./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 50bdaf600d03af0a677a59daf6a875dbe69c10b2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 08:19:01,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 08:19:01,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 08:19:01,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 08:19:01,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 08:19:01,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 08:19:01,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 08:19:01,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 08:19:01,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 08:19:01,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 08:19:01,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 08:19:01,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 08:19:01,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 08:19:01,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 08:19:01,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 08:19:01,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 08:19:01,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 08:19:01,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 08:19:01,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 08:19:01,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 08:19:01,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 08:19:01,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 08:19:01,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 08:19:01,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 08:19:01,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 08:19:01,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 08:19:01,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 08:19:01,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 08:19:01,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 08:19:01,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 08:19:01,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 08:19:01,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 08:19:01,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 08:19:01,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 08:19:01,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 08:19:01,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 08:19:01,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 08:19:01,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 08:19:01,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 08:19:01,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 08:19:01,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 08:19:01,229 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 08:19:01,260 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 08:19:01,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 08:19:01,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 08:19:01,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 08:19:01,262 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 08:19:01,263 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 08:19:01,263 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 08:19:01,263 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 08:19:01,263 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 08:19:01,264 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 08:19:01,264 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 08:19:01,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 08:19:01,265 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 08:19:01,265 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 08:19:01,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 08:19:01,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 08:19:01,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 08:19:01,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 08:19:01,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 08:19:01,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 08:19:01,266 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 08:19:01,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 08:19:01,267 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 08:19:01,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 08:19:01,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 08:19:01,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 08:19:01,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 08:19:01,268 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 08:19:01,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 08:19:01,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 08:19:01,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 08:19:01,269 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 08:19:01,270 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 08:19:01,270 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50bdaf600d03af0a677a59daf6a875dbe69c10b2 [2020-10-20 08:19:01,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 08:19:01,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 08:19:01,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 08:19:01,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 08:19:01,490 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 08:19:01,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2020-10-20 08:19:01,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af5d733a/a6fc2cf215ba4a4c8b464e559fb27b50/FLAG7a957dd7b [2020-10-20 08:19:02,102 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 08:19:02,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2020-10-20 08:19:02,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af5d733a/a6fc2cf215ba4a4c8b464e559fb27b50/FLAG7a957dd7b [2020-10-20 08:19:02,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af5d733a/a6fc2cf215ba4a4c8b464e559fb27b50 [2020-10-20 08:19:02,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 08:19:02,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 08:19:02,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 08:19:02,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 08:19:02,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 08:19:02,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:19:02" (1/1) ... [2020-10-20 08:19:02,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b353aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:02, skipping insertion in model container [2020-10-20 08:19:02,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:19:02" (1/1) ... [2020-10-20 08:19:02,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 08:19:02,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 08:19:02,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:19:02,954 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 08:19:02,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:19:03,048 INFO L208 MainTranslator]: Completed translation [2020-10-20 08:19:03,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03 WrapperNode [2020-10-20 08:19:03,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 08:19:03,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 08:19:03,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 08:19:03,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 08:19:03,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03" (1/1) ... [2020-10-20 08:19:03,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03" (1/1) ... [2020-10-20 08:19:03,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 08:19:03,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 08:19:03,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 08:19:03,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 08:19:03,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03" (1/1) ... [2020-10-20 08:19:03,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03" (1/1) ... [2020-10-20 08:19:03,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03" (1/1) ... [2020-10-20 08:19:03,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03" (1/1) ... [2020-10-20 08:19:03,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03" (1/1) ... [2020-10-20 08:19:03,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03" (1/1) ... [2020-10-20 08:19:03,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03" (1/1) ... [2020-10-20 08:19:03,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 08:19:03,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 08:19:03,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 08:19:03,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 08:19:03,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 08:19:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 08:19:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 08:19:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 08:19:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 08:19:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 08:19:03,498 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 08:19:03,499 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-20 08:19:03,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:19:03 