./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.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 6d213bb73df5e8110170d83073afe858aea401c0 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:02:12,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:02:12,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:02:12,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:02:12,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:02:12,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:02:12,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:02:12,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:02:12,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:02:12,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:02:12,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:02:12,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:02:12,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:02:12,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:02:12,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:02:12,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:02:12,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:02:12,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:02:12,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:02:12,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:02:12,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:02:12,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:02:12,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:02:12,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:02:12,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:02:12,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:02:12,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:02:12,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:02:12,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:02:12,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:02:12,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:02:12,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:02:12,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:02:12,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:02:12,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:02:12,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:02:12,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:02:12,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:02:12,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:02:12,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:02:12,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:02:12,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:02:12,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:02:12,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:02:12,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:02:12,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:02:12,263 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:02:12,263 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:02:12,264 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:02:12,264 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:02:12,264 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:02:12,264 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:02:12,264 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:02:12,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:02:12,265 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:02:12,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:02:12,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:02:12,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:02:12,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:02:12,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:02:12,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:02:12,266 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:02:12,267 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:02:12,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:02:12,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:02:12,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:02:12,267 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:02:12,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:02:12,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:02:12,268 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:02:12,269 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:02:12,269 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 -> 6d213bb73df5e8110170d83073afe858aea401c0 [2019-11-28 03:02:12,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:02:12,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:02:12,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:02:12,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:02:12,597 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:02:12,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2019-11-28 03:02:12,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d2c7117/6c329452e4cd4a2ea4e9cea072dcecf0/FLAG451db0244 [2019-11-28 03:02:13,237 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:02:13,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2019-11-28 03:02:13,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d2c7117/6c329452e4cd4a2ea4e9cea072dcecf0/FLAG451db0244 [2019-11-28 03:02:13,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d2c7117/6c329452e4cd4a2ea4e9cea072dcecf0 [2019-11-28 03:02:13,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:02:13,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:02:13,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:02:13,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:02:13,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:02:13,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:13" (1/1) ... [2019-11-28 03:02:13,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f2a298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:13, skipping insertion in model container [2019-11-28 03:02:13,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:13" (1/1) ... [2019-11-28 03:02:13,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:02:13,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:02:14,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:02:14,040 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:02:14,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:02:14,148 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:02:14,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14 WrapperNode [2019-11-28 03:02:14,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:02:14,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:02:14,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:02:14,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:02:14,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14" (1/1) ... [2019-11-28 03:02:14,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14" (1/1) ... [2019-11-28 03:02:14,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:02:14,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:02:14,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:02:14,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:02:14,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14" (1/1) ... [2019-11-28 03:02:14,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14" (1/1) ... [2019-11-28 03:02:14,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14" (1/1) ... [2019-11-28 03:02:14,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14" (1/1) ... [2019-11-28 03:02:14,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14" (1/1) ... [2019-11-28 03:02:14,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14" (1/1) ... [2019-11-28 03:02:14,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14" (1/1) ... [2019-11-28 03:02:14,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:02:14,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:02:14,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:02:14,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:02:14,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14" (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 [2019-11-28 03:02:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:02:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:02:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:02:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:02:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:02:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:02:14,665 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:02:14,666 INFO L297 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 03:02:14,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:14 BoogieIcfgContainer [2019-11-28 03:02:14,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:02:14,668 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:02:14,668 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:02:14,672 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:02:14,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:02:14,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:02:13" (1/3) ... [2019-11-28 03:02:14,674 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17dfdf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:02:14, skipping insertion in model container [2019-11-28 03:02:14,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:02:14,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:14" (2/3) ... [2019-11-28 