./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrlen_diffterm_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/cstrlen_diffterm_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 4a8b6acf5c3e1a62f919c5785e272fd1a6b568e6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:39:28,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:39:28,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:39:28,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:39:28,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:39:28,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:39:28,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:39:28,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:39:28,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:39:28,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:39:28,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:39:28,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:39:28,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:39:28,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:39:28,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:39:28,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:39:28,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:39:28,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:39:28,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:39:28,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:39:28,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:39:28,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:39:28,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:39:28,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:39:28,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:39:28,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:39:28,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:39:28,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:39:28,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:39:28,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:39:28,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:39:28,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:39:28,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:39:28,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:39:28,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:39:28,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:39:28,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:39:28,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:39:28,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:39:28,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:39:28,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:39:28,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:39:28,287 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:39:28,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:39:28,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:39:28,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:39:28,289 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:39:28,289 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:39:28,289 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:39:28,289 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:39:28,290 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:39:28,290 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:39:28,290 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:39:28,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:39:28,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:39:28,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:39:28,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:39:28,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:39:28,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:39:28,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:39:28,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:39:28,294 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:39:28,295 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:39:28,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:39:28,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:39:28,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:39:28,296 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:39:28,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:39:28,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:39:28,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:39:28,298 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:39:28,299 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:39:28,300 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 -> 4a8b6acf5c3e1a62f919c5785e272fd1a6b568e6 [2020-07-29 01:39:28,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:39:28,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:39:28,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:39:28,657 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:39:28,658 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:39:28,659 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrlen_diffterm_alloca.i [2020-07-29 01:39:28,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6125b5a9/4b4cc2a6374c4c18b3a73900a1ee9e49/FLAG93a012ed1 [2020-07-29 01:39:29,305 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:39:29,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrlen_diffterm_alloca.i [2020-07-29 01:39:29,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6125b5a9/4b4cc2a6374c4c18b3a73900a1ee9e49/FLAG93a012ed1 [2020-07-29 01:39:29,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6125b5a9/4b4cc2a6374c4c18b3a73900a1ee9e49 [2020-07-29 01:39:29,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:39:29,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:39:29,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:29,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:39:29,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:39:29,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:29" (1/1) ... [2020-07-29 01:39:29,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5f70b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:29, skipping insertion in model container [2020-07-29 01:39:29,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:29" (1/1) ... [2020-07-29 01:39:29,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:39:29,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:39:30,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:30,018 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:39:30,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:30,132 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:39:30,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30 WrapperNode [2020-07-29 01:39:30,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:30,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:30,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:39:30,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:39:30,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30" (1/1) ... [2020-07-29 01:39:30,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30" (1/1) ... [2020-07-29 01:39:30,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:30,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:39:30,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:39:30,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:39:30,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30" (1/1) ... [2020-07-29 01:39:30,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30" (1/1) ... [2020-07-29 01:39:30,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30" (1/1) ... [2020-07-29 01:39:30,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30" (1/1) ... [2020-07-29 01:39:30,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30" (1/1) ... [2020-07-29 01:39:30,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30" (1/1) ... [2020-07-29 01:39:30,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30" (1/1) ... [2020-07-29 