BoogieIcfgContainer [2020-10-20 08:19:03,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 08:19:03,502 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 08:19:03,502 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 08:19:03,506 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 08:19:03,507 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:03,507 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 08:19:02" (1/3) ... [2020-10-20 08:19:03,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@713f7d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:19:03, skipping insertion in model container [2020-10-20 08:19:03,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:03,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:03" (2/3) ... [2020-10-20 08:19:03,509 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@713f7d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:19:03, skipping insertion in model container [2020-10-20 08:19:03,509 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:03,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:19:03" (3/3) ... [2020-10-20 08:19:03,511 INFO L373 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-2.i [2020-10-20 08:19:03,568 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 08:19:03,569 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 08:19:03,569 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 08:19:03,569 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 08:19:03,570 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 08:19:03,570 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 08:19:03,570 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 08:19:03,570 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 08:19:03,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-20 08:19:03,603 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-20 08:19:03,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:03,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:03,609 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 08:19:03,609 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 08:19:03,609 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 08:19:03,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-20 08:19:03,611 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-20 08:19:03,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:03,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:03,612 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 08:19:03,612 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 08:19:03,620 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 17#L528true assume !(main_~length1~0 < 1); 5#L528-2true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 12#L533-3true [2020-10-20 08:19:03,620 INFO L796 eck$LassoCheckResult]: Loop: 12#L533-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet9, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet9; 11#L533-2true main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 12#L533-3true [2020-10-20 08:19:03,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:03,627 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-10-20 08:19:03,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:03,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774605971] [2020-10-20 08:19:03,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:03,741 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:03,753 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:03,775 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:03,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:03,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2020-10-20 08:19:03,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:03,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144081101] [2020-10-20 08:19:03,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:03,789 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:03,796 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:03,799 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:03,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:03,801 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2020-10-20 08:19:03,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:03,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588934939] [2020-10-20 08:19:03,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:03,823 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:03,841 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:03,852 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:04,096 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:19:04,096 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:19:04,097 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:19:04,097 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:19:04,097 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 08:19:04,097 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:04,097 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:19:04,097 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:19:04,098 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration1_Lasso [2020-10-20 08:19:04,098 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:19:04,098 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:19:04,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:04,591 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:19:04,598 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:19:04,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:04,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:04,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:04,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:04,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:04,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:04,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:04,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:04,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:19:04,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:04,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:04,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:04,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:04,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:04,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:04,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:04,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:04,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:04,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:04,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:04,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:04,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:04,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:04,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:04,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:04,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:19:04,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:04,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:04,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:04,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:04,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:04,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:04,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:04,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:04,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:19:04,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:04,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:04,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:04,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:04,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:04,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:04,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:04,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:04,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:19:04,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:04,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:04,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:04,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:04,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:04,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:04,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:04,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:04,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:04,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:04,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:04,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:04,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:04,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:04,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:04,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:04,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:04,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:04,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:04,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:04,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:04,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:05,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:05,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:05,032 