./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strdup.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-dietlibc/strdup.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 eb36eb172eada83da57fd9fdc6a0c3dfe0bc61fe ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:36:58,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:36:58,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:36:58,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:36:58,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:36:58,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:36:58,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:36:58,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:36:58,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:36:58,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:36:58,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:36:58,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:36:58,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:36:58,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:36:58,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:36:58,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:36:58,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:36:58,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:36:58,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:36:58,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:36:58,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:36:58,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:36:58,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:36:58,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:36:58,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:36:58,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:36:58,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:36:58,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:36:58,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:36:58,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:36:58,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:36:58,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:36:58,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:36:58,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:36:58,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:36:58,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:36:58,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:36:58,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:36:58,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:36:58,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:36:58,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:36:58,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:36:58,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:36:58,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:36:58,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:36:58,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:36:58,235 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:36:58,235 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:36:58,235 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:36:58,235 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:36:58,235 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:36:58,235 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:36:58,236 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:36:58,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:36:58,237 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:36:58,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:36:58,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:36:58,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:36:58,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:36:58,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:36:58,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:36:58,239 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:36:58,240 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:36:58,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:36:58,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:36:58,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:36:58,241 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:36:58,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:36:58,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:36:58,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:36:58,242 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:36:58,243 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:36:58,243 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 -> eb36eb172eada83da57fd9fdc6a0c3dfe0bc61fe [2020-10-20 06:36:58,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:36:58,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:36:58,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:36:58,529 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:36:58,532 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:36:58,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strdup.i [2020-10-20 06:36:58,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5800b9f9/9a68037b1da046a285bd26281eef3d82/FLAGa87f5fc05 [2020-10-20 06:36:59,216 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:36:59,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strdup.i [2020-10-20 06:36:59,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5800b9f9/9a68037b1da046a285bd26281eef3d82/FLAGa87f5fc05 [2020-10-20 06:36:59,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5800b9f9/9a68037b1da046a285bd26281eef3d82 [2020-10-20 06:36:59,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:36:59,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:36:59,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:36:59,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:36:59,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:36:59,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:59" (1/1) ... [2020-10-20 06:36:59,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b180d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:59, skipping insertion in model container [2020-10-20 06:36:59,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:59" (1/1) ... [2020-10-20 06:36:59,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:36:59,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:36:59,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:36:59,914 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:36:59,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:37:00,018 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:37:00,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00 WrapperNode [2020-10-20 