./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5f124ab78fe1de31a7b2962e75db493a792ddf6096d06452ccfe4c482f36b767 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:03:57,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:03:57,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:03:57,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:03:57,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:03:57,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:03:57,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:03:57,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:03:57,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:03:57,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:03:57,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:03:57,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:03:57,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:03:57,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:03:57,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:03:57,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:03:57,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:03:57,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:03:57,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:03:57,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:03:57,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:03:57,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:03:57,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:03:57,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:03:57,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:03:57,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:03:57,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:03:57,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:03:57,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:03:57,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:03:57,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:03:57,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:03:57,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:03:57,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:03:57,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:03:57,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:03:57,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:03:57,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:03:57,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:03:57,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:03:57,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:03:57,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-15 17:03:57,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:03:57,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:03:57,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:03:57,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:03:57,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:03:57,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:03:57,746 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:03:57,747 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:03:57,747 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:03:57,747 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:03:57,748 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:03:57,748 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:03:57,748 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:03:57,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:03:57,749 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:03:57,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:03:57,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:03:57,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:03:57,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:03:57,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:03:57,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:03:57,750 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:03:57,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:03:57,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:03:57,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:03:57,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:03:57,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:03:57,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:03:57,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:03:57,752 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:03:57,753 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f124ab78fe1de31a7b2962e75db493a792ddf6096d06452ccfe4c482f36b767 [2021-12-15 17:03:57,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:03:57,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:03:57,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:03:57,992 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:03:57,992 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:03:57,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i [2021-12-15 17:03:58,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97ab98840/f3b9281bf45f4e1f82ab7ce3e311ac44/FLAGe677af4b9 [2021-12-15 17:03:58,488 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:03:58,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i [2021-12-15 17:03:58,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97ab98840/f3b9281bf45f4e1f82ab7ce3e311ac44/FLAGe677af4b9 [2021-12-15 17:03:58,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97ab98840/f3b9281bf45f4e1f82ab7ce3e311ac44 [2021-12-15 17:03:58,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:03:58,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:03:58,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:03:58,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:03:58,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:03:58,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:03:58" (1/1) ... [2021-12-15 17:03:58,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3ad7f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:58, skipping insertion in model container [2021-12-15 17:03:58,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:03:58" (1/1) ... [2021-12-15 17:03:58,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:03:58,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:03:59,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:03:59,115 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:03:59,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:03:59,188 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:03:59,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59 WrapperNode [2021-12-15 17:03:59,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:03:59,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:03:59,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:03:59,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:03:59,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59" (1/1) ... [2021-12-15 17:03:59,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59" (1/1) ... [2021-12-15 17:03:59,233 INFO L137 Inliner]: procedures = 111, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2021-12-15 17:03:59,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:03:59,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:03:59,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:03:59,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:03:59,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59" (1/1) ... [2021-12-15 17:03:59,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59" (1/1) ... [2021-12-15 17:03:59,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59" (1/1) ... [2021-12-15 17:03:59,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59" (1/1) ... [2021-12-15 17:03:59,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59" (1/1) ... [2021-12-15 17:03:59,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59" (1/1) ... [2021-12-15 17:03:59,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59" (1/1) ... [2021-12-15 17:03:59,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:03:59,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:03:59,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:03:59,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:03:59,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59" (1/1) ... [2021-12-15 17:03:59,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:03:59,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:03:59,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:03:59,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:03:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:03:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:03:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:03:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:03:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:03:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:03:59,391 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:03:59,392 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:03:59,529 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:03:59,534 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:03:59,536 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:03:59,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:03:59 BoogieIcfgContainer [2021-12-15 17:03:59,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:03:59,538 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:03:59,538 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:03:59,544 