03:02:14,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17dfdf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:02:14, skipping insertion in model container [2019-11-28 03:02:14,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:02:14,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:14" (3/3) ... [2019-11-28 03:02:14,677 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca-2.i [2019-11-28 03:02:14,727 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:02:14,727 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:02:14,730 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:02:14,730 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:02:14,730 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:02:14,730 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:02:14,730 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:02:14,731 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:02:14,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 03:02:14,769 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-28 03:02:14,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:02:14,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:02:14,777 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:02:14,777 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:02:14,777 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:02:14,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 03:02:14,780 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-28 03:02:14,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:02:14,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:02:14,781 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:02:14,781 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:02:14,791 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 19#L570true assume !(main_~length~0 < 1); 3#L570-2true assume !(main_~n~1 < 1); 13#L573-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 7#L553true assume 0 != cstrlcpy_~n~0 % 4294967296; 12#L554-3true [2019-11-28 03:02:14,793 INFO L796 eck$LassoCheckResult]: Loop: 12#L554-3true cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 8#L554-1true assume !!(0 != cstrlcpy_#t~pre2 % 4294967296);havoc cstrlcpy_#t~pre2;cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset := cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_#t~post3.base, 1 + cstrlcpy_#t~post3.offset;cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post4.base, 1 + cstrlcpy_#t~post4.offset;call cstrlcpy_#t~mem5 := read~int(cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, 1);call write~int(cstrlcpy_#t~mem5, cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, 1); 4#L555true assume !(0 == cstrlcpy_#t~mem5);havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset;havoc cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset;havoc cstrlcpy_#t~mem5; 12#L554-3true [2019-11-28 03:02:14,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:14,800 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2019-11-28 03:02:14,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:14,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068877857] [2019-11-28 03:02:14,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:14,984 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:14,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:14,986 INFO L82 PathProgramCache]: Analyzing trace with hash 52795, now seen corresponding path program 1 times [2019-11-28 03:02:14,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:14,986 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194756974] [2019-11-28 03:02:14,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:15,026 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:15,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:15,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1298289360, now seen corresponding path program 1 times [2019-11-28 03:02:15,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:15,028 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392366821] [2019-11-28 03:02:15,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:15,180 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:15,307 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-11-28 03:02:15,923 WARN L192 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 98 [2019-11-28 03:02:16,126 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-11-28 03:02:16,145 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:02:16,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:02:16,147 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:02:16,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:02:16,147 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:02:16,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:16,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:02:16,148 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:02:16,148 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration1_Lasso [2019-11-28 03:02:16,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:02:16,149 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:02:16,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:16,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:16,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:16,750 WARN L192 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2019-11-28 03:02:16,967 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-11-28 03:02:16,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:16,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:16,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:16,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:16,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:16,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:16,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:16,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:16,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:17,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:17,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:17,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:17,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:17,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:17,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:17,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:17,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:17,546 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-11-28 03:02:17,795 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-11-28 03:02:18,126 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-11-28 03:02:18,295 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:02:18,302 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) [2019-11-28 03:02:18,325 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 [2019-11-28 03:02:18,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:18,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:18,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:18,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:18,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:18,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:18,332 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 [2019-11-28 03:02:18,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe 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) [2019-11-28 03:02:18,377 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 [2019-11-28 03:02:18,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:18,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:18,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:18,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:18,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:18,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:18,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:18,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-28 03:02:18,398 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 [2019-11-28 03:02:18,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:18,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:18,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:18,401 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 03:02:18,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:18,402 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 03:02:18,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:18,405 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 [2019-11-28 03:02:18,423 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 [2019-11-28 03:02:18,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:18,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:18,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:18,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:18,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:18,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:18,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:18,429 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) [2019-11-28 03:02:18,446 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 [2019-11-28 03:02:18,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:18,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:18,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:18,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:18,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:18,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:18,473 