./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 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-15/cstrncpy_mixed_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 493d4075183da22c41b393b09f987b5f1b55266e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:50:27,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:50:27,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:50:27,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:50:27,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:50:27,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:50:27,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:50:27,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:50:27,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:50:27,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:50:27,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:50:27,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:50:27,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:50:27,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:50:27,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:50:27,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:50:27,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:50:27,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:50:27,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:50:27,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:50:27,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:50:27,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:50:27,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:50:27,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:50:27,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:50:27,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:50:27,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:50:27,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:50:27,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:50:27,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:50:27,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:50:27,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:50:27,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:50:27,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:50:27,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:50:27,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:50:27,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:50:27,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:50:27,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:50:27,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:50:27,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:50:27,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:50:27,220 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:50:27,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:50:27,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:50:27,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:50:27,222 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:50:27,222 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:50:27,223 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:50:27,223 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:50:27,223 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:50:27,223 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:50:27,224 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:50:27,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:50:27,224 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:50:27,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:50:27,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:50:27,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:50:27,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:50:27,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:50:27,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:50:27,226 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:50:27,226 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:50:27,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:50:27,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:50:27,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:50:27,227 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:50:27,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:50:27,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:50:27,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:50:27,228 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:50:27,229 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:50:27,230 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 -> 493d4075183da22c41b393b09f987b5f1b55266e [2020-10-19 18:50:27,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:50:27,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:50:27,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:50:27,570 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:50:27,570 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:50:27,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.i [2020-10-19 18:50:27,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f662d7f90/a01ffa8c7e53404090a463aa3489c102/FLAGe8d3fe090 [2020-10-19 18:50:28,194 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:50:28,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrncpy_mixed_alloca.i [2020-10-19 18:50:28,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f662d7f90/a01ffa8c7e53404090a463aa3489c102/FLAGe8d3fe090 [2020-10-19 18:50:28,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f662d7f90/a01ffa8c7e53404090a463aa3489c102 [2020-10-19 18:50:28,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:50:28,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:50:28,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:50:28,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:50:28,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:50:28,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:50:28" (1/1) ... [2020-10-19 18:50:28,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ac5d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:28, skipping insertion in model container [2020-10-19 18:50:28,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:50:28" (1/1) ... [2020-10-19 18:50:28,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:50:28,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:50:29,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:50:29,040 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:50:29,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:50:29,184 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:50:29,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29 WrapperNode [2020-10-19 18:50:29,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:50:29,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:50:29,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:50:29,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:50:29,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29" (1/1) ... [2020-10-19 18:50:29,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29" (1/1) ... [2020-10-19 18:50:29,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:50:29,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:50:29,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:50:29,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:50:29,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29" (1/1) ... [2020-10-19 18:50:29,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29" (1/1) ... [2020-10-19 18:50:29,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29" (1/1) ... [2020-10-19 18:50:29,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29" (1/1) ... [2020-10-19 18:50:29,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29" (1/1) ... [2020-10-19 18:50:29,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29" (1/1) ... [2020-10-19 18:50:29,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29" (1/1) ... [2020-10-19 18:50:29,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:50:29,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:50:29,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:50:29,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:50:29,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:50:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:50:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:50:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:50:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:50:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:50:29,618 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:50:29,618 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-19 18:50:29,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:50:29 BoogieIcfgContainer [2020-10-19 18:50:29,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:50:29,621 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:50:29,621 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:50:29,624 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:50:29,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:50:29,625 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:50:28" (1/3) ... [2020-10-19 18:50:29,626 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fe59379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:50:29, skipping insertion in model container [2020-10-19 18:50:29,626 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:50:29,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:50:29" (2/3) ... [2020-10-19 18:50:29,627 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fe59379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:50:29, skipping insertion in model container [2020-10-19 18:50:29,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:50:29,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:50:29" (3/3) ... [2020-10-19 18:50:29,629 INFO L373 chiAutomizerObserver]: Analyzing ICFG cstrncpy_mixed_alloca.i [2020-10-19 18:50:29,687 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:50:29,688 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:50:29,688 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:50:29,688 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:50:29,688 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:50:29,688 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:50:29,688 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:50:29,689 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:50:29,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-19 18:50:29,717 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 18:50:29,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:50:29,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:50:29,723 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 18:50:29,723 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:50:29,723 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:50:29,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-19 18:50:29,725 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-19 18:50:29,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:50:29,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:50:29,725 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 18:50:29,725 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:50:29,732 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~n~0 := main_#t~nondet212;havoc main_#t~nondet212; 5#L385true assume !(main_~length~0 < 1); 7#L385-2true assume !(main_~n~0 < 1); 3#L388-1true call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~n~0 - 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post205, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, cstrncpy_#t~mem208, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, cstrncpy_#t~post209, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 14#L370-2true [2020-10-19 18:50:29,732 INFO L796 eck$LassoCheckResult]: Loop: 14#L370-2true assume !!