06:37:00,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:37:00,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:37:00,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:37:00,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:37:00,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:37:00,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:37:00,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:37:00,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:37:00,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:37:00,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:37:00,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:37:00,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:37:00,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:37:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:37:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:37:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:37:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:37:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:37:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:37:00,518 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:37:00,519 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-20 06:37:00,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:37:00 BoogieIcfgContainer [2020-10-20 06:37:00,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:37:00,522 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:37:00,522 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:37:00,529 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:37:00,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:37:00,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:36:59" (1/3) ... [2020-10-20 06:37:00,532 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e2bc6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:37:00, skipping insertion in model container [2020-10-20 06:37:00,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:37:00,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (2/3) ... [2020-10-20 06:37:00,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e2bc6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:37:00, skipping insertion in model container [2020-10-20 06:37:00,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:37:00,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:37:00" (3/3) ... [2020-10-20 06:37:00,536 INFO L373 chiAutomizerObserver]: Analyzing ICFG strdup.i [2020-10-20 06:37:00,585 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:37:00,585 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:37:00,585 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:37:00,585 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:37:00,586 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:37:00,586 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:37:00,586 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:37:00,586 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:37:00,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-10-20 06:37:00,620 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-20 06:37:00,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:00,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:00,628 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 06:37:00,628 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:37:00,628 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:37:00,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-10-20 06:37:00,630 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-20 06:37:00,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:00,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:00,631 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 06:37:00,631 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:37:00,649 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 19#L528true assume !(main_~in_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);strdup_#in~s.base, strdup_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc strdup_#res.base, strdup_#res.offset;havoc strdup_#t~ret9, strdup_#t~malloc10.base, strdup_#t~malloc10.offset, strdup_#t~ret11.base, strdup_#t~ret11.offset, strdup_~s.base, strdup_~s.offset, strdup_~l~0, strdup_~tmp~0.base, strdup_~tmp~0.offset;strdup_~s.base, strdup_~s.offset := strdup_#in~s.base, strdup_#in~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strdup_~s.base, strdup_~s.offset;havoc strlen_#res;havoc strlen_#t~pre7, strlen_#t~pre6.base, strlen_#t~pre6.offset, strlen_#t~mem8, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 3#L516true assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 7#L517-4true [2020-10-20 06:37:00,649 INFO L796 eck$LassoCheckResult]: Loop: 7#L517-4true call strlen_#t~mem8 := read~int(strlen_~s.base, strlen_~s.offset, 1); 4#L517-1true assume !!(0 != strlen_#t~mem8);havoc strlen_#t~mem8;strlen_#t~pre7 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre7; 5#L517-3true strlen_#t~pre6.base, strlen_#t~pre6.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre6.base, strlen_#t~pre6.offset; 7#L517-4true [2020-10-20 06:37:00,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:00,657 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-10-20 06:37:00,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:00,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004285768] [2020-10-20 06:37:00,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:00,780 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:00,799 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:00,826 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:00,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:00,827 INFO L82 PathProgramCache]: Analyzing trace with hash 45841, now seen corresponding path program 1 times [2020-10-20 06:37:00,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:00,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891052023] [2020-10-20 06:37:00,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:00,837 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:00,844 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:00,847 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:00,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:00,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1806906826, now seen corresponding path program 1 times [2020-10-20 06:37:00,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:00,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041523410] [2020-10-20 06:37:00,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:00,877 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:00,905 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:00,923 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:01,226 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2020-10-20 06:37:01,329 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:01,331 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:01,332 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:01,332 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:01,332 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:01,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:01,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:01,334 