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) [2019-11-28 03:02:18,490 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 [2019-11-28 03:02:18,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:18,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:18,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:18,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:18,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:18,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:18,512 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 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:18,535 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 [2019-11-28 03:02:18,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:18,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:18,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:18,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:18,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:18,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:18,555 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 [2019-11-28 03:02:18,574 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 [2019-11-28 03:02:18,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:18,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:18,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:18,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:18,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:18,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:18,590 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 [2019-11-28 03:02:18,602 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 [2019-11-28 03:02:18,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:18,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:18,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:18,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:18,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:18,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:18,623 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 [2019-11-28 03:02:18,630 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 [2019-11-28 03:02:18,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:18,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:18,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:18,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:18,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:18,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:18,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:18,688 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 [2019-11-28 03:02:18,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:18,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:18,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:18,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:18,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:18,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:18,759 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:02:19,044 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2019-11-28 03:02:19,044 INFO L444 ModelExtractionUtils]: 37 out of 58 variables were initially zero. Simplification set additionally 18 variables to zero. 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) [2019-11-28 03:02:19,066 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:19,071 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:02:19,072 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:02:19,072 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlcpy_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1) = -1*ULTIMATE.start_cstrlcpy_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1 Supporting invariants [] [2019-11-28 03:02:19,176 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2019-11-28 03:02:19,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:02:19,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:19,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:02:19,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:19,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 03:02:19,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:02:19,372 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 [2019-11-28 03:02:19,374 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 5 states. [2019-11-28 03:02:19,479 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 5 states. Result 48 states and 70 transitions. Complement of second has 7 states. [2019-11-28 03:02:19,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:02:19,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:02:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2019-11-28 03:02:19,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 03:02:19,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:19,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-28 03:02:19,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:19,487 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-28 03:02:19,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:19,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 70 transitions. [2019-11-28 03:02:19,493 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:02:19,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 22 states and 30 transitions. [2019-11-28 03:02:19,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-28 03:02:19,499 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-11-28 03:02:19,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2019-11-28 03:02:19,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:02:19,501 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-28 03:02:19,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2019-11-28 03:02:19,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 16. [2019-11-28 03:02:19,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 03:02:19,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2019-11-28 03:02:19,533 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-11-28 03:02:19,533 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-11-28 03:02:19,533 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:02:19,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2019-11-28 03:02:19,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:02:19,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:02:19,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:02:19,535 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:02:19,535 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:02:19,536 INFO L794 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 195#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 196#L570 assume !(main_~length~0 < 1); 189#L570-2 assume !(main_~n~1 < 1); 190#L573-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 197#L553 assume !(0 != cstrlcpy_~n~0 % 4294967296); 194#L553-1 assume 0 == cstrlcpy_~n~0 % 4294967296; 202#L560 assume !(0 != cstrlcpy_~siz % 4294967296); 204#L562-2 [2019-11-28 03:02:19,536 INFO L796 eck$LassoCheckResult]: Loop: 204#L562-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 203#L562 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~mem7;havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset; 204#L562-2 [2019-11-28 03:02:19,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:19,536 INFO L82 PathProgramCache]: Analyzing trace with hash 180447461, now seen corresponding path program 1 times [2019-11-28 03:02:19,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:19,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753892276] [2019-11-28 03:02:19,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:19,610 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:19,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:19,610 INFO L82 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 1 times [2019-11-28 03:02:19,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:19,611 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654838760] [2019-11-28 03:02:19,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:19,620 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:19,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:19,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1611319850, now seen corresponding path program 1 times [2019-11-28 03:02:19,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:19,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714639029] [2019-11-28 03:02:19,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:19,671 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:20,166 WARN L192 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 97 [2019-11-28 03:02:20,380 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-11-28 03:02:20,384 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:02:20,384 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:02:20,384 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:02:20,384 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:02:20,384 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:02:20,385 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:20,385 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:02:20,385 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:02:20,385 