./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6051a5fb5d8f122488338219baae2c7290933e19 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:23:19,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:23:19,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:23:19,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:23:19,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:23:19,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:23:19,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:23:19,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:23:19,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:23:19,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:23:19,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:23:19,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:23:19,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:23:19,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:23:19,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:23:19,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:23:19,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:23:19,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:23:19,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:23:19,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:23:19,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:23:19,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:23:19,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:23:19,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:23:19,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:23:19,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:23:19,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:23:19,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:23:19,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:23:19,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:23:19,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:23:19,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:23:19,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:23:19,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:23:19,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:23:19,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:23:19,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:23:19,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:23:19,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:23:19,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:23:19,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:23:19,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:23:19,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:23:19,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:23:19,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:23:19,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:23:19,476 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:23:19,476 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:23:19,477 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:23:19,477 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:23:19,477 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:23:19,477 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:23:19,478 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:23:19,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:23:19,479 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:23:19,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:23:19,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:23:19,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:23:19,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:23:19,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:23:19,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:23:19,481 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:23:19,481 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:23:19,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:23:19,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:23:19,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:23:19,482 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:23:19,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:23:19,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:23:19,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:23:19,483 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:23:19,485 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:23:19,485 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6051a5fb5d8f122488338219baae2c7290933e19 [2020-10-26 04:23:19,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:23:19,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:23:19,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:23:19,974 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:23:19,975 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:23:19,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2020-10-26 04:23:20,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94028472c/ecacc0e8b6f441d5921ac6e73d62a05c/FLAGcef27f895 [2020-10-26 04:23:20,780 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:23:20,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2020-10-26 04:23:20,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94028472c/ecacc0e8b6f441d5921ac6e73d62a05c/FLAGcef27f895 [2020-10-26 04:23:21,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94028472c/ecacc0e8b6f441d5921ac6e73d62a05c [2020-10-26 04:23:21,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:23:21,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:23:21,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:23:21,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:23:21,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:23:21,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:23:21" (1/1) ... [2020-10-26 04:23:21,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce9f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21, skipping insertion in model container [2020-10-26 04:23:21,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:23:21" (1/1) ... [2020-10-26 04:23:21,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:23:21,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:23:21,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:23:21,451 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:23:21,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:23:21,601 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:23:21,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21 WrapperNode [2020-10-26 04:23:21,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:23:21,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:23:21,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:23:21,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:23:21,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21" (1/1) ... [2020-10-26 04:23:21,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21" (1/1) ... [2020-10-26 04:23:21,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:23:21,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:23:21,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:23:21,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:23:21,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21" (1/1) ... [2020-10-26 04:23:21,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21" (1/1) ... [2020-10-26 04:23:21,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21" (1/1) ... [2020-10-26 04:23:21,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21" (1/1) ... [2020-10-26 04:23:21,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21" (1/1) ... [2020-10-26 04:23:21,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21" (1/1) ... [2020-10-26 04:23:21,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21" (1/1) ... [2020-10-26 04:23:21,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:23:21,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:23:21,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:23:21,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:23:21,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21" (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 [2020-10-26 04:23:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure new_ll [2020-10-26 04:23:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure new_ll [2020-10-26 04:23:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 04:23:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-26 04:23:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-26 04:23:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:23:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:23:22,256 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:23:22,256 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-26 04:23:22,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:23:22 BoogieIcfgContainer [2020-10-26 04:23:22,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:23:22,260 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:23:22,260 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:23:22,264 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:23:22,265 