01:39:30,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:39:30,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:39:30,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:39:30,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:39:30,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30" (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 01:39:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:39:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:39:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:39:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:39:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:39:30,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:39:30,642 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:39:30,642 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:39:30,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:30 BoogieIcfgContainer [2020-07-29 01:39:30,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:39:30,648 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:39:30,648 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:39:30,652 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:39:30,654 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:30,654 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:39:29" (1/3) ... [2020-07-29 01:39:30,655 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@217e65dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:30, skipping insertion in model container [2020-07-29 01:39:30,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:30,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:30" (2/3) ... [2020-07-29 01:39:30,656 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@217e65dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:30, skipping insertion in model container [2020-07-29 01:39:30,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:30,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:30" (3/3) ... [2020-07-29 01:39:30,659 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrlen_diffterm_alloca.i [2020-07-29 01:39:30,741 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:39:30,742 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:39:30,742 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:39:30,743 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:39:30,743 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:39:30,743 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:39:30,744 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:39:30,744 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:39:30,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 01:39:30,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:30,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:30,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:30,808 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:39:30,809 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:39:30,809 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:39:30,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 01:39:30,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:30,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:30,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:30,817 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:39:30,817 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:39:30,827 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet207, main_#t~malloc208.base, main_#t~malloc208.offset, main_#t~ret209, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet207;havoc main_#t~nondet207; 12#L373true assume !(main_~length1~0 < 1); 6#L373-2true call main_#t~malloc208.base, main_#t~malloc208.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc208.base, main_#t~malloc208.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrlen_#in~s.base, cstrlen_#in~s.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrlen_#res;havoc cstrlen_#t~post206.base, cstrlen_#t~post206.offset, cstrlen_#t~mem205, cstrlen_~s.base, cstrlen_~s.offset, cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~s.base, cstrlen_~s.offset := cstrlen_#in~s.base, cstrlen_#in~s.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_~s.base, cstrlen_~s.offset; 7#L367-3true [2020-07-29 01:39:30,828 INFO L796 eck$LassoCheckResult]: Loop: 7#L367-3true call cstrlen_#t~mem205 := read~int(cstrlen_~p~0.base, cstrlen_~p~0.offset, 1); 4#L367-1true assume !!(49 != cstrlen_#t~mem205);havoc cstrlen_#t~mem205;cstrlen_#t~post206.base, cstrlen_#t~post206.offset := cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_#t~post206.base, 1 + cstrlen_#t~post206.offset;havoc cstrlen_#t~post206.base, cstrlen_#t~post206.offset; 7#L367-3true [2020-07-29 01:39:30,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:30,840 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-07-29 01:39:30,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:30,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861610744] [2020-07-29 01:39:30,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:31,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:31,024 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:31,049 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:31,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:31,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1414, now seen corresponding path program 1 times [2020-07-29 01:39:31,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:31,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753037866] [2020-07-29 01:39:31,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:31,060 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:31,066 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:31,069 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:31,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:31,072 INFO L82 PathProgramCache]: Analyzing trace with hash 889568362, now seen corresponding path program 1 times [2020-07-29 01:39:31,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:31,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041751006] [2020-07-29 01:39:31,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:31,102 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:31,122 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:31,128 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:31,460 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2020-07-29 01:39:31,599 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-29 01:39:31,613 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:39:31,614 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:39:31,614 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:39:31,614 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:39:31,615 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:39:31,615 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:31,615 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:39:31,616 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:39:31,616 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen_diffterm_alloca.i_Iteration1_Lasso [2020-07-29 01:39:31,616 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:39:31,617 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:39:31,670 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 01:39:31,692 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 01:39:31,707 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 01:39:31,713 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 01:39:31,720 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 01:39:31,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:31,923 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-07-29 01:39:32,027 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 01:39:32,032 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 01:39:32,040 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 01:39:32,045 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 01:39:32,745 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:39:32,753 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 01:39:32,759 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 