(cstrncpy_~n > 0);cstrncpy_#t~post205 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post205 - 1;havoc cstrncpy_#t~post205;cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset - 1;cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post207.base, 1 + cstrncpy_#t~post207.offset;call cstrncpy_#t~mem208 := read~int(cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, 1);call write~int(cstrncpy_#t~mem208, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, 1); 9#L372true assume !(0 == cstrncpy_#t~mem208);havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset;havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset;havoc cstrncpy_#t~mem208; 14#L370-2true [2020-10-19 18:50:29,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:29,737 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2020-10-19 18:50:29,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:29,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506441613] [2020-10-19 18:50:29,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:29,863 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:29,909 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:29,938 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:29,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:29,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1747, now seen corresponding path program 1 times [2020-10-19 18:50:29,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:29,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271248460] [2020-10-19 18:50:29,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:29,953 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:29,966 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:29,970 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:29,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:29,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935768, now seen corresponding path program 1 times [2020-10-19 18:50:29,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:29,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137509767] [2020-10-19 18:50:29,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:30,005 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:30,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:30,068 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:30,597 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2020-10-19 18:50:30,744 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-19 18:50:30,760 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:50:30,764 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:50:30,764 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:50:30,764 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:50:30,765 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:50:30,765 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:30,765 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:50:30,765 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:50:30,765 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_mixed_alloca.i_Iteration1_Lasso [2020-10-19 18:50:30,766 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:50:30,766 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:50:30,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:30,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:31,229 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2020-10-19 18:50:31,396 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2020-10-19 18:50:31,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:31,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:31,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:31,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:32,010 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:50:32,016 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:32,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:32,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:32,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:32,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:50:32,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:32,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:32,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:32,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:32,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:32,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:32,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:32,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:32,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:32,666 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:32,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:32,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:32,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:32,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:32,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:32,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:32,720 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:50:32,890 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-19 18:50:32,890 INFO L444 ModelExtractionUtils]: 10 out of 34 variables were initially zero. Simplification set additionally 22 variables to zero. 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) [2020-10-19 18:50:32,902 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:32,906 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:50:32,906 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:50:32,907 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n) = 1*ULTIMATE.start_cstrncpy_~n Supporting invariants [] [2020-10-19 18:50:32,975 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2020-10-19 18:50:32,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:50:33,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 18:50:33,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:50:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:50:33,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 18:50:33,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:50:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:50:33,088 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 18:50:33,089 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2020-10-19 18:50:33,133 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 30 states and 40 transitions. Complement of second has 5 states. [2020-10-19 18:50:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-19 18:50:33,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 18:50:33,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2020-10-19 18:50:33,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-19 18:50:33,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:33,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2020-10-19 18:50:33,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:33,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2020-10-19 18:50:33,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:33,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2020-10-19 18:50:33,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:50:33,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 11 states and 14 transitions. [2020-10-19 18:50:33,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-10-19 18:50:33,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-19 18:50:33,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2020-10-19 18:50:33,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:50:33,150 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-10-19 18:50:33,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2020-10-19 18:50:33,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-10-19 18:50:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-19 18:50:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2020-10-19 18:50:33,178 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-10-19 18:50:33,178 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-10-19 18:50:33,178 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:50:33,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2020-10-19 18:50:33,179 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-19 18:50:33,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:50:33,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:50:33,180 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:50:33,180 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:50:33,180 INFO L794 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 140#L-1 havoc main_#res;havoc main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~n~0 := main_#t~nondet212;havoc main_#t~nondet212; 141#L385 assume !(main_~length~0 < 1); 146#L385-2 assume !(main_~n~0 < 1); 144#L388-1 call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~n~0 - 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post205, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, cstrncpy_#t~mem208, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, cstrncpy_#t~post209, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 145#L370-2 assume !!(cstrncpy_~n > 0);cstrncpy_#t~post205 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post205 - 1;havoc cstrncpy_#t~post205;cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset - 1;cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post207.base, 1 + cstrncpy_#t~post207.offset;call cstrncpy_#t~mem208 := read~int(cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset, 1);call write~int(cstrncpy_#t~mem208, cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset, 1); 137#L372 assume 0 == cstrncpy_#t~mem208;havoc cstrncpy_#t~post207.base, cstrncpy_#t~post207.offset;havoc cstrncpy_#t~post206.base, cstrncpy_#t~post206.offset;havoc cstrncpy_#t~mem208;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~n2~0 := cstrncpy_~n; 139#L375-3 [2020-10-19 18:50:33,181 INFO L796 eck$LassoCheckResult]: Loop: 139#L375-3 cstrncpy_#t~post209 := cstrncpy_~n2~0;cstrncpy_~n2~0 := cstrncpy_#t~post209 - 1; 142#L375-1 assume !!(0 != cstrncpy_#t~post209);havoc cstrncpy_#t~post209;cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset := cstrncpy_~us~0.base, cstrncpy_~us~0.offset;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset - 1;call write~int(0, cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset, 1);havoc cstrncpy_#t~post210.base, cstrncpy_#t~post210.offset; 139#L375-3 [2020-10-19 18:50:33,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:33,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935753, now seen corresponding path program 1 times [2020-10-19 18:50:33,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:33,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084080080] [2020-10-19 18:50:33,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:33,205 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:33,226 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:33,238 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:33,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:33,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2020-10-19 18:50:33,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:33,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179676641] [2020-10-19 18:50:33,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:33,249 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:33,256 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:33,257 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:33,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:33,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1298472078, now seen corresponding path program 1 times [2020-10-19 18:50:33,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:50:33,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427226751] [2020-10-19 18:50:33,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:50:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:33,283 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:50:33,304 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:50:33,310 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:50:33,904 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 128 [2020-10-19 18:50:34,101 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-19 