./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/array06_alloca.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-15/array06_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1115824e83a2d445d70fc62014a99239a945a9c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:23:42,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:23:42,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:23:42,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:23:42,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:23:42,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:23:42,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:23:42,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:23:42,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:23:42,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:23:42,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:23:42,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:23:42,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:23:42,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:23:42,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:23:42,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:23:42,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:23:42,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:23:42,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:23:42,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:23:42,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:23:42,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:23:42,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:23:42,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:23:42,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:23:42,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:23:42,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:23:42,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:23:42,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:23:42,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:23:42,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:23:42,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:23:42,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:23:42,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:23:42,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:23:42,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:23:42,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:23:42,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:23:42,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:23:42,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:23:42,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:23:42,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:23:42,335 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:23:42,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:23:42,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:23:42,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:23:42,337 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:23:42,338 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:23:42,338 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:23:42,338 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:23:42,339 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:23:42,339 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:23:42,339 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:23:42,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:23:42,340 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:23:42,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:23:42,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:23:42,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:23:42,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:23:42,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:23:42,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:23:42,342 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:23:42,342 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:23:42,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:23:42,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:23:42,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:23:42,343 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:23:42,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:23:42,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:23:42,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:23:42,344 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:23:42,346 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:23:42,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1115824e83a2d445d70fc62014a99239a945a9c [2020-10-26 04:23:42,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:23:42,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:23:42,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:23:42,852 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:23:42,852 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:23:42,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/array06_alloca.i [2020-10-26 04:23:42,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c9a9b89/e414ff36c0c3421a85610b5579eb42e1/FLAGfbb87580c [2020-10-26 04:23:43,611 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:23:43,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/array06_alloca.i [2020-10-26 04:23:43,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c9a9b89/e414ff36c0c3421a85610b5579eb42e1/FLAGfbb87580c [2020-10-26 04:23:43,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18c9a9b89/e414ff36c0c3421a85610b5579eb42e1 [2020-10-26 04:23:43,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:23:43,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:23:43,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:23:43,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:23:43,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:23:43,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:23:43" (1/1) ... [2020-10-26 04:23:43,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dfb235b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:43, skipping insertion in model container [2020-10-26 04:23:43,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:23:43" (1/1) ... [2020-10-26 04:23:43,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:23:43,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:23:44,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:23:44,299 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:23:44,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:23:44,421 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:23:44,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44 WrapperNode [2020-10-26 04:23:44,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:23:44,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:23:44,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:23:44,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:23:44,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44" (1/1) ... [2020-10-26 04:23:44,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44" (1/1) ... [2020-10-26 04:23:44,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:23:44,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:23:44,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:23:44,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:23:44,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44" (1/1) ... [2020-10-26 04:23:44,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44" (1/1) ... [2020-10-26 04:23:44,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44" (1/1) ... [2020-10-26 04:23:44,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44" (1/1) ... [2020-10-26 04:23:44,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44" (1/1) ... [2020-10-26 04:23:44,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44" (1/1) ... [2020-10-26 04:23:44,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44" (1/1) ... [2020-10-26 04:23:44,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:23:44,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:23:44,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:23:44,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:23:44,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44" (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 04:23:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 04:23:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 04:23:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:23:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 04:23:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:23:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:23:44,818 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:23:44,818 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-26 04:23:44,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:23:44 BoogieIcfgContainer [2020-10-26 04:23:44,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:23:44,822 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:23:44,822 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:23:44,826 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:23:44,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:23:44,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:23:43" (1/3) ... [2020-10-26 04:23:44,829 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@698cc184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:23:44, skipping