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 08:19:05,063 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-10-20 08:19:05,064 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:05,078 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 08:19:05,090 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 08:19:05,091 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 08:19:05,092 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-10-20 08:19:05,152 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-10-20 08:19:05,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:05,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 08:19:05,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:19:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:05,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:19:05,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:19:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:05,271 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 [2020-10-20 08:19:05,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2020-10-20 08:19:05,343 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 38 states and 51 transitions. Complement of second has 7 states. [2020-10-20 08:19:05,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 08:19:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 08:19:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2020-10-20 08:19:05,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 08:19:05,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:19:05,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-20 08:19:05,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:19:05,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 4 letters. [2020-10-20 08:19:05,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:19:05,355 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2020-10-20 08:19:05,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 08:19:05,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 16 transitions. [2020-10-20 08:19:05,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-20 08:19:05,371 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-20 08:19:05,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2020-10-20 08:19:05,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:19:05,373 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-10-20 08:19:05,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2020-10-20 08:19:05,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-10-20 08:19:05,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-20 08:19:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2020-10-20 08:19:05,405 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-10-20 08:19:05,405 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-10-20 08:19:05,429 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 08:19:05,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2020-10-20 08:19:05,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 08:19:05,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:05,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:05,430 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 08:19:05,430 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 08:19:05,431 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 115#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 116#L528 assume !(main_~length1~0 < 1); 117#L528-2 call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 118#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 122#L533-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrreplace_#in~s.base, cstrreplace_#in~s.offset, cstrreplace_#in~old, cstrreplace_#in~new := main_~nondetString1~0.base, main_~nondetString1~0.offset, (if main_#t~nondet10 % 256 <= 127 then main_#t~nondet10 % 256 else main_#t~nondet10 % 256 - 256), (if main_#t~nondet11 % 256 <= 127 then main_#t~nondet11 % 256 else main_#t~nondet11 % 256 - 256);havoc cstrreplace_#res;havoc cstrreplace_#t~mem3, cstrreplace_#t~post4, cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset, cstrreplace_#t~mem2, cstrreplace_~s.base, cstrreplace_~s.offset, cstrreplace_~old, cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, cstrreplace_~numReplaced~0;cstrreplace_~s.base, cstrreplace_~s.offset := cstrreplace_#in~s.base, cstrreplace_#in~s.offset;cstrreplace_~old := cstrreplace_#in~old;cstrreplace_~new := cstrreplace_#in~new;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_~s.base, cstrreplace_~s.offset;cstrreplace_~numReplaced~0 := 0; 112#L517-3 [2020-10-20 08:19:05,431 INFO L796 eck$LassoCheckResult]: Loop: 112#L517-3 call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 113#L517-1 assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 114#L518 assume cstrreplace_#t~mem3 == cstrreplace_~old;havoc cstrreplace_#t~mem3;call write~int(cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1);cstrreplace_#t~post4 := cstrreplace_~numReplaced~0;cstrreplace_~numReplaced~0 := 1 + cstrreplace_#t~post4;havoc cstrreplace_#t~post4; 111#L518-2 cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset := cstrreplace_~p~0.base, cstrreplace_~p~0.offset;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_#t~post5.base, 1 + cstrreplace_#t~post5.offset;havoc cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset; 112#L517-3 [2020-10-20 08:19:05,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:05,431 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2020-10-20 08:19:05,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:05,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038609054] [2020-10-20 08:19:05,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:05,490 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:05,506 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:05,512 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:05,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:05,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 1 times [2020-10-20 08:19:05,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:05,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955641912] [2020-10-20 08:19:05,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:05,521 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:05,527 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:05,529 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:05,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:05,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1952978730, now seen corresponding path program 1 times [2020-10-20 08:19:05,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:05,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723314389] [2020-10-20 08:19:05,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:05,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723314389] [2020-10-20 08:19:05,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:19:05,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 08:19:05,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989845278] [2020-10-20 08:19:05,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:19:05,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 08:19:05,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 08:19:05,788 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 7 states. [2020-10-20 08:19:05,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:19:05,891 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2020-10-20 08:19:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 08:19:05,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2020-10-20 08:19:05,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 08:19:05,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. [2020-10-20 08:19:05,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-10-20 08:19:05,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-20 08:19:05,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2020-10-20 08:19:05,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:19:05,895 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-10-20 08:19:05,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2020-10-20 08:19:05,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-10-20 08:19:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-20 08:19:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2020-10-20 08:19:05,898 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-10-20 08:19:05,898 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-10-20 08:19:05,898 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 08:19:05,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2020-10-20 08:19:05,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 08:19:05,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:05,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:05,900 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:19:05,900 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 08:19:05,900 INFO L794 eck$LassoCheckResult]: Stem: 165#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 157#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 158#L528 assume !