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:23:22,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:23:21" (1/3) ... [2020-10-26 04:23:22,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21978eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:23:22, skipping insertion in model container [2020-10-26 04:23:22,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:23:22,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:21" (2/3) ... [2020-10-26 04:23:22,267 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21978eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:23:22, skipping insertion in model container [2020-10-26 04:23:22,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:23:22,268 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:23:22" (3/3) ... [2020-10-26 04:23:22,269 INFO L373 chiAutomizerObserver]: Analyzing ICFG ll_create_rec-alloca-2.i [2020-10-26 04:23:22,337 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:23:22,338 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:23:22,338 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:23:22,338 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:23:22,338 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:23:22,339 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:23:22,339 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:23:22,339 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:23:22,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-26 04:23:22,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:23:22,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:23:22,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:23:22,395 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:23:22,395 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:23:22,395 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:23:22,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-26 04:23:22,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-26 04:23:22,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:23:22,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:23:22,399 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-26 04:23:22,399 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-26 04:23:22,409 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~ret5.base, main_#t~ret5.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet4;havoc main_#t~nondet4; 4#L558true assume !(main_~n~0 < 0); 13#L561true call main_#t~ret5.base, main_#t~ret5.offset := new_ll(main_~n~0);< 11#new_llENTRYtrue [2020-10-26 04:23:22,409 INFO L796 eck$LassoCheckResult]: Loop: 11#new_llENTRYtrue ~n := #in~n; 16#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 6#L552true call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 11#new_llENTRYtrue [2020-10-26 04:23:22,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:22,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1171947, now seen corresponding path program 1 times [2020-10-26 04:23:22,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:22,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615429566] [2020-10-26 04:23:22,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:22,534 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:22,546 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:22,571 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:22,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:22,574 INFO L82 PathProgramCache]: Analyzing trace with hash 29936, now seen corresponding path program 1 times [2020-10-26 04:23:22,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:22,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872824092] [2020-10-26 04:23:22,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:22,605 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:22,625 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:22,633 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:22,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:22,636 INFO L82 PathProgramCache]: Analyzing trace with hash 553734854, now seen corresponding path program 1 times [2020-10-26 04:23:22,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:22,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817615267] [2020-10-26 04:23:22,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:22,660 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:22,680 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:22,689 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:23,035 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-10-26 04:23:23,157 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-26 04:23:23,481 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-26 04:23:24,011 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:23:24,012 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:23:24,012 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:23:24,012 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:23:24,012 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:23:24,012 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:24,013 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:23:24,013 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:23:24,013 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_create_rec-alloca-2.i_Iteration1_Lasso [2020-10-26 04:23:24,013 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:23:24,014 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:23:24,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:24,499 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:23:24,505 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:24,515 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 [2020-10-26 04:23:24,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:24,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:24,568 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 [2020-10-26 04:23:24,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:24,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:24,614 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 [2020-10-26 04:23:24,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:24,621 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 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 [2020-10-26 04:23:24,657 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 [2020-10-26 04:23:24,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:24,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:24,691 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 [2020-10-26 04:23:24,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:24,699 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 [2020-10-26 04:23:24,723 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 [2020-10-26 04:23:24,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:24,728 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 [2020-10-26 04:23:24,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:23:24,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:24,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:23:24,777 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) [2020-10-26 04:23:24,814 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 [2020-10-26 04:23:24,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:24,823 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:24,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:24,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:24,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:24,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:23:24,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:24,903 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 [2020-10-26 04:23:24,932 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 [2020-10-26 04:23:24,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:24,937 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 [2020-10-26 04:23:24,962 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 [2020-10-26 04:23:24,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:24,970 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 [2020-10-26 04:23:24,995 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 [2020-10-26 04:23:24,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:24,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:24,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:24,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:24,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:24,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:24,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:25,000 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 [2020-10-26 04:23:25,028 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 [2020-10-26 04:23:25,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:25,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:25,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:25,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:25,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:25,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:25,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:25,033 