insertion in model container [2020-10-26 04:23:44,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:23:44,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:23:44" (2/3) ... [2020-10-26 04:23:44,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@698cc184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:23:44, skipping insertion in model container [2020-10-26 04:23:44,830 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:23:44,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:23:44" (3/3) ... [2020-10-26 04:23:44,832 INFO L373 chiAutomizerObserver]: Analyzing ICFG array06_alloca.i [2020-10-26 04:23:44,920 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:23:44,920 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:23:44,920 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:23:44,921 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:23:44,921 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:23:44,921 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:23:44,922 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:23:44,922 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:23:44,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-26 04:23:44,988 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-10-26 04:23:44,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:23:44,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:23:44,994 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:23:44,995 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:23:44,995 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:23:44,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-26 04:23:44,996 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-10-26 04:23:44,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:23:44,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:23:44,997 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:23:44,997 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:23:45,004 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 14#L367true assume !(main_~length~0 < 1); 5#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 11#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 15#L370-3true [2020-10-26 04:23:45,004 INFO L796 eck$LassoCheckResult]: Loop: 15#L370-3true assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet208, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet208; 13#L370-2true main_#t~post207 := main_~i~0;main_~i~0 := 1 + main_#t~post207;havoc main_#t~post207; 15#L370-3true [2020-10-26 04:23:45,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:45,011 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2020-10-26 04:23:45,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:45,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435710139] [2020-10-26 04:23:45,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:45,157 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:45,181 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:45,207 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:45,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:45,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2020-10-26 04:23:45,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:45,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026121109] [2020-10-26 04:23:45,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:45,220 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:45,227 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:45,230 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:45,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:45,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2020-10-26 04:23:45,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:45,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765770869] [2020-10-26 04:23:45,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:45,254 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:45,270 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:45,276 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:45,509 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:23:45,509 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:23:45,510 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:23:45,510 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:23:45,510 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:23:45,510 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:45,510 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:23:45,510 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:23:45,511 INFO L133 ssoRankerPreferences]: Filename of dumped script: array06_alloca.i_Iteration1_Lasso [2020-10-26 04:23:45,511 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:23:45,511 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:23:45,534 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 04:23:45,541 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 04:23:45,544 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 04:23:45,549 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 04:23:45,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:45,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:45,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:45,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:45,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:45,935 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:23:45,940 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 04:23:45,947 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 04:23:45,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:45,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:45,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:45,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:45,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:45,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:45,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:45,960 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 04:23:45,995 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 04:23:45,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:45,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:45,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:45,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:45,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:45,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:45,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:46,006 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 04:23:46,035 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 04:23:46,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:46,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:46,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:46,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:46,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:46,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:23:46,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 4 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:46,085 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 04:23:46,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:46,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:46,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:46,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:46,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:46,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:46,117 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:23:46,152 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-26 04:23:46,152 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. 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 04:23:46,163 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:46,167 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:23:46,167 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:23:46,168 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~arr~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1) = -4*ULTIMATE.start_main_~i~0 - 1*ULTIMATE.start_main_~arr~0.offset + 2*v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1 Supporting invariants [] [2020-10-26 04:23:46,209 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2020-10-26 04:23:46,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-26 04:23:46,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:23:46,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:23:46,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:23:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:23:46,286 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-26 04:23:46,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:23:46,354 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 04:23:46,371 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 [2020-10-26 04:23:46,372 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2020-10-26 04:23:46,470 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 27 states and 37 transitions. Complement of second has 9 states. [2020-10-26 04:23:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:23:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:23:46,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-10-26 04:23:46,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-26 04:23:46,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:46,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2020-10-26 