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration2_Lasso [2019-11-28 03:02:20,385 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:02:20,385 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:02:20,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,824 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-11-28 03:02:20,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:20,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:21,053 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-28 03:02:21,528 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:02:21,529 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2019-11-28 03:02:21,545 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 [2019-11-28 03:02:21,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:21,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:21,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:21,551 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 [2019-11-28 03:02:21,563 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 [2019-11-28 03:02:21,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:21,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:21,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:21,568 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) [2019-11-28 03:02:21,584 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 [2019-11-28 03:02:21,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,595 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) [2019-11-28 03:02:21,612 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 [2019-11-28 03:02:21,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:21,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:21,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,617 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) [2019-11-28 03:02:21,633 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 [2019-11-28 03:02:21,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,641 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 [2019-11-28 03:02:21,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:02:21,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:21,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:21,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:21,664 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 [2019-11-28 03:02:21,677 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 [2019-11-28 03:02:21,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:21,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:21,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:21,683 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 [2019-11-28 03:02:21,698 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 [2019-11-28 03:02:21,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:21,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:21,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:21,702 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 [2019-11-28 03:02:21,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:02:21,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:21,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:21,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:21,713 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 [2019-11-28 03:02:21,727 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 [2019-11-28 03:02:21,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:21,735 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) [2019-11-28 03:02:21,741 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:21,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:21,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:21,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,750 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 [2019-11-28 03:02:21,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:21,765 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,771 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 [2019-11-28 03:02:21,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:21,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:21,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:21,776 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) [2019-11-28 03:02:21,788 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 [2019-11-28 03:02:21,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,797 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) [2019-11-28 03:02:21,805 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 [2019-11-28 03:02:21,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,826 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) [2019-11-28 03:02:21,833 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 [2019-11-28 03:02:21,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:02:21,854 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 [2019-11-28 03:02:21,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,880 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) [2019-11-28 03:02:21,888 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 [2019-11-28 03:02:21,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,898 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) [2019-11-28 03:02:21,905 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 [2019-11-28 03:02:21,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,918 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) [2019-11-28 03:02:21,925 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 [2019-11-28 03:02:21,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,933 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) [2019-11-28 03:02:21,940 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 [2019-11-28 03:02:21,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:21,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,943 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 03:02:21,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:21,944 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 03:02:21,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,947 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) [2019-11-28 03:02:21,954 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 [2019-11-28 03:02:21,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:21,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:21,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:21,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:21,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:21,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:21,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:02:21,996 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-28 03:02:21,996 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. 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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:22,004 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:02:22,009 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:02:22,009 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:02:22,010 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2, ULTIMATE.start_cstrlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2 - 1*ULTIMATE.start_cstrlcpy_~s~0.offset Supporting invariants [] [2019-11-28 03:02:22,041 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-28 03:02:22,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:02:22,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:22,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:02:22,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:22,107 WARN L253 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 03:02:22,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:02:22,132 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 [2019-11-28 03:02:22,132 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-11-28 03:02:22,172 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 20 states and 27 transitions. Complement of second has 5 states. [2019-11-28 03:02:22,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:02:22,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:02:22,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-11-28 03:02:22,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-28 03:02:22,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:22,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-28 03:02:22,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:22,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-28 03:02:22,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:22,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2019-11-28 03:02:22,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:02:22,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 22 transitions. [2019-11-28 03:02:22,183 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-28 03:02:22,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 03:02:22,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2019-11-28 03:02:22,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:02:22,184 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2019-11-28 03:02:22,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2019-11-28 03:02:22,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 03:02:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 03:02:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2019-11-28 03:02:22,188 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2019-11-28 03:02:22,188 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2019-11-28 03:02:22,188 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:02:22,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2019-11-28 03:02:22,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:02:22,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:02:22,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:02:22,192 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:02:22,192 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:02:22,192 INFO L794 eck$LassoCheckResult]: Stem: 330#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 324#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 325#L570 assume !