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:03:59,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:03:59,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:03:58" (1/3) ... [2021-12-15 17:03:59,546 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e620464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:03:59, skipping insertion in model container [2021-12-15 17:03:59,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:03:59,547 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:03:59" (2/3) ... [2021-12-15 17:03:59,547 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e620464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:03:59, skipping insertion in model container [2021-12-15 17:03:59,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:03:59,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:03:59" (3/3) ... [2021-12-15 17:03:59,549 INFO L388 chiAutomizerObserver]: Analyzing ICFG stroeder2-alloca-2.i [2021-12-15 17:03:59,600 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:03:59,600 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:03:59,600 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:03:59,600 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:03:59,600 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:03:59,600 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:03:59,600 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:03:59,600 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:03:59,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:59,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-15 17:03:59,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:59,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:59,644 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-15 17:03:59,644 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:03:59,644 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:03:59,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:59,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-15 17:03:59,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:59,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:59,648 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-15 17:03:59,648 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:03:59,654 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 11#L564true assume !(main_~array_size~0#1 < 1); 12#L564-2true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;assume { :begin_inline_sumOfThirdBytes } true;sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset, sumOfThirdBytes_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sumOfThirdBytes_#res#1;havoc sumOfThirdBytes_#t~post4#1, sumOfThirdBytes_#t~mem5#1, sumOfThirdBytes_#t~post6#1, sumOfThirdBytes_#t~mem3#1, sumOfThirdBytes_#t~post2#1, sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset, sumOfThirdBytes_~array_size#1, sumOfThirdBytes_~i~0#1, sumOfThirdBytes_~sum~0#1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset := sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset;sumOfThirdBytes_~array_size#1 := sumOfThirdBytes_#in~array_size#1;havoc sumOfThirdBytes_~i~0#1;havoc sumOfThirdBytes_~sum~0#1;havoc sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~sum~0#1 := 0;sumOfThirdBytes_~i~0#1 := 0; 5#L552-3true [2021-12-15 17:03:59,655 INFO L793 eck$LassoCheckResult]: Loop: 5#L552-3true assume !!(sumOfThirdBytes_~i~0#1 < sumOfThirdBytes_~array_size#1);sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset + 4 * sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~p~0#1.base, 2 + sumOfThirdBytes_~p~0#1.offset; 7#L555-3true assume !true; 10#L552-2true sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1; 5#L552-3true [2021-12-15 17:03:59,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:59,661 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-12-15 17:03:59,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:59,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146535668] [2021-12-15 17:03:59,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:59,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:59,781 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:03:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:03:59,826 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:03:59,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:59,834 INFO L85 PathProgramCache]: Analyzing trace with hash 47058, now seen corresponding path program 1 times [2021-12-15 17:03:59,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:59,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61049690] [2021-12-15 17:03:59,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:59,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:03:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:03:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:03:59,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:03:59,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61049690] [2021-12-15 17:03:59,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61049690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:03:59,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:03:59,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:03:59,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121638115] [2021-12-15 17:03:59,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:03:59,910 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:03:59,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:03:59,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 17:03:59,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 17:03:59,942 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:59,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:03:59,948 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-12-15 17:03:59,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 17:03:59,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2021-12-15 17:03:59,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-15 17:03:59,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 8 states and 10 transitions. [2021-12-15 17:03:59,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-15 17:03:59,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-15 17:03:59,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-12-15 17:03:59,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:03:59,961 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-15 17:03:59,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-12-15 17:03:59,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-12-15 17:03:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:03:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-12-15 17:03:59,983 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-15 17:03:59,984 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-15 17:03:59,984 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:03:59,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2021-12-15 17:03:59,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-15 17:03:59,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:03:59,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:03:59,985 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-15 17:03:59,985 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-15 17:03:59,986 INFO L791 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 40#L564 assume !(main_~array_size~0#1 < 1); 41#L564-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;assume { :begin_inline_sumOfThirdBytes } true;sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset, sumOfThirdBytes_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sumOfThirdBytes_#res#1;havoc sumOfThirdBytes_#t~post4#1, sumOfThirdBytes_#t~mem5#1, sumOfThirdBytes_#t~post6#1, sumOfThirdBytes_#t~mem3#1, sumOfThirdBytes_#t~post2#1, sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset, sumOfThirdBytes_~array_size#1, sumOfThirdBytes_~i~0#1, sumOfThirdBytes_~sum~0#1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset := sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset;sumOfThirdBytes_~array_size#1 := sumOfThirdBytes_#in~array_size#1;havoc sumOfThirdBytes_~i~0#1;havoc sumOfThirdBytes_~sum~0#1;havoc sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~sum~0#1 := 0;sumOfThirdBytes_~i~0#1 := 0; 35#L552-3 [2021-12-15 17:03:59,986 INFO L793 eck$LassoCheckResult]: Loop: 35#L552-3 assume !!(sumOfThirdBytes_~i~0#1 < sumOfThirdBytes_~array_size#1);sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset + 4 * sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~p~0#1.base, 2 + sumOfThirdBytes_~p~0#1.offset; 38#L555-3 call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1); 39#L555-1 assume !