04:23:46,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:46,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2020-10-26 04:23:46,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:46,480 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 37 transitions. [2020-10-26 04:23:46,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:23:46,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 10 states and 13 transitions. [2020-10-26 04:23:46,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-10-26 04:23:46,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-10-26 04:23:46,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2020-10-26 04:23:46,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:23:46,495 INFO L691 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-10-26 04:23:46,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2020-10-26 04:23:46,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-10-26 04:23:46,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-26 04:23:46,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2020-10-26 04:23:46,525 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-10-26 04:23:46,525 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-10-26 04:23:46,525 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:23:46,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2020-10-26 04:23:46,528 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:23:46,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:23:46,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:23:46,529 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:23:46,529 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:23:46,529 INFO L794 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 108#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 109#L367 assume !(main_~length~0 < 1); 113#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 114#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 115#L370-3 assume !(main_~i~0 < main_~length~0); 111#L370-4 main_~j~0 := 0; 110#L374-2 [2020-10-26 04:23:46,530 INFO L796 eck$LassoCheckResult]: Loop: 110#L374-2 assume !!(0 <= main_~j~0 && main_~j~0 < main_~length~0);call main_#t~mem209 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);main_#t~post210 := main_#t~mem209;call write~int(1 + main_#t~post210, main_~arr~0.base, main_~arr~0.offset, 4);main_~j~0 := main_~j~0 + main_#t~post210;havoc main_#t~post210;havoc main_#t~mem209; 110#L374-2 [2020-10-26 04:23:46,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:46,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815505, now seen corresponding path program 1 times [2020-10-26 04:23:46,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:46,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065672924] [2020-10-26 04:23:46,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:23:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:23:46,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065672924] [2020-10-26 04:23:46,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:23:46,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 04:23:46,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941790870] [2020-10-26 04:23:46,640 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:23:46,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:46,641 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2020-10-26 04:23:46,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:46,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130695741] [2020-10-26 04:23:46,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:46,659 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:46,669 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:46,673 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:46,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:23:46,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:23:46,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:23:46,719 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-10-26 04:23:46,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:23:46,753 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-10-26 04:23:46,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:23:46,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2020-10-26 04:23:46,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:23:46,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2020-10-26 04:23:46,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-10-26 04:23:46,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-10-26 04:23:46,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2020-10-26 04:23:46,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:23:46,758 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-10-26 04:23:46,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2020-10-26 04:23:46,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-10-26 04:23:46,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-26 04:23:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-10-26 04:23:46,761 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-10-26 04:23:46,761 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-10-26 04:23:46,761 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:23:46,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2020-10-26 04:23:46,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:23:46,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:23:46,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:23:46,764 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:23:46,765 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:23:46,765 INFO L794 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 137#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 138#L367 assume !(main_~length~0 < 1); 141#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 142#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 143#L370-3 assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet208, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet208; 144#L370-2 main_#t~post207 := main_~i~0;main_~i~0 := 1 + main_#t~post207;havoc main_#t~post207; 145#L370-3 assume !(main_~i~0 < main_~length~0); 139#L370-4 main_~j~0 := 0; 136#L374-2 [2020-10-26 04:23:46,765 INFO L796 eck$LassoCheckResult]: Loop: 136#L374-2 assume !!(0 <= main_~j~0 && main_~j~0 < main_~length~0);call main_#t~mem209 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);main_#t~post210 := main_#t~mem209;call write~int(1 + main_#t~post210, main_~arr~0.base, main_~arr~0.offset, 4);main_~j~0 := main_~j~0 + main_#t~post210;havoc main_#t~post210;havoc main_#t~mem209; 136#L374-2 [2020-10-26 04:23:46,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:46,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1182969107, now seen corresponding path program 1 times [2020-10-26 04:23:46,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:46,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65522383] [2020-10-26 04:23:46,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:46,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:46,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:46,822 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:46,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:46,823 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 2 times [2020-10-26 04:23:46,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:46,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453210282] [2020-10-26 04:23:46,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:46,834 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:46,843 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:46,845 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:46,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:46,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1982663310, now seen corresponding path program 1 times [2020-10-26 04:23:46,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:23:46,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784474789] [2020-10-26 04:23:46,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:23:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:46,875 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:23:46,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:23:46,909 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:23:47,098 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2020-10-26 04:23:47,159 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:23:47,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:23:47,160 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:23:47,160 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:23:47,160 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:23:47,160 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:47,161 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:23:47,161 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:23:47,161 INFO L133 ssoRankerPreferences]: Filename of dumped script: array06_alloca.i_Iteration3_Lasso [2020-10-26 04:23:47,161 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:23:47,161 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:23:47,165 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 04:23:47,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:23:47,171 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 04:23:47,174 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 04:23:47,177 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 04:23:47,179 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 04:23:47,182 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 04:23:47,185 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 04:23:47,296 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 04:23:47,544 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:23:47,544 INFO L489 LassoAnalysis]: Using template 'affine'. 