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:01,334 INFO L133 ssoRankerPreferences]: Filename of dumped script: strdup.i_Iteration1_Lasso [2020-10-20 06:37:01,334 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:01,335 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:01,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,620 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-20 06:37:01,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:01,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,107 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:02,115 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) [2020-10-20 06:37:02,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,132 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 [2020-10-20 06:37:02,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,235 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:02,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:02,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,509 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:02,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:02,548 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:02,591 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:02,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:02,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,826 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 [2020-10-20 06:37:02,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,831 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:02,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:02,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,883 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:37:02,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,884 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:37:02,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:02,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:02,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:02,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:02,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:02,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:02,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:02,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:02,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:02,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:02,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:03,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:03,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:03,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:03,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:03,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:03,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:03,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:03,037 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:03,081 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-20 06:37:03,082 INFO L444 ModelExtractionUtils]: 8 out of 31 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:03,092 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:03,098 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:37:03,099 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:03,100 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlen_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1) = -1*ULTIMATE.start_strlen_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1 Supporting invariants [] [2020-10-20 06:37:03,255 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-10-20 06:37:03,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:37:03,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:03,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:37:03,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:03,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:37:03,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:03,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:03,381 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 06:37:03,382 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 4 states. [2020-10-20 06:37:03,471 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 4 states. Result 45 states and 57 transitions. Complement of second has 7 states. [2020-10-20 06:37:03,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:03,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:37:03,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2020-10-20 06:37:03,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 3 letters. [2020-10-20 06:37:03,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:03,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 7 letters. Loop has 3 letters. [2020-10-20 06:37:03,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:03,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 6 letters. [2020-10-20 06:37:03,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:03,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2020-10-20 06:37:03,485 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-20 06:37:03,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 18 states and 21 transitions. [2020-10-20 06:37:03,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-10-20 06:37:03,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-10-20 06:37:03,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2020-10-20 06:37:03,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:37:03,494 INFO L691 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-10-20 06:37:03,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2020-10-20 06:37:03,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2020-10-20 06:37:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-20 06:37:03,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2020-10-20 06:37:03,528 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-10-20 06:37:03,528 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-10-20 06:37:03,528 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:37:03,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2020-10-20 06:37:03,529 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:37:03,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:03,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:03,530 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:37:03,531 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:37:03,531 INFO L794 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 136#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 137#L528 assume !(main_~in_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);strdup_#in~s.base, strdup_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc strdup_#res.base, strdup_#res.offset;havoc strdup_#t~ret9, strdup_#t~malloc10.base, strdup_#t~malloc10.offset, strdup_#t~ret11.base, strdup_#t~ret11.offset, strdup_~s.base, strdup_~s.offset, strdup_~l~0, strdup_~tmp~0.base, strdup_~tmp~0.offset;strdup_~s.base, strdup_~s.offset := strdup_#in~s.base, strdup_#in~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strdup_~s.base, strdup_~s.offset;havoc strlen_#res;havoc strlen_#t~pre7, strlen_#t~pre6.base, strlen_#t~pre6.offset, strlen_#t~mem8, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 138#L516 assume strlen_~s.base == 0 && strlen_~s.offset == 0;strlen_#res := 0; 139#L518 strdup_#t~ret9 := strlen_#res;strdup_~l~0 := 1 + strdup_#t~ret9;havoc strdup_#t~ret9;call strdup_#t~malloc10.base, strdup_#t~malloc10.offset := #Ultimate.allocOnHeap(strdup_~l~0);strdup_~tmp~0.base, strdup_~tmp~0.offset := strdup_#t~malloc10.base, strdup_#t~malloc10.offset; 145#L523 assume !(strdup_~tmp~0.base == 0 && strdup_~tmp~0.offset == 0);memcpy_#in~dst.base, memcpy_#in~dst.offset, memcpy_#in~src.base, memcpy_#in~src.offset, memcpy_#in~n := strdup_~tmp~0.base, strdup_~tmp~0.offset, strdup_~s.base, strdup_~s.offset, strdup_~l~0;havoc memcpy_#res.base, memcpy_#res.offset;havoc memcpy_#t~post3.base, memcpy_#t~post3.offset, memcpy_#t~post4.base, memcpy_#t~post4.offset, memcpy_#t~mem5, memcpy_#t~post2, memcpy_~dst.base, memcpy_~dst.offset, memcpy_~src.base, memcpy_~src.offset, memcpy_~n, memcpy_~res~0.base, memcpy_~res~0.offset, memcpy_~c1~0.base, memcpy_~c1~0.offset, memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~dst.base, memcpy_~dst.offset := memcpy_#in~dst.base, memcpy_#in~dst.offset;memcpy_~src.base, memcpy_~src.offset := memcpy_#in~src.base, memcpy_#in~src.offset;memcpy_~n := memcpy_#in~n;memcpy_~res~0.base, memcpy_~res~0.offset := memcpy_~dst.base, memcpy_~dst.offset;havoc memcpy_~c1~0.base, memcpy_~c1~0.offset;havoc memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~c1~0.base, memcpy_~c1~0.offset := memcpy_~dst.base, memcpy_~dst.offset;memcpy_~c2~0.base, memcpy_~c2~0.offset := memcpy_~src.base, memcpy_~src.offset; 142#L511-3 [2020-10-20 06:37:03,532 INFO L796 eck$LassoCheckResult]: Loop: 142#L511-3 memcpy_#t~post2 := memcpy_~n;memcpy_~n := memcpy_#t~post2 - 1; 141#L511-1 assume !!(0 != memcpy_#t~post2 % 4294967296);havoc memcpy_#t~post2;memcpy_#t~post3.base, memcpy_#t~post3.offset := memcpy_~c1~0.base, memcpy_~c1~0.offset;memcpy_~c1~0.base, memcpy_~c1~0.offset := memcpy_#t~post3.base, 1 + memcpy_#t~post3.offset;memcpy_#t~post4.base, memcpy_#t~post4.offset := memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~c2~0.base, memcpy_~c2~0.offset := memcpy_#t~post4.base, 1 + memcpy_#t~post4.offset;call memcpy_#t~mem5 := read~int(memcpy_#t~post4.base, memcpy_#t~post4.offset, 1);call write~int(memcpy_#t~mem5, memcpy_#t~post3.base, memcpy_#t~post3.offset, 1);havoc memcpy_#t~post3.base, memcpy_#t~post3.offset;havoc memcpy_#t~mem5;havoc memcpy_#t~post4.base, memcpy_#t~post4.offset; 142#L511-3 [2020-10-20 06:37:03,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:03,532 INFO L82 PathProgramCache]: Analyzing trace with hash 889569803, now seen corresponding path program 1 times [2020-10-20 06:37:03,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:03,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098880609] [2020-10-20 06:37:03,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:03,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098880609] [2020-10-20 06:37:03,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:37:03,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:37:03,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109268201] [2020-10-20 06:37:03,659 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 06:37:03,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:03,660 INFO L82 PathProgramCache]: Analyzing trace with hash 2214, now seen corresponding path program 1 times [2020-10-20 06:37:03,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:03,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341764766] [2020-10-20 06:37:03,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:03,686 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:03,703 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:03,706 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:03,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:37:03,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:37:03,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:37:03,815 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-10-20 06:37:03,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:37:03,831 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-10-20 06:37:03,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:37:03,832 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2020-10-20 06:37:03,833 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:37:03,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 16 transitions. [2020-10-20 06:37:03,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-10-20 06:37:03,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-10-20 06:37:03,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2020-10-20 06:37:03,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:37:03,836 INFO L691 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-10-20 06:37:03,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2020-10-20 06:37:03,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-20 06:37:03,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-20 06:37:03,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2020-10-20 06:37:03,838 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-10-20 06:37:03,838 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-10-20 06:37:03,838 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:37:03,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2020-10-20 06:37:03,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:37:03,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:03,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:03,842 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:37:03,842 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:37:03,842 INFO L794 eck$LassoCheckResult]: Stem: 176#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 166#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 167#L528 assume !(main_~in_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);strdup_#in~s.base, strdup_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc strdup_#res.base, strdup_#res.offset;havoc strdup_#t~ret9, strdup_#t~malloc10.base, strdup_#t~malloc10.offset, strdup_#t~ret11.base, strdup_#t~ret11.offset, strdup_~s.base, strdup_~s.offset, strdup_~l~0, strdup_~tmp~0.base, strdup_~tmp~0.offset;strdup_~s.base, strdup_~s.offset := strdup_#in~s.base, strdup_#in~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strdup_~s.base, strdup_~s.offset;havoc strlen_#res;havoc strlen_#t~pre7, strlen_#t~pre6.base, strlen_#t~pre6.offset, strlen_#t~mem8, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 168#L516 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 169#L517-4 call strlen_#t~mem8 := read~int(strlen_~s.base, strlen_~s.offset, 1); 170#L517-1 assume !