(sumOfThirdBytes_#t~mem3#1 > 0);havoc sumOfThirdBytes_#t~mem3#1; 34#L552-2 sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1; 35#L552-3 [2021-12-15 17:03:59,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:03:59,987 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-12-15 17:03:59,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:03:59,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018007907] [2021-12-15 17:03:59,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:03:59,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:04:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:00,017 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:04:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:00,027 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:04:00,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:00,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1451916, now seen corresponding path program 1 times [2021-12-15 17:04:00,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:04:00,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627628354] [2021-12-15 17:04:00,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:04:00,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:04:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:00,035 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:04:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:00,041 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:04:00,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:00,041 INFO L85 PathProgramCache]: Analyzing trace with hash 176797040, now seen corresponding path program 1 times [2021-12-15 17:04:00,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:04:00,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128815873] [2021-12-15 17:04:00,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:04:00,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:04:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:00,062 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:04:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:00,084 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:04:00,432 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:04:00,432 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:04:00,433 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:04:00,433 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:04:00,433 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:04:00,433 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:00,433 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:04:00,433 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:04:00,434 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-2.i_Iteration2_Lasso [2021-12-15 17:04:00,434 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:04:00,434 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:04:00,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:00,805 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:04:00,809 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:04:00,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:00,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:00,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:00,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:00,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-15 17:04:00,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:00,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:00,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:00,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:00,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:00,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:00,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:00,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:00,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:00,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:00,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:00,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:00,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-15 17:04:00,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:00,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:00,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:00,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:00,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:00,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:00,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:00,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:00,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:00,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:00,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:00,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:00,902 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:00,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-15 17:04:00,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:00,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:00,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:00,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:00,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:00,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:00,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:00,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:00,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:00,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:00,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:00,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:00,958 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:00,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:00,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-15 17:04:00,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:00,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:00,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:00,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:00,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:00,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:00,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:00,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:01,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:01,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:01,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:01,010 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:01,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:01,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-15 17:04:01,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:01,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:01,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:01,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:01,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:01,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:01,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:01,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:01,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:01,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:01,063 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:01,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-15 17:04:01,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:01,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:01,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:01,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:01,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:01,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:01,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:01,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:01,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:01,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:01,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:01,128 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:01,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-15 17:04:01,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:01,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:01,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:01,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:01,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:01,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:01,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:01,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:01,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:01,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-15 17:04:01,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:01,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:01,161 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:01,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-15 17:04:01,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:01,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:01,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:01,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:01,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:01,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:01,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:01,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:01,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-15 17:04:01,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:01,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:01,202 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:01,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-15 17:04:01,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:01,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:01,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:01,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:01,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:01,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:01,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:01,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:01,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-15 17:04:01,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:01,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:01,237 