(main_~length1~0 < 1); 163#L528-2 call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 164#L533-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet9, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet9; 166#L533-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 167#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 168#L533-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrreplace_#in~s.base, cstrreplace_#in~s.offset, cstrreplace_#in~old, cstrreplace_#in~new := main_~nondetString1~0.base, main_~nondetString1~0.offset, (if main_#t~nondet10 % 256 <= 127 then main_#t~nondet10 % 256 else main_#t~nondet10 % 256 - 256), (if main_#t~nondet11 % 256 <= 127 then main_#t~nondet11 % 256 else main_#t~nondet11 % 256 - 256);havoc cstrreplace_#res;havoc cstrreplace_#t~mem3, cstrreplace_#t~post4, cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset, cstrreplace_#t~mem2, cstrreplace_~s.base, cstrreplace_~s.offset, cstrreplace_~old, cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, cstrreplace_~numReplaced~0;cstrreplace_~s.base, cstrreplace_~s.offset := cstrreplace_#in~s.base, cstrreplace_#in~s.offset;cstrreplace_~old := cstrreplace_#in~old;cstrreplace_~new := cstrreplace_#in~new;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_~s.base, cstrreplace_~s.offset;cstrreplace_~numReplaced~0 := 0; 162#L517-3 [2020-10-20 08:19:05,901 INFO L796 eck$LassoCheckResult]: Loop: 162#L517-3 call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 159#L517-1 assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 160#L518 assume cstrreplace_#t~mem3 == cstrreplace_~old;havoc cstrreplace_#t~mem3;call write~int(cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1);cstrreplace_#t~post4 := cstrreplace_~numReplaced~0;cstrreplace_~numReplaced~0 := 1 + cstrreplace_#t~post4;havoc cstrreplace_#t~post4; 161#L518-2 cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset := cstrreplace_~p~0.base, cstrreplace_~p~0.offset;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_#t~post5.base, 1 + cstrreplace_#t~post5.offset;havoc cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset; 162#L517-3 [2020-10-20 08:19:05,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:05,901 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2020-10-20 08:19:05,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:05,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627410782] [2020-10-20 08:19:05,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:05,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:05,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:05,941 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:05,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:05,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 2 times [2020-10-20 08:19:05,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:05,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024202922] [2020-10-20 08:19:05,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:05,951 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:05,961 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:05,969 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:05,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:05,971 INFO L82 PathProgramCache]: Analyzing trace with hash -357903304, now seen corresponding path program 1 times [2020-10-20 08:19:05,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:05,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454021918] [2020-10-20 08:19:05,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:06,015 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:06,036 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:06,041 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:06,420 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-20 08:19:07,802 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 104 [2020-10-20 08:19:07,806 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:19:07,807 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:19:07,807 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:19:07,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:19:07,807 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 08:19:07,807 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:07,807 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:19:07,807 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:19:07,808 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration3_Lasso [2020-10-20 08:19:07,808 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:19:07,808 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:19:07,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:07,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:07,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:07,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:07,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:07,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:07,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:07,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:07,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:07,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:07,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:07,925 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 08:19:08,744 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2020-10-20 08:19:08,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:08,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:08,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:08,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:08,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:08,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:08,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:08,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:09,566 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:19:09,569 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-20 08:19:09,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:09,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:09,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:09,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:09,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:09,594 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 [2020-10-20 08:19:09,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:09,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:09,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:09,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:09,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:19:09,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:09,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:09,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:09,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:09,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:09,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:19:09,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:09,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:09,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:09,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:09,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:09,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:09,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:09,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:09,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:09,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:09,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:09,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:09,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:09,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:09,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:09,785 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) [2020-10-20 08:19:09,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:09,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:09,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:09,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:09,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:19:09,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:09,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:09,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:09,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:09,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:09,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:19:09,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:09,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:09,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:09,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:09,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:09,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:09,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:09,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:09,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:09,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:09,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:19:09,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:09,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:09,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:09,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:09,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:09,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:09,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:09,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:09,994 