(main_~length~0 < 1); 318#L570-2 assume !(main_~n~1 < 1); 319#L573-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 326#L553 assume !(0 != cstrlcpy_~n~0 % 4294967296); 323#L553-1 assume 0 == cstrlcpy_~n~0 % 4294967296; 331#L560 assume 0 != cstrlcpy_~siz % 4294967296;call write~int(0, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, 1); 333#L562-2 [2019-11-28 03:02:22,193 INFO L796 eck$LassoCheckResult]: Loop: 333#L562-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 332#L562 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~mem7;havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset; 333#L562-2 [2019-11-28 03:02:22,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:22,193 INFO L82 PathProgramCache]: Analyzing trace with hash 180447459, now seen corresponding path program 1 times [2019-11-28 03:02:22,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:22,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246616286] [2019-11-28 03:02:22,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:02:22,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246616286] [2019-11-28 03:02:22,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:02:22,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:02:22,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008403807] [2019-11-28 03:02:22,347 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:02:22,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:22,348 INFO L82 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 2 times [2019-11-28 03:02:22,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:22,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16225903] [2019-11-28 03:02:22,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:22,355 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:22,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:02:22,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 03:02:22,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 03:02:22,390 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-11-28 03:02:22,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:02:22,427 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-11-28 03:02:22,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 03:02:22,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-28 03:02:22,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:02:22,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 21 transitions. [2019-11-28 03:02:22,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-28 03:02:22,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 03:02:22,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-11-28 03:02:22,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:02:22,430 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-28 03:02:22,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-11-28 03:02:22,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 03:02:22,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 03:02:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2019-11-28 03:02:22,434 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-28 03:02:22,435 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-28 03:02:22,435 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 03:02:22,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2019-11-28 03:02:22,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:02:22,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:02:22,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:02:22,437 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:02:22,437 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:02:22,437 INFO L794 eck$LassoCheckResult]: Stem: 371#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 365#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 366#L570 assume !(main_~length~0 < 1); 359#L570-2 assume !(main_~n~1 < 1); 360#L573-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 367#L553 assume 0 != cstrlcpy_~n~0 % 4294967296; 368#L554-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 369#L554-1 assume !(0 != cstrlcpy_#t~pre2 % 4294967296);havoc cstrlcpy_#t~pre2; 364#L553-1 assume 0 == cstrlcpy_~n~0 % 4294967296; 372#L560 assume 0 != cstrlcpy_~siz % 4294967296;call write~int(0, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, 1); 374#L562-2 [2019-11-28 03:02:22,437 INFO L796 eck$LassoCheckResult]: Loop: 374#L562-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 373#L562 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~mem7;havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset; 374#L562-2 [2019-11-28 03:02:22,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:22,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1592262898, now seen corresponding path program 1 times [2019-11-28 03:02:22,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:22,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913621651] [2019-11-28 03:02:22,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:22,467 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:22,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:22,468 INFO L82 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 3 times [2019-11-28 03:02:22,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:22,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549785382] [2019-11-28 03:02:22,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:22,477 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:22,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:22,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1156289271, now seen corresponding path program 1 times [2019-11-28 03:02:22,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:02:22,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790755353] [2019-11-28 03:02:22,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:02:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:02:22,526 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:02:23,202 WARN L192 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 109 [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Exception during sending of exit command (exit): Stream closed [2019-11-28 03:02:23,487 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-11-28 03:02:23,490 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:02:23,490 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:02:23,490 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:02:23,491 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:02:23,491 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:02:23,491 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:23,491 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:02:23,491 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:02:23,491 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration4_Lasso [2019-11-28 03:02:23,491 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:02:23,491 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:02:23,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:23,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:23,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:23,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:23,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:23,894 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-11-28 03:02:23,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:23,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:23,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:23,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:23,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:23,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:24,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:24,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:24,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:24,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:24,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:24,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:24,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:24,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:24,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:24,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:02:24,245 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-11-28 03:02:24,697 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:02:24,697 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2019-11-28 03:02:24,705 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 [2019-11-28 03:02:24,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:24,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:24,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:24,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:24,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:24,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:24,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:24,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:24,714 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 [2019-11-28 03:02:24,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:24,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:24,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:24,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:24,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:24,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:24,723 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 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:24,730 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 [2019-11-28 03:02:24,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:24,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:24,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:24,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:24,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:24,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:24,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:24,734 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 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:24,740 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 [2019-11-28 03:02:24,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:24,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:02:24,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:24,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:24,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:24,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:02:24,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:02:24,745 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 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:24,752 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 [2019-11-28 03:02:24,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:24,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:24,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:24,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:24,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:24,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:24,758 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 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:24,764 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 [2019-11-28 03:02:24,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:02:24,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:02:24,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:02:24,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:02:24,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:02:24,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:02:24,797 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:02:24,876 INFO L443 ModelExtractionUtils]: Simplification made 29 calls to the SMT solver. [2019-11-28 03:02:24,876 INFO L444 ModelExtractionUtils]: 13 out of 52 variables were initially zero. Simplification set additionally 34 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:02:24,881 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:02:24,883 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 03:02:24,883 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:02:24,883 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlcpy_~s~0.offset, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_cstrlcpy_~s~0.offset + 1*ULTIMATE.start_main_~length~0 Supporting invariants [1*ULTIMATE.start_main_~length~0 - 1*v_rep(select #length ULTIMATE.start_cstrlcpy_~s~0.base)_3 >= 0] [2019-11-28 03:02:24,943 INFO L297 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2019-11-28 03:02:24,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:02:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:24,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 03:02:24,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:25,043 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 03:02:25,043 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-11-28 03:02:25,044 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 03:02:25,059 INFO L588 ElimStorePlain]: treesize reduction 10, result has 61.5 percent of original size [2019-11-28 03:02:25,060 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 03:02:25,061 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:11, output treesize:7 [2019-11-28 03:02:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:02:25,077 WARN L253 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:02:25,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:02:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:02:25,096 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 [2019-11-28 03:02:25,096 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-11-28 03:02:25,141 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand 4 states. Result 18 states and 23 transitions. Complement of second has 5 states. [2019-11-28 03:02:25,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:02:25,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:02:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-28 03:02:25,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-28 03:02:25,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:25,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-28 03:02:25,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:25,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-28 03:02:25,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:02:25,144 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-28 03:02:25,145 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:02:25,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-11-28 03:02:25,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:02:25,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:02:25,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:02:25,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:02:25,146 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:02:25,146 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:02:25,146 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:02:25,146 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 03:02:25,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:02:25,146 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:02:25,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:02:25,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:02:25 BoogieIcfgContainer [2019-11-28 03:02:25,153 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:02:25,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:02:25,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:02:25,154 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:02:25,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:14" (3/4) ... [2019-11-28 03:02:25,158 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:02:25,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:02:25,160 INFO L168 Benchmark]: Toolchain (without parser) took 11640.19 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 955.0 MB in the beginning and 995.6 MB in the end (delta: -40.6 MB). Peak memory consumption was 277.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:25,161 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:02:25,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:25,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:25,164 INFO L168 Benchmark]: Boogie Preprocessor took 40.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:02:25,165 INFO L168 Benchmark]: RCFGBuilder took 416.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:25,166 INFO L168 Benchmark]: BuchiAutomizer took 10485.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 110.4 MB). Peak memory consumption was 279.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:02:25,167 INFO L168 Benchmark]: Witness Printer took 5.21 ms. Allocated memory is still 1.3 GB. Free memory is still 995.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:02:25,173 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 628.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 416.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10485.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.8 MB). Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 110.4 MB). Peak memory consumption was 279.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.21 ms. Allocated memory is still 1.3 GB. Free memory is still 995.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * s and consists of 4 locations. One deterministic module has affine ranking function -1 * s + length and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 9.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 75 SDtfs, 74 SDslu, 39 SDs, 0 SdLazy, 30 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital235 mio100 ax107 hnf99 lsp90 ukn78 mio100 lsp44 div160 bol100 ite100 ukn100 eq174 hnf69 smp93 dnf100 smp100 tf100 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 2 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...