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:01,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-15 17:04:01,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:01,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:01,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:01,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:01,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:01,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:01,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:01,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:01,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:01,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:01,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:01,267 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:01,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-15 17:04:01,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:01,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:01,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:01,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:01,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:01,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:01,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:01,294 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:04:01,307 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-15 17:04:01,307 INFO L444 ModelExtractionUtils]: 31 out of 37 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-15 17:04:01,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:01,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:01,316 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:01,374 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:04:01,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-15 17:04:01,392 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:04:01,392 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:04:01,393 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~i~0#1, ULTIMATE.start_sumOfThirdBytes_~array_size#1) = -1*ULTIMATE.start_sumOfThirdBytes_~i~0#1 + 1*ULTIMATE.start_sumOfThirdBytes_~array_size#1 Supporting invariants [] [2021-12-15 17:04:01,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:01,422 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-12-15 17:04:01,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:04:01,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:04:01,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:04:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:04:01,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 17:04:01,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:04:01,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:04:01,508 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-15 17:04:01,509 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:01,537 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 4 states. [2021-12-15 17:04:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-15 17:04:01,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:01,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-12-15 17:04:01,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 4 letters. Loop has 4 letters. [2021-12-15 17:04:01,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:04:01,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-15 17:04:01,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:04:01,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 4 letters. Loop has 8 letters. [2021-12-15 17:04:01,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:04:01,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 17 transitions. [2021-12-15 17:04:01,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:04:01,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 12 states and 16 transitions. [2021-12-15 17:04:01,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-15 17:04:01,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-15 17:04:01,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-12-15 17:04:01,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:04:01,543 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-12-15 17:04:01,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-12-15 17:04:01,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-12-15 17:04:01,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2021-12-15 17:04:01,545 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-12-15 17:04:01,545 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-12-15 17:04:01,545 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:04:01,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2021-12-15 17:04:01,545 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:04:01,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:04:01,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:04:01,546 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:04:01,546 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:04:01,546 INFO L791 eck$LassoCheckResult]: Stem: 105#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 106#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 112#L564 assume !(main_~array_size~0#1 < 1); 113#L564-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;assume { :begin_inline_sumOfThirdBytes } true;sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset, sumOfThirdBytes_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sumOfThirdBytes_#res#1;havoc sumOfThirdBytes_#t~post4#1, sumOfThirdBytes_#t~mem5#1, sumOfThirdBytes_#t~post6#1, sumOfThirdBytes_#t~mem3#1, sumOfThirdBytes_#t~post2#1, sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset, sumOfThirdBytes_~array_size#1, sumOfThirdBytes_~i~0#1, sumOfThirdBytes_~sum~0#1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset := sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset;sumOfThirdBytes_~array_size#1 := sumOfThirdBytes_#in~array_size#1;havoc sumOfThirdBytes_~i~0#1;havoc sumOfThirdBytes_~sum~0#1;havoc sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~sum~0#1 := 0;sumOfThirdBytes_~i~0#1 := 0; 107#L552-3 assume !!(sumOfThirdBytes_~i~0#1 < sumOfThirdBytes_~array_size#1);sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset + 4 * sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~p~0#1.base, 2 + sumOfThirdBytes_~p~0#1.offset; 109#L555-3 [2021-12-15 17:04:01,547 INFO L793 eck$LassoCheckResult]: Loop: 109#L555-3 call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1); 110#L555-1 assume !!(sumOfThirdBytes_#t~mem3#1 > 0);havoc sumOfThirdBytes_#t~mem3#1;sumOfThirdBytes_#t~post4#1 := sumOfThirdBytes_~sum~0#1;sumOfThirdBytes_~sum~0#1 := 1 + sumOfThirdBytes_#t~post4#1;havoc sumOfThirdBytes_#t~post4#1;call sumOfThirdBytes_#t~mem5#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);sumOfThirdBytes_#t~post6#1 := sumOfThirdBytes_#t~mem5#1;call write~int(sumOfThirdBytes_#t~post6#1 - 1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);havoc sumOfThirdBytes_#t~mem5#1;havoc sumOfThirdBytes_#t~post6#1; 109#L555-3 [2021-12-15 17:04:01,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:01,547 INFO L85 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2021-12-15 17:04:01,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:04:01,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209252592] [2021-12-15 17:04:01,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:04:01,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:04:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:01,574 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:04:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:01,582 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:04:01,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:01,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 1 times [2021-12-15 17:04:01,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:04:01,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976160498] [2021-12-15 17:04:01,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:04:01,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:04:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:01,593 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:04:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:01,600 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:04:01,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:01,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2021-12-15 17:04:01,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:04:01,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854941696] [2021-12-15 17:04:01,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:04:01,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:04:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:01,624 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:04:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:01,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:04:01,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:01,957 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:04:01,958 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:04:01,958 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:04:01,958 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:04:01,958 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:04:01,958 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:01,958 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:04:01,958 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:04:01,959 