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 04:23:47,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:23:47,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:47,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:47,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:47,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:47,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:47,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:47,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:47,559 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 04:23:47,599 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 04:23:47,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:47,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:47,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:47,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:47,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:47,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:47,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:47,607 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 [2020-10-26 04:23:47,634 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 04:23:47,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:47,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:47,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:47,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:47,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:47,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:23:47,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:47,680 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 04:23:47,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:47,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:47,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:47,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:47,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:47,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:47,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:47,684 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) [2020-10-26 04:23:47,726 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 04:23:47,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:47,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:47,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:47,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:47,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:47,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:47,729 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 [2020-10-26 04:23:47,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:47,766 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 04:23:47,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:47,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:47,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:47,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:47,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:47,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:47,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:47,770 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 04:23:47,806 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 04:23:47,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:47,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:47,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:47,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:47,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:47,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:23:47,815 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 04:23:47,849 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 04:23:47,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:47,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:47,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:47,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:47,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:47,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:23:47,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:47,892 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 04:23:47,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:47,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:47,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:47,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:47,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:47,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:23:47,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:47,963 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 04:23:47,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:47,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:47,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:47,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:47,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:47,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:47,976 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) [2020-10-26 04:23:48,012 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 04:23:48,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:48,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:48,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:48,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:48,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:23:48,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:48,026 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) [2020-10-26 04:23:48,061 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 04:23:48,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:48,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:48,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:48,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:48,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:23:48,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:23:48,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:48,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-26 04:23:48,097 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 04:23:48,103 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 04:23:48,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:48,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:48,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:48,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:48,106 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:23:48,107 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:23:48,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:48,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 04:23:48,145 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 04:23:48,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:48,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:48,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:48,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:48,148 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:23:48,148 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:23:48,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:48,150 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 [2020-10-26 04:23:48,189 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 04:23:48,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:48,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:48,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:48,192 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:23:48,195 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-26 04:23:48,195 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-10-26 04:23:48,200 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) [2020-10-26 04:23:48,241 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 04:23:48,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:48,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:48,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:48,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:48,244 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:23:48,246 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:23:48,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:48,257 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) [2020-10-26 04:23:48,293 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 04:23:48,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:48,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:48,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:48,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:48,296 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:23:48,297 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:23:48,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:48,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:48,330 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 04:23:48,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:48,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:23:48,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:48,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:48,332 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:23:48,332 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-26 04:23:48,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:23:48,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:48,360 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 04:23:48,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:48,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:48,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:48,362 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:23:48,365 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-26 04:23:48,365 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-10-26 04:23:48,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:48,412 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 04:23:48,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:48,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:48,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:48,414 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-26 04:23:48,418 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-26 04:23:48,418 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:48,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:23:48,461 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 04:23:48,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:23:48,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:23:48,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:23:48,464 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:48,490 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-26 04:23:48,490 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-10-26 04:23:48,539 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:23:48,582 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-10-26 04:23:48,582 INFO L444 ModelExtractionUtils]: 27 out of 46 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:23:48,586 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:23:48,589 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2020-10-26 04:23:48,589 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:23:48,590 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0.base) ULTIMATE.start_main_~arr~0.offset)_1 + 1 f1 = -2*ULTIMATE.start_main_~j~0 + 2*ULTIMATE.start_main_~length~0 Supporting invariants [] [2020-10-26 04:23:48,621 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-10-26 04:23:48,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-26 04:23:48,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-26 04:23:48,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-26 04:23:48,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:23:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:23:48,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:23:48,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:23:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:23:48,668 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:23:48,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:23:48,668 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 04:23:48,669 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-26 04:23:48,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-10-26 04:23:48,676 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 11 states and 13 transitions. Complement of second has 2 states. [2020-10-26 04:23:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-10-26 04:23:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-26 04:23:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 11 transitions. [2020-10-26 04:23:48,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 9 letters. Loop has 1 letters. [2020-10-26 04:23:48,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:48,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 10 letters. Loop has 1 letters. [2020-10-26 04:23:48,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:48,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 9 letters. Loop has 2 letters. [2020-10-26 04:23:48,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:23:48,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2020-10-26 04:23:48,679 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:23:48,679 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2020-10-26 04:23:48,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:23:48,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:23:48,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:23:48,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:23:48,679 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:23:48,680 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:23:48,680 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:23:48,680 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 04:23:48,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:23:48,680 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:23:48,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:23:48,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:23:48 BoogieIcfgContainer [2020-10-26 04:23:48,686 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:23:48,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:23:48,687 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:23:48,687 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:23:48,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:23:44" (3/4) ... [2020-10-26 04:23:48,690 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:23:48,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:23:48,692 INFO L168 Benchmark]: Toolchain (without parser) took 4831.55 ms. Allocated memory was 46.1 MB in the beginning and 83.9 MB in the end (delta: 37.7 MB). Free memory was 22.4 MB in the beginning and 45.3 MB in the end (delta: -22.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:48,693 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 35.7 MB. Free memory was 21.8 MB in the beginning and 21.8 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:23:48,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.38 ms. Allocated memory is still 46.1 MB. Free memory was 21.8 MB in the beginning and 28.9 MB in the end (delta: -7.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:48,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.25 ms. Allocated memory is still 46.1 MB. Free memory was 28.9 MB in the beginning and 27.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:48,695 INFO L168 Benchmark]: Boogie Preprocessor took 47.45 ms. Allocated memory is still 46.1 MB. Free memory was 27.0 MB in the beginning and 26.0 MB in the end (delta: 998.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:23:48,696 INFO L168 Benchmark]: RCFGBuilder took 302.25 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 25.9 MB in the beginning and 34.0 MB in the end (delta: -8.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:48,697 INFO L168 Benchmark]: BuchiAutomizer took 3864.60 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 33.7 MB in the beginning and 46.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:23:48,697 INFO L168 Benchmark]: Witness Printer took 3.85 ms. Allocated memory is still 83.9 MB. Free memory was 46.1 MB in the beginning and 45.3 MB in the end (delta: 760.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:23:48,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 35.7 MB. Free memory was 21.8 MB in the beginning and 21.8 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.38 ms. Allocated memory is still 46.1 MB. Free memory was 21.8 MB in the beginning and 28.9 MB in the end (delta: -7.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.25 ms. Allocated memory is still 46.1 MB. Free memory was 28.9 MB in the beginning and 27.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.45 ms. Allocated memory is still 46.1 MB. Free memory was 27.0 MB in the beginning and 26.0 MB in the end (delta: 998.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 302.25 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 25.9 MB in the beginning and 34.0 MB in the end (delta: -8.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3864.60 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 33.7 MB in the beginning and 46.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.85 ms. Allocated memory is still 83.9 MB. Free memory was 46.1 MB in the beginning and 45.3 MB in the end (delta: 760.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 -4 * i + -1 * arr + 2 * unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] and consists of 6 locations. One deterministic module has 2-nested ranking function (if -2 * unknown-#memory_int-unknown[arr][arr] + 1 > 0 then 1 else 0), (if -2 * unknown-#memory_int-unknown[arr][arr] + 1 > 0 then -2 * unknown-#memory_int-unknown[arr][arr] + 1 else -2 * j + 2 * length) and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 25 SDtfs, 30 SDslu, 11 SDs, 0 SdLazy, 30 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax100 hnf98 lsp94 ukn81 mio100 lsp67 div100 bol100 ite100 ukn100 eq174 hnf90 smp98 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 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...