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-10-20 08:19:09,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:09,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:10,002 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-20 08:19:10,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:10,011 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:10,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:10,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:10,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:10,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:10,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:10,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:10,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:10,066 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 08:19:10,108 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2020-10-20 08:19:10,109 INFO L444 ModelExtractionUtils]: 18 out of 31 variables were initially zero. Simplification set additionally 10 variables to zero. 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) [2020-10-20 08:19:10,112 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:10,115 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 08:19:10,115 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 08:19:10,115 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2, ULTIMATE.start_cstrreplace_~p~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2 - 1*ULTIMATE.start_cstrreplace_~p~0.offset Supporting invariants [] [2020-10-20 08:19:10,171 INFO L297 tatePredicateManager]: 3 out of 5 supporting invariants were superfluous and have been removed [2020-10-20 08:19:10,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 08:19:10,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:10,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 08:19:10,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:19:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:10,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 08:19:10,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:19:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:10,297 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 08:19:10,297 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-10-20 08:19:10,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 16 states and 21 transitions. Complement of second has 5 states. [2020-10-20 08:19:10,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 08:19:10,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 08:19:10,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2020-10-20 08:19:10,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2020-10-20 08:19:10,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:19:10,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2020-10-20 08:19:10,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:19:10,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2020-10-20 08:19:10,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:19:10,360 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2020-10-20 08:19:10,361 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:19:10,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2020-10-20 08:19:10,361 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 08:19:10,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 08:19:10,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 08:19:10,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:19:10,361 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:19:10,361 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:19:10,361 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:19:10,361 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 08:19:10,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 08:19:10,362 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:19:10,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 08:19:10,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 08:19:10 BoogieIcfgContainer [2020-10-20 08:19:10,367 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 08:19:10,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 08:19:10,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 08:19:10,368 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 08:19:10,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:19:03" (3/4) ... [2020-10-20 08:19:10,371 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 08:19:10,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 08:19:10,373 INFO L168 Benchmark]: Toolchain (without parser) took 7892.11 ms. Allocated memory was 43.0 MB in the beginning and 79.2 MB in the end (delta: 36.2 MB). Free memory was 22.4 MB in the beginning and 48.6 MB in the end (delta: -26.2 MB). Peak memory consumption was 10.0 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:10,374 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 32.5 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 08:19:10,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.17 ms. Allocated memory was 43.0 MB in the beginning and 43.5 MB in the end (delta: 524.3 kB). Free memory was 21.6 MB in the beginning and 12.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 12.4 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:10,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.07 ms. Allocated memory is still 43.5 MB. Free memory was 12.7 MB in the beginning and 10.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:10,376 INFO L168 Benchmark]: Boogie Preprocessor took 40.58 ms. Allocated memory was 43.5 MB in the beginning and 44.6 MB in the end (delta: 1.0 MB). Free memory was 10.6 MB in the beginning and 28.3 MB in the end (delta: -17.7 MB). Peak memory consumption was 870.1 kB. Max. memory is 14.3 GB. [2020-10-20 08:19:10,377 INFO L168 Benchmark]: RCFGBuilder took 362.73 ms. Allocated memory is still 44.6 MB. Free memory was 28.0 MB in the beginning and 12.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:10,378 INFO L168 Benchmark]: BuchiAutomizer took 6865.67 ms. Allocated memory was 44.6 MB in the beginning and 79.2 MB in the end (delta: 34.6 MB). Free memory was 12.0 MB in the beginning and 49.5 MB in the end (delta: -37.5 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 08:19:10,378 INFO L168 Benchmark]: Witness Printer took 3.66 ms. Allocated memory is still 79.2 MB. Free memory was 49.5 MB in the beginning and 48.6 MB in the end (delta: 905.3 kB). Peak memory consumption was 905.3 kB. Max. memory is 14.3 GB. [2020-10-20 08:19:10,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 32.5 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 558.17 ms. Allocated memory was 43.0 MB in the beginning and 43.5 MB in the end (delta: 524.3 kB). Free memory was 21.6 MB in the beginning and 12.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 12.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 47.07 ms. Allocated memory is still 43.5 MB. Free memory was 12.7 MB in the beginning and 10.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 40.58 ms. Allocated memory was 43.5 MB in the beginning and 44.6 MB in the end (delta: 1.0 MB). Free memory was 10.6 MB in the beginning and 28.3 MB in the end (delta: -17.7 MB). Peak memory consumption was 870.1 kB. Max. memory is 14.3 GB. * RCFGBuilder took 362.73 ms. Allocated memory is still 44.6 MB. Free memory was 28.0 MB in the beginning and 12.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 6865.67 ms. Allocated memory was 44.6 MB in the beginning and 79.2 MB in the end (delta: 34.6 MB). Free memory was 12.0 MB in the beginning and 49.5 MB in the end (delta: -37.5 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 3.66 ms. Allocated memory is still 79.2 MB. Free memory was 49.5 MB in the beginning and 48.6 MB in the end (delta: 905.3 kB). Peak memory consumption was 905.3 kB. Max. memory is 14.3 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * p and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 31 SDtfs, 51 SDslu, 47 SDs, 0 SdLazy, 55 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital337 mio100 ax111 hnf98 lsp130 ukn60 mio100 lsp38 div118 bol100 ite100 ukn100 eq163 hnf81 smp96 dnf147 smp76 tf100 neg98 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 5 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...