(0 != strlen_#t~mem8);havoc strlen_#t~mem8; 171#L517-5 strlen_#res := strlen_~i~0; 178#L518 strdup_#t~ret9 := strlen_#res;strdup_~l~0 := 1 + strdup_#t~ret9;havoc strdup_#t~ret9;call strdup_#t~malloc10.base, strdup_#t~malloc10.offset := #Ultimate.allocOnHeap(strdup_~l~0);strdup_~tmp~0.base, strdup_~tmp~0.offset := strdup_#t~malloc10.base, strdup_#t~malloc10.offset; 179#L523 assume !(strdup_~tmp~0.base == 0 && strdup_~tmp~0.offset == 0);memcpy_#in~dst.base, memcpy_#in~dst.offset, memcpy_#in~src.base, memcpy_#in~src.offset, memcpy_#in~n := strdup_~tmp~0.base, strdup_~tmp~0.offset, strdup_~s.base, strdup_~s.offset, strdup_~l~0;havoc memcpy_#res.base, memcpy_#res.offset;havoc memcpy_#t~post3.base, memcpy_#t~post3.offset, memcpy_#t~post4.base, memcpy_#t~post4.offset, memcpy_#t~mem5, memcpy_#t~post2, memcpy_~dst.base, memcpy_~dst.offset, memcpy_~src.base, memcpy_~src.offset, memcpy_~n, memcpy_~res~0.base, memcpy_~res~0.offset, memcpy_~c1~0.base, memcpy_~c1~0.offset, memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~dst.base, memcpy_~dst.offset := memcpy_#in~dst.base, memcpy_#in~dst.offset;memcpy_~src.base, memcpy_~src.offset := memcpy_#in~src.base, memcpy_#in~src.offset;memcpy_~n := memcpy_#in~n;memcpy_~res~0.base, memcpy_~res~0.offset := memcpy_~dst.base, memcpy_~dst.offset;havoc memcpy_~c1~0.base, memcpy_~c1~0.offset;havoc memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~c1~0.base, memcpy_~c1~0.offset := memcpy_~dst.base, memcpy_~dst.offset;memcpy_~c2~0.base, memcpy_~c2~0.offset := memcpy_~src.base, memcpy_~src.offset; 175#L511-3 [2020-10-20 06:37:03,842 INFO L796 eck$LassoCheckResult]: Loop: 175#L511-3 memcpy_#t~post2 := memcpy_~n;memcpy_~n := memcpy_#t~post2 - 1; 174#L511-1 assume !!(0 != memcpy_#t~post2 % 4294967296);havoc memcpy_#t~post2;memcpy_#t~post3.base, memcpy_#t~post3.offset := memcpy_~c1~0.base, memcpy_~c1~0.offset;memcpy_~c1~0.base, memcpy_~c1~0.offset := memcpy_#t~post3.base, 1 + memcpy_#t~post3.offset;memcpy_#t~post4.base, memcpy_#t~post4.offset := memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~c2~0.base, memcpy_~c2~0.offset := memcpy_#t~post4.base, 1 + memcpy_#t~post4.offset;call memcpy_#t~mem5 := read~int(memcpy_#t~post4.base, memcpy_#t~post4.offset, 1);call write~int(memcpy_#t~mem5, memcpy_#t~post3.base, memcpy_#t~post3.offset, 1);havoc memcpy_#t~post3.base, memcpy_#t~post3.offset;havoc memcpy_#t~mem5;havoc memcpy_#t~post4.base, memcpy_#t~post4.offset; 175#L511-3 [2020-10-20 06:37:03,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:03,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1270617397, now seen corresponding path program 1 times [2020-10-20 06:37:03,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:03,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531735187] [2020-10-20 06:37:03,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:03,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:03,905 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:03,913 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:03,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:03,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2214, now seen corresponding path program 2 times [2020-10-20 06:37:03,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:03,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452458367] [2020-10-20 06:37:03,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:03,935 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:03,949 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:03,955 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:03,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:03,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1292607706, now seen corresponding path program 1 times [2020-10-20 06:37:03,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:03,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713335287] [2020-10-20 06:37:03,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:03,978 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:03,996 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:04,002 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:04,635 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 122 [2020-10-20 06:37:04,831 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-20 06:37:04,835 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:04,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:04,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:04,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:04,836 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:04,836 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,836 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:04,836 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:04,836 INFO L133 ssoRankerPreferences]: Filename of dumped script: strdup.i_Iteration3_Lasso [2020-10-20 06:37:04,836 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:04,836 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:04,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:04,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:04,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:04,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:04,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:04,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:04,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:04,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:04,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:04,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,427 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2020-10-20 06:37:05,647 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2020-10-20 06:37:05,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,906 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-20 06:37:06,112 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-10-20 06:37:06,511 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-20 06:37:07,071 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2020-10-20 06:37:07,149 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:07,149 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:07,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,261 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:07,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:07,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,365 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 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,392 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 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,418 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:07,442 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:07,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:07,453 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:07,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,480 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 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:07,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:07,599 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:07,669 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2020-10-20 06:37:07,669 INFO L444 ModelExtractionUtils]: 54 out of 76 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:07,674 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,681 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:37:07,682 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:07,682 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_memcpy_~c2~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2) = -1*ULTIMATE.start_memcpy_~c2~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 Supporting invariants [] [2020-10-20 06:37:07,783 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2020-10-20 06:37:07,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:37:07,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:07,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 06:37:07,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:07,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:37:07,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:07,880 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2020-10-20 06:37:07,880 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand 4 states. [2020-10-20 06:37:07,920 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 16 states and 19 transitions. Complement of second has 5 states. [2020-10-20 06:37:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:07,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:37:07,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2020-10-20 06:37:07,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2020-10-20 06:37:07,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:07,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2020-10-20 06:37:07,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:07,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2020-10-20 06:37:07,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:07,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2020-10-20 06:37:07,924 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:37:07,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2020-10-20 06:37:07,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:37:07,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:37:07,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:37:07,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:37:07,925 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:07,925 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:07,925 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:07,925 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 06:37:07,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:37:07,928 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:37:07,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:37:07,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:37:07 BoogieIcfgContainer [2020-10-20 06:37:07,937 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:37:07,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:37:07,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:37:07,938 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:37:07,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:37:00" (3/4) ... [2020-10-20 06:37:07,959 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:37:07,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:37:07,962 INFO L168 Benchmark]: Toolchain (without parser) took 8536.41 ms. Allocated memory was 44.0 MB in the beginning and 97.5 MB in the end (delta: 53.5 MB). Free memory was 25.6 MB in the beginning and 32.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 46.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:07,963 INFO L168 Benchmark]: CDTParser took 1.10 ms. Allocated memory is still 32.5 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 06:37:07,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.37 ms. Allocated memory was 44.0 MB in the beginning and 47.7 MB in the end (delta: 3.7 MB). Free memory was 24.7 MB in the beginning and 18.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:07,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.75 ms. Allocated memory is still 47.7 MB. Free memory was 18.4 MB in the beginning and 16.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:07,969 INFO L168 Benchmark]: Boogie Preprocessor took 30.03 ms. Allocated memory is still 47.7 MB. Free memory was 16.3 MB in the beginning and 14.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:07,970 INFO L168 Benchmark]: RCFGBuilder took 423.97 ms. Allocated memory is still 47.7 MB. Free memory was 14.7 MB in the beginning and 17.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:07,971 INFO L168 Benchmark]: BuchiAutomizer took 7415.58 ms. Allocated memory was 47.7 MB in the beginning and 97.5 MB in the end (delta: 49.8 MB). Free memory was 17.1 MB in the beginning and 33.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 33.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:07,973 INFO L168 Benchmark]: Witness Printer took 21.44 ms. Allocated memory is still 97.5 MB. Free memory was 33.6 MB in the beginning and 32.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:07,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10 ms. Allocated memory is still 32.5 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 589.37 ms. Allocated memory was 44.0 MB in the beginning and 47.7 MB in the end (delta: 3.7 MB). Free memory was 24.7 MB in the beginning and 18.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 45.75 ms. Allocated memory is still 47.7 MB. Free memory was 18.4 MB in the beginning and 16.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 30.03 ms. Allocated memory is still 47.7 MB. Free memory was 16.3 MB in the beginning and 14.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 423.97 ms. Allocated memory is still 47.7 MB. Free memory was 14.7 MB in the beginning and 17.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 7415.58 ms. Allocated memory was 47.7 MB in the beginning and 97.5 MB in the end (delta: 49.8 MB). Free memory was 17.1 MB in the beginning and 33.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 33.3 MB. Max. memory is 14.3 GB. * Witness Printer took 21.44 ms. Allocated memory is still 97.5 MB. Free memory was 33.6 MB in the beginning and 32.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. One deterministic module has affine ranking function -1 * c2 + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. 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 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 38 SDtfs, 41 SDslu, 11 SDs, 0 SdLazy, 17 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital196 mio100 ax100 hnf100 lsp93 ukn95 mio100 lsp50 div113 bol100 ite100 ukn100 eq193 hnf80 smp98 dnf100 smp100 tf100 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...