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-2.i_Iteration3_Lasso [2021-12-15 17:04:01,959 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:04:01,959 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:04:01,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:01,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:01,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:01,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:01,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:01,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:01,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:01,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:01,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:02,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:02,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:02,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:02,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:02,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:02,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:02,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:02,353 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:04:02,353 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:04:02,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,358 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:02,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:02,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:02,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-15 17:04:02,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:02,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:02,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,414 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:02,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:02,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:02,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-15 17:04:02,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:02,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:02,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,460 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-15 17:04:02,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:02,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:02,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:02,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:02,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:02,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,509 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-15 17:04:02,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:02,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:02,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:02,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:02,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:02,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,535 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-15 17:04:02,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:02,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:02,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:02,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:02,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:02,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,561 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-15 17:04:02,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:02,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:02,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:02,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-15 17:04:02,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,601 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-15 17:04:02,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:02,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:02,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:02,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:02,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,649 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-15 17:04:02,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:02,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:02,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:02,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:02,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,705 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:02,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:02,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-15 17:04:02,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:02,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-15 17:04:02,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,746 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-15 17:04:02,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:02,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:02,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:02,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-15 17:04:02,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,801 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-15 17:04:02,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:02,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:02,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:02,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-15 17:04:02,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,840 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-15 17:04:02,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:02,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:02,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:02,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:02,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:02,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:02,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:02,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:02,871 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:04:02,874 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-15 17:04:02,874 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-15 17:04:02,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:02,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:02,876 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:02,883 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:04:02,884 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-15 17:04:02,884 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:04:02,884 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0#1.base) ULTIMATE.start_sumOfThirdBytes_~p~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0#1.base) ULTIMATE.start_sumOfThirdBytes_~p~0#1.offset)_2 Supporting invariants [] [2021-12-15 17:04:02,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-15 17:04:02,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:02,914 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-12-15 17:04:02,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:04:02,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:04:02,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:04:02,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:04:02,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-15 17:04:02,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:04:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:04:02,993 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-15 17:04:02,994 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:03,007 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 29 transitions. Complement of second has 7 states. [2021-12-15 17:04:03,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:04:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:03,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-12-15 17:04:03,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-15 17:04:03,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:04:03,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-15 17:04:03,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:04:03,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-15 17:04:03,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:04:03,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2021-12-15 17:04:03,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:04:03,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 16 states and 21 transitions. [2021-12-15 17:04:03,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-15 17:04:03,012 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-12-15 17:04:03,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-12-15 17:04:03,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:04:03,012 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-12-15 17:04:03,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-12-15 17:04:03,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2021-12-15 17:04:03,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:03,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2021-12-15 17:04:03,014 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-12-15 17:04:03,014 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-12-15 17:04:03,014 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:04:03,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2021-12-15 17:04:03,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:04:03,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:04:03,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:04:03,015 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:04:03,015 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:04:03,016 INFO L791 eck$LassoCheckResult]: Stem: 195#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 203#L564 assume !