18:50:34,103 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:50:34,104 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:50:34,104 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:50:34,104 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:50:34,104 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:50:34,104 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:34,104 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:50:34,104 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:50:34,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_mixed_alloca.i_Iteration2_Lasso [2020-10-19 18:50:34,105 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:50:34,105 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:50:34,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,568 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2020-10-19 18:50:34,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:34,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:50:35,275 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:50:35,275 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-19 18:50:35,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:35,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:35,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:35,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:35,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:35,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:35,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:35,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:35,293 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 [2020-10-19 18:50:35,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:35,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:35,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:35,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:35,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:35,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:35,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:35,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:35,324 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 [2020-10-19 18:50:35,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:35,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:35,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:35,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:35,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:35,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:35,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:35,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:35,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:35,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:35,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:35,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:35,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:35,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:35,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:35,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:35,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:35,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:35,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:35,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:35,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:35,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:35,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:35,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:35,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:35,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:35,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:35,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:35,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:35,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:35,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:35,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:35,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:35,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:35,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:35,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:35,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:35,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:35,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:35,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:35,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:35,494 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) [2020-10-19 18:50:35,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:35,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:35,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:35,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:35,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:35,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:35,540 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 [2020-10-19 18:50:35,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:35,584 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 [2020-10-19 18:50:35,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:35,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:50:35,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:35,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:35,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:35,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:50:35,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:50:35,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:35,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:35,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:35,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:35,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:50:35,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:50:35,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:50:35,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:50:35,616 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) [2020-10-19 18:50:35,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:50:35,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:50:35,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:50:35,657 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 18:50:35,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:35,676 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-19 18:50:35,676 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-19 18:50:35,739 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:50:35,846 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2020-10-19 18:50:35,846 INFO L444 ModelExtractionUtils]: 20 out of 66 variables were initially zero. Simplification set additionally 43 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:50:35,849 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:50:35,853 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-10-19 18:50:35,853 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:50:35,854 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc213.base)_2, ULTIMATE.start_cstrncpy_~us~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc213.base)_2 + 2*ULTIMATE.start_cstrncpy_~us~0.offset Supporting invariants [] [2020-10-19 18:50:35,926 INFO L297 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2020-10-19 18:50:35,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-19 18:50:35,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:50:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:50:35,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-19 18:50:35,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:50:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:50:36,008 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-19 18:50:36,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:50:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:50:36,009 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2020-10-19 18:50:36,009 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-10-19 18:50:36,041 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 12 states and 16 transitions. Complement of second has 5 states. [2020-10-19 18:50:36,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-19 18:50:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 18:50:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2020-10-19 18:50:36,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2020-10-19 18:50:36,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:36,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2020-10-19 18:50:36,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:36,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2020-10-19 18:50:36,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:50:36,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2020-10-19 18:50:36,045 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:50:36,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-10-19 18:50:36,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:50:36,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:50:36,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:50:36,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:50:36,045 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:50:36,045 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:50:36,045 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:50:36,046 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 18:50:36,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:50:36,046 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:50:36,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:50:36,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:50:36 BoogieIcfgContainer [2020-10-19 18:50:36,054 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:50:36,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:50:36,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:50:36,054 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:50:36,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:50:29" (3/4) ... [2020-10-19 18:50:36,058 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:50:36,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:50:36,060 INFO L168 Benchmark]: Toolchain (without parser) took 7539.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.1 MB). Free memory was 960.0 MB in the beginning and 1.0 GB in the end (delta: -58.3 MB). Peak memory consumption was 257.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:36,061 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:50:36,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:36,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:50:36,063 INFO L168 Benchmark]: Boogie Preprocessor took 27.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:36,063 INFO L168 Benchmark]: RCFGBuilder took 359.92 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:36,064 INFO L168 Benchmark]: BuchiAutomizer took 6432.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.0 MB). Peak memory consumption was 248.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:50:36,065 INFO L168 Benchmark]: Witness Printer took 4.50 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:50:36,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 658.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 359.92 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6432.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.0 MB). Peak memory consumption was 248.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.50 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(n * sizeof(char))] + 2 * us and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 24 SDtfs, 26 SDslu, 14 SDs, 0 SdLazy, 9 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital236 mio100 ax100 hnf99 lsp97 ukn87 mio100 lsp35 div100 bol100 ite100 ukn100 eq196 hnf89 smp100 dnf115 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 207ms VariablesStem: 12 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...