01:39:32,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:32,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:32,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:32,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:32,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:32,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:32,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:32,771 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 01:39:32,815 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 01:39:32,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:32,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:32,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:32,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:32,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:32,828 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 01:39:32,836 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) [2020-07-29 01:39:32,885 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 01:39:32,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:32,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:32,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:32,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:32,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:32,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:32,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:32,893 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) [2020-07-29 01:39:32,935 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 01:39:32,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:32,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:32,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:32,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:32,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:32,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:32,948 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) [2020-07-29 01:39:32,987 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 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:32,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:32,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:32,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:32,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:32,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:32,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:32,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:32,995 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 01:39:33,019 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 01:39:33,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:33,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:33,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:33,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:33,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:33,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:33,055 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 01:39:33,089 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 01:39:33,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:33,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:33,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:33,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:33,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:33,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:33,099 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 01:39:33,136 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 01:39:33,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:33,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:33,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:33,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:33,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:33,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:33,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:39:33,207 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-07-29 01:39:33,208 INFO L444 ModelExtractionUtils]: 18 out of 28 variables were initially zero. Simplification set additionally 7 variables to zero. 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 01:39:33,213 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:33,218 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 01:39:33,219 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:39:33,220 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~p~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc208.base)_1) = -1*ULTIMATE.start_cstrlen_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc208.base)_1 Supporting invariants [] [2020-07-29 01:39:33,343 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-07-29 01:39:33,355 INFO L393 LassoCheck]: Loop: "call cstrlen_#t~mem205 := read~int(cstrlen_~p~0.base, cstrlen_~p~0.offset, 1);" "assume !!(49 != cstrlen_#t~mem205);havoc cstrlen_#t~mem205;cstrlen_#t~post206.base, cstrlen_#t~post206.offset := cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_#t~post206.base, 1 + cstrlen_#t~post206.offset;havoc cstrlen_#t~post206.base, cstrlen_#t~post206.offset;" [2020-07-29 01:39:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:33,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 01:39:33,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:33,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-29 01:39:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:33,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:33,489 INFO L280 TraceCheckUtils]: 0: Hoare triple {21#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {21#unseeded} is VALID [2020-07-29 01:39:33,490 INFO L280 TraceCheckUtils]: 1: Hoare triple {21#unseeded} havoc main_#res;havoc main_#t~nondet207, main_#t~malloc208.base, main_#t~malloc208.offset, main_#t~ret209, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet207;havoc main_#t~nondet207; {21#unseeded} is VALID [2020-07-29 01:39:33,491 INFO L280 TraceCheckUtils]: 2: Hoare triple {21#unseeded} assume !(main_~length1~0 < 1); {21#unseeded} is VALID [2020-07-29 01:39:33,492 INFO L280 TraceCheckUtils]: 3: Hoare triple {21#unseeded} call main_#t~malloc208.base, main_#t~malloc208.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc208.base, main_#t~malloc208.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrlen_#in~s.base, cstrlen_#in~s.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrlen_#res;havoc cstrlen_#t~post206.base, cstrlen_#t~post206.offset, cstrlen_#t~mem205, cstrlen_~s.base, cstrlen_~s.offset, cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~s.base, cstrlen_~s.offset := cstrlen_#in~s.base, cstrlen_#in~s.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_~s.base, cstrlen_~s.offset; {55#(and (= |ULTIMATE.start_main_#t~malloc208.base| ULTIMATE.start_cstrlen_~p~0.base) unseeded)} is VALID [2020-07-29 01:39:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:33,500 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-29 01:39:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:33,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:33,545 INFO L280 TraceCheckUtils]: 0: Hoare triple {56#(and (>= oldRank0 (+ (* (- 1) ULTIMATE.start_cstrlen_~p~0.offset) (select |#length| |ULTIMATE.start_main_#t~malloc208.base|))) (= |ULTIMATE.start_main_#t~malloc208.base| ULTIMATE.start_cstrlen_~p~0.base))} call cstrlen_#t~mem205 := read~int(cstrlen_~p~0.base, cstrlen_~p~0.offset, 1); {73#(and (= |ULTIMATE.start_main_#t~malloc208.base| ULTIMATE.start_cstrlen_~p~0.base) (<= (select |#length| |ULTIMATE.start_main_#t~malloc208.base|) (+ ULTIMATE.start_cstrlen_~p~0.offset oldRank0)) (<= (+ ULTIMATE.start_cstrlen_~p~0.offset 1) (select |#length| ULTIMATE.start_cstrlen_~p~0.base)))} is VALID [2020-07-29 01:39:33,547 INFO L280 TraceCheckUtils]: 1: Hoare triple {73#(and (= |ULTIMATE.start_main_#t~malloc208.base| ULTIMATE.start_cstrlen_~p~0.base) (<= (select |#length| |ULTIMATE.start_main_#t~malloc208.base|) (+ ULTIMATE.start_cstrlen_~p~0.offset oldRank0)) (<= (+ ULTIMATE.start_cstrlen_~p~0.offset 1) (select |#length| ULTIMATE.start_cstrlen_~p~0.base)))} assume !!(49 != cstrlen_#t~mem205);havoc cstrlen_#t~mem205;cstrlen_#t~post206.base, cstrlen_#t~post206.offset := cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_#t~post206.base, 1 + cstrlen_#t~post206.offset;havoc cstrlen_#t~post206.base, cstrlen_#t~post206.offset; {58#(and (= |ULTIMATE.start_main_#t~malloc208.base| ULTIMATE.start_cstrlen_~p~0.base) (or (and (> oldRank0 (+ (* (- 1) ULTIMATE.start_cstrlen_~p~0.offset) (select |#length| |ULTIMATE.start_main_#t~malloc208.base|))) (>= oldRank0 0)) unseeded))} is VALID [2020-07-29 01:39:33,547 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 01:39:33,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:39:33,578 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:39:33,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:39:33,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,590 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 01:39:33,592 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2020-07-29 01:39:33,696 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 20 states and 23 transitions. Complement of second has 6 states. [2020-07-29 01:39:33,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:39:33,697 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:33,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 01:39:33,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:33,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:33,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:33,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:39:33,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:39:33,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:33,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:33,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2020-07-29 01:39:33,706 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:33,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:33,708 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 11 states. [2020-07-29 01:39:33,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:39:33,710 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:39:33,711 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:39:33,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:39:33,713 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:39:33,713 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 20 states and 23 transitions. cyclomatic complexity: 4 [2020-07-29 01:39:33,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. cyclomatic complexity: 4 [2020-07-29 01:39:33,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:33,714 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:39:33,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:39:33,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:39:33,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:39:33,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:33,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:33,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:33,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 20 letters. Loop has 20 letters. [2020-07-29 01:39:33,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 20 letters. Loop has 20 letters. [2020-07-29 01:39:33,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 20 letters. Loop has 20 letters. [2020-07-29 01:39:33,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 11 letters. Loop has 11 letters. [2020-07-29 01:39:33,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 11 letters. Loop has 11 letters. [2020-07-29 01:39:33,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 11 letters. Loop has 11 letters. [2020-07-29 01:39:33,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:33,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:33,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:33,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:33,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:33,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 5 letters. Loop has 2 letters. [2020-07-29 01:39:33,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:39:33,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:39:33,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:39:33,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:33,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:33,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:39:33,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:33,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:33,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:39:33,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,723 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:39:33,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2020-07-29 01:39:33,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:39:33,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:33,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:39:33,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:33,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. cyclomatic complexity: 4 [2020-07-29 01:39:33,731 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:33,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2020-07-29 01:39:33,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:39:33,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:39:33,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:39:33,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:39:33,738 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:33,738 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:33,738 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:33,738 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:39:33,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:39:33,739 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:33,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:33,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:39:33 BoogieIcfgContainer [2020-07-29 01:39:33,746 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:39:33,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:39:33,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:39:33,747 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:39:33,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:30" (3/4) ... [2020-07-29 01:39:33,751 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:39:33,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:39:33,754 INFO L168 Benchmark]: Toolchain (without parser) took 4252.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.5 MB). Free memory was 956.2 MB in the beginning and 1.2 GB in the end (delta: -207.3 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:33,755 INFO L168 Benchmark]: CDTParser took 0.37 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 01:39:33,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:33,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.24 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:33,757 INFO L168 Benchmark]: Boogie Preprocessor took 34.00 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 01:39:33,758 INFO L168 Benchmark]: RCFGBuilder took 417.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:33,759 INFO L168 Benchmark]: BuchiAutomizer took 3098.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:33,759 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:33,763 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 0.37 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 629.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.24 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.00 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 417.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3098.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. 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: 6 SDtfs, 8 SDslu, 1 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital113 mio100 ax100 hnf99 lsp94 ukn91 mio100 lsp46 div100 bol100 ite100 ukn100 eq193 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms 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...