(main_~array_size~0#1 < 1); 204#L564-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;assume { :begin_inline_sumOfThirdBytes } true;sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset, sumOfThirdBytes_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sumOfThirdBytes_#res#1;havoc sumOfThirdBytes_#t~post4#1, sumOfThirdBytes_#t~mem5#1, sumOfThirdBytes_#t~post6#1, sumOfThirdBytes_#t~mem3#1, sumOfThirdBytes_#t~post2#1, sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset, sumOfThirdBytes_~array_size#1, sumOfThirdBytes_~i~0#1, sumOfThirdBytes_~sum~0#1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset := sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset;sumOfThirdBytes_~array_size#1 := sumOfThirdBytes_#in~array_size#1;havoc sumOfThirdBytes_~i~0#1;havoc sumOfThirdBytes_~sum~0#1;havoc sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~sum~0#1 := 0;sumOfThirdBytes_~i~0#1 := 0; 197#L552-3 assume !!(sumOfThirdBytes_~i~0#1 < sumOfThirdBytes_~array_size#1);sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset + 4 * sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~p~0#1.base, 2 + sumOfThirdBytes_~p~0#1.offset; 198#L555-3 call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1); 206#L555-1 assume !(sumOfThirdBytes_#t~mem3#1 > 0);havoc sumOfThirdBytes_#t~mem3#1; 193#L552-2 sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1; 194#L552-3 assume !!(sumOfThirdBytes_~i~0#1 < sumOfThirdBytes_~array_size#1);sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset + 4 * sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~p~0#1.base, 2 + sumOfThirdBytes_~p~0#1.offset; 200#L555-3 [2021-12-15 17:04:03,016 INFO L793 eck$LassoCheckResult]: Loop: 200#L555-3 call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1); 201#L555-1 assume !!(sumOfThirdBytes_#t~mem3#1 > 0);havoc sumOfThirdBytes_#t~mem3#1;sumOfThirdBytes_#t~post4#1 := sumOfThirdBytes_~sum~0#1;sumOfThirdBytes_~sum~0#1 := 1 + sumOfThirdBytes_#t~post4#1;havoc sumOfThirdBytes_#t~post4#1;call sumOfThirdBytes_#t~mem5#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);sumOfThirdBytes_#t~post6#1 := sumOfThirdBytes_#t~mem5#1;call write~int(sumOfThirdBytes_#t~post6#1 - 1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);havoc sumOfThirdBytes_#t~mem5#1;havoc sumOfThirdBytes_#t~post6#1; 200#L555-3 [2021-12-15 17:04:03,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:03,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1185740961, now seen corresponding path program 2 times [2021-12-15 17:04:03,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:04:03,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576753375] [2021-12-15 17:04:03,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:04:03,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:04:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:03,026 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:04:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:03,036 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:04:03,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:03,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 2 times [2021-12-15 17:04:03,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:04:03,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080356295] [2021-12-15 17:04:03,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:04:03,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:04:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:03,041 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:04:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:03,044 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:04:03,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:03,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1330730790, now seen corresponding path program 1 times [2021-12-15 17:04:03,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:04:03,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051705915] [2021-12-15 17:04:03,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:04:03,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:04:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:03,056 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:04:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:04:03,066 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:04:03,349 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:04:03,349 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:04:03,350 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:04:03,350 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:04:03,350 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:04:03,350 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:03,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:04:03,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:04:03,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-2.i_Iteration4_Lasso [2021-12-15 17:04:03,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:04:03,350 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:04:03,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:04:03,745 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:04:03,745 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:04:03,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:03,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:03,747 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:03,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-15 17:04:03,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:03,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:03,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:03,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:03,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:03,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:03,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:03,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:03,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:03,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:03,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:03,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:03,791 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:03,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:03,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-15 17:04:03,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:03,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:03,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:03,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:03,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:03,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:03,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:03,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-15 17:04:03,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:03,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:03,821 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:03,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-15 17:04:03,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:03,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:03,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:03,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:03,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:03,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:03,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:03,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:03,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:03,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:03,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:03,890 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:03,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-15 17:04:03,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:03,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:03,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:03,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:03,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:03,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:03,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:03,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:03,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-15 17:04:03,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:03,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:03,928 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:03,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-15 17:04:03,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:03,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:03,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:03,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:03,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:03,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:04:03,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:04:03,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:04:03,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-15 17:04:03,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:03,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:03,967 