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 [2020-10-26 04:23:25,060 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 [2020-10-26 04:23:25,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:25,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:25,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:25,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:25,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:25,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:25,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:25,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:25,090 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 [2020-10-26 04:23:25,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:25,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:25,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:25,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:25,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:25,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:23:25,108 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:25,134 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 [2020-10-26 04:23:25,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:25,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:25,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:25,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:25,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:25,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:25,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:25,141 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) [2020-10-26 04:23:25,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:25,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:25,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:25,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:25,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:25,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:25,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:25,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:25,178 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 [2020-10-26 04:23:25,204 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 [2020-10-26 04:23:25,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:25,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:25,206 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:23:25,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:25,220 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-26 04:23:25,220 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-26 04:23:25,236 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:23:25,437 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-10-26 04:23:25,437 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:25,447 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:25,457 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-10-26 04:23:25,457 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:23:25,458 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_ll_#in~n) = 1*new_ll_#in~n Supporting invariants [1*new_ll_#in~n >= 0] [2020-10-26 04:23:25,501 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-10-26 04:23:25,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:23:25,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:23:25,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:23:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:23:25,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-26 04:23:25,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:23:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:23:25,726 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-26 04:23:25,728 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2020-10-26 04:23:25,904 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 32 states and 36 transitions. Complement of second has 13 states. [2020-10-26 04:23:25,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:23:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:23:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-10-26 04:23:25,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2020-10-26 04:23:25,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:25,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2020-10-26 04:23:25,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:25,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2020-10-26 04:23:25,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:25,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2020-10-26 04:23:25,917 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:23:25,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2020-10-26 04:23:25,922 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:23:25,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:23:25,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:23:25,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:23:25,923 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:23:25,923 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:23:25,923 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:23:25,923 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:23:25,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:23:25,923 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:23:25,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:23:25,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:23:25 BoogieIcfgContainer [2020-10-26 04:23:25,930 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:23:25,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:23:25,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:23:25,931 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:23:25,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:23:22" (3/4) ... [2020-10-26 04:23:25,936 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:23:25,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:23:25,938 INFO L168 Benchmark]: Toolchain (without parser) took 4921.22 ms. Allocated memory was 41.9 MB in the beginning and 73.4 MB in the end (delta: 31.5 MB). Free memory was 25.8 MB in the beginning and 50.0 MB in the end (delta: -24.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:25,939 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 41.9 MB. Free memory was 20.1 MB in the beginning and 20.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:23:25,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.90 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 25.2 MB in the beginning and 26.6 MB in the end (delta: -1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:25,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.53 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 25.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:23:25,941 INFO L168 Benchmark]: Boogie Preprocessor took 29.23 ms. Allocated memory is still 50.3 MB. Free memory was 25.0 MB in the beginning and 23.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:25,942 INFO L168 Benchmark]: RCFGBuilder took 574.89 ms. Allocated memory is still 50.3 MB. Free memory was 23.9 MB in the beginning and 24.7 MB in the end (delta: -742.6 kB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:25,943 INFO L168 Benchmark]: BuchiAutomizer took 3670.61 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 24.5 MB in the beginning and 50.5 MB in the end (delta: -26.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:23:25,944 INFO L168 Benchmark]: Witness Printer took 4.96 ms. Allocated memory is still 73.4 MB. Free memory was 50.5 MB in the beginning and 50.0 MB in the end (delta: 523.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:25,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 41.9 MB. Free memory was 20.1 MB in the beginning and 20.0 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 578.90 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 25.2 MB in the beginning and 26.6 MB in the end (delta: -1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.53 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 25.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.23 ms. Allocated memory is still 50.3 MB. Free memory was 25.0 MB in the beginning and 23.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 574.89 ms. Allocated memory is still 50.3 MB. Free memory was 23.9 MB in the beginning and 24.7 MB in the end (delta: -742.6 kB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3670.61 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 24.5 MB in the beginning and 50.5 MB in the end (delta: -26.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.96 ms. Allocated memory is still 73.4 MB. Free memory was 50.5 MB in the beginning and 50.0 MB in the end (delta: 523.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 12 SDslu, 5 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital137 mio100 ax100 hnf99 lsp95 ukn27 mio100 lsp38 div100 bol100 ite100 ukn100 eq214 hnf86 smp100 dnf130 smp100 tf100 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 257ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...