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:03,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-15 17:04:03,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:04:03,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:04:03,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:04:03,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:04:03,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:04:03,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:04:03,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:04:03,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:04:04,015 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:04:04,018 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-15 17:04:04,018 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-15 17:04:04,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:04:04,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:04:04,020 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:04:04,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-15 17:04:04,026 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:04:04,027 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-15 17:04:04,027 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:04:04,027 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0#1.base) ULTIMATE.start_sumOfThirdBytes_~p~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0#1.base) ULTIMATE.start_sumOfThirdBytes_~p~0#1.offset)_3 Supporting invariants [] [2021-12-15 17:04:04,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-15 17:04:04,065 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2021-12-15 17:04:04,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:04:04,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:04:04,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:04:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:04:04,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-15 17:04:04,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:04:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:04:04,133 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-15 17:04:04,133 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:04,149 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 25 transitions. Complement of second has 7 states. [2021-12-15 17:04:04,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:04:04,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-12-15 17:04:04,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-15 17:04:04,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:04:04,151 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:04:04,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:04:04,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:04:04,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:04:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:04:04,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-15 17:04:04,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:04:04,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:04:04,224 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-15 17:04:04,224 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:04,236 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 25 transitions. Complement of second has 7 states. [2021-12-15 17:04:04,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:04:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-12-15 17:04:04,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-15 17:04:04,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:04:04,238 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:04:04,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:04:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:04:04,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:04:04,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:04:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:04:04,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-15 17:04:04,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:04:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:04:04,296 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-15 17:04:04,296 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:04,314 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 27 transitions. Complement of second has 6 states. [2021-12-15 17:04:04,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:04:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:04:04,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-12-15 17:04:04,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-15 17:04:04,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:04:04,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-15 17:04:04,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:04:04,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 9 letters. Loop has 4 letters. [2021-12-15 17:04:04,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:04:04,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2021-12-15 17:04:04,321 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:04:04,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2021-12-15 17:04:04,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-15 17:04:04,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-15 17:04:04,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-15 17:04:04,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:04:04,321 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:04:04,321 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:04:04,322 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:04:04,322 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-15 17:04:04,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-15 17:04:04,322 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:04:04,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-15 17:04:04,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.12 05:04:04 BoogieIcfgContainer [2021-12-15 17:04:04,334 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-15 17:04:04,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 17:04:04,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 17:04:04,335 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 17:04:04,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:03:59" (3/4) ... [2021-12-15 17:04:04,337 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 17:04:04,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 17:04:04,338 INFO L158 Benchmark]: Toolchain (without parser) took 5501.34ms. Allocated memory was 102.8MB in the beginning and 151.0MB in the end (delta: 48.2MB). Free memory was 73.3MB in the beginning and 89.5MB in the end (delta: -16.2MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2021-12-15 17:04:04,338 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:04:04,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.03ms. Allocated memory is still 102.8MB. Free memory was 73.0MB in the beginning and 73.2MB in the end (delta: -200.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:04:04,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.09ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 71.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:04:04,339 INFO L158 Benchmark]: Boogie Preprocessor took 30.58ms. Allocated memory is still 102.8MB. Free memory was 71.6MB in the beginning and 70.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:04:04,339 INFO L158 Benchmark]: RCFGBuilder took 270.92ms. Allocated memory is still 102.8MB. Free memory was 70.3MB in the beginning and 60.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:04:04,340 INFO L158 Benchmark]: BuchiAutomizer took 4796.10ms. Allocated memory was 102.8MB in the beginning and 151.0MB in the end (delta: 48.2MB). Free memory was 60.3MB in the beginning and 89.5MB in the end (delta: -29.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-12-15 17:04:04,340 INFO L158 Benchmark]: Witness Printer took 2.67ms. Allocated memory is still 151.0MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:04:04,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.03ms. Allocated memory is still 102.8MB. Free memory was 73.0MB in the beginning and 73.2MB in the end (delta: -200.4kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.09ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 71.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.58ms. Allocated memory is still 102.8MB. Free memory was 71.6MB in the beginning and 70.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 270.92ms. Allocated memory is still 102.8MB. Free memory was 70.3MB in the beginning and 60.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4796.10ms. Allocated memory was 102.8MB in the beginning and 151.0MB in the end (delta: 48.2MB). Free memory was 60.3MB in the beginning and 89.5MB in the end (delta: -29.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Witness Printer took 2.67ms. Allocated memory is still 151.0MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * i + array_size and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 59 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital127 mio100 ax114 hnf100 lsp79 ukn85 mio100 lsp54 div100 bol100 ite100 ukn100 eq193 hnf89 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-15 17:04:04,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-15 17:04:04,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE