./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 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/a.05-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5dfaa1e7d8e11d61c3d4d0b8b3724f22fd323b68a720b01bc26596e3781d27f8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:02:25,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:02:25,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:02:25,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:02:25,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:02:25,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:02:25,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:02:25,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:02:25,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:02:25,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:02:25,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:02:25,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:02:25,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:02:25,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:02:25,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:02:25,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:02:25,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:02:25,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:02:25,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:02:25,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:02:25,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:02:25,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:02:25,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:02:25,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:02:25,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:02:25,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:02:25,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:02:25,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:02:25,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:02:25,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:02:25,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:02:25,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:02:25,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:02:25,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:02:25,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:02:25,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:02:25,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:02:25,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:02:25,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:02:25,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:02:25,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:02:25,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-21 22:02:25,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:02:25,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:02:25,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:02:25,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:02:25,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:02:25,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:02:25,603 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:02:25,603 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:02:25,604 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:02:25,604 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:02:25,604 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:02:25,604 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:02:25,605 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:02:25,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:02:25,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:02:25,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:02:25,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:02:25,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:02:25,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:02:25,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:02:25,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:02:25,606 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:02:25,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:02:25,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:02:25,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:02:25,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:02:25,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:02:25,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:02:25,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:02:25,607 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:02:25,607 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dfaa1e7d8e11d61c3d4d0b8b3724f22fd323b68a720b01bc26596e3781d27f8 [2021-12-21 22:02:25,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:02:25,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:02:25,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:02:25,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:02:25,776 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:02:25,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2021-12-21 22:02:25,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54e845c6c/9663eb54043548528192e8051892b1f8/FLAGcdc53d377 [2021-12-21 22:02:26,142 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:02:26,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2021-12-21 22:02:26,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54e845c6c/9663eb54043548528192e8051892b1f8/FLAGcdc53d377 [2021-12-21 22:02:26,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54e845c6c/9663eb54043548528192e8051892b1f8 [2021-12-21 22:02:26,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:02:26,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:02:26,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:02:26,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:02:26,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:02:26,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cde11b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26, skipping insertion in model container [2021-12-21 22:02:26,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:02:26,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:02:26,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:02:26,846 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:02:26,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:02:26,906 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:02:26,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26 WrapperNode [2021-12-21 22:02:26,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:02:26,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:02:26,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:02:26,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:02:26,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,947 INFO L137 Inliner]: procedures = 111, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2021-12-21 22:02:26,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:02:26,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:02:26,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:02:26,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:02:26,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:02:26,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:02:26,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:02:26,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:02:26,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26" (1/1) ... [2021-12-21 22:02:26,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:27,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:27,045 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) [2021-12-21 22:02:27,049 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 [2021-12-21 22:02:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 22:02:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 22:02:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 22:02:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 22:02:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:02:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:02:27,124 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:02:27,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:02:27,213 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:02:27,217 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:02:27,217 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 22:02:27,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:02:27 BoogieIcfgContainer [2021-12-21 22:02:27,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:02:27,219 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:02:27,219 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:02:27,221 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:02:27,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:02:27,222 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:02:26" (1/3) ... [2021-12-21 22:02:27,223 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@225e563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:02:27, skipping insertion in model container [2021-12-21 22:02:27,223 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:02:27,223 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:02:26" (2/3) ... [2021-12-21 22:02:27,224 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@225e563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:02:27, skipping insertion in model container [2021-12-21 22:02:27,224 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:02:27,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:02:27" (3/3) ... [2021-12-21 22:02:27,225 INFO L388 chiAutomizerObserver]: Analyzing ICFG a.05-alloca.i [2021-12-21 22:02:27,251 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:02:27,251 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:02:27,251 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:02:27,251 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:02:27,251 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:02:27,251 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:02:27,251 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:02:27,252 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:02:27,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-12-21 22:02:27,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:02:27,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:27,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:27,276 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-21 22:02:27,277 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:02:27,277 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:02:27,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-12-21 22:02:27,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-21 22:02:27,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:27,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:27,278 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-21 22:02:27,278 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-21 22:02:27,282 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~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem10#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 10#L555-5true [2021-12-21 22:02:27,283 INFO L793 eck$LassoCheckResult]: Loop: 10#L555-5true call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 < 2147483647; 11#L555-1true assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 >= 1 + test_fun_#t~mem6#1; 6#L555-3true assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem9#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 10#L555-5true [2021-12-21 22:02:27,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:27,286 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-21 22:02:27,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:27,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866275476] [2021-12-21 22:02:27,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:27,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:27,435 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:27,472 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:27,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:27,474 INFO L85 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2021-12-21 22:02:27,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:27,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180817098] [2021-12-21 22:02:27,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:27,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:27,486 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:27,494 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:27,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:27,495 INFO L85 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2021-12-21 22:02:27,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:27,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578039571] [2021-12-21 22:02:27,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:27,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:27,536 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:27,557 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:28,188 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:02:28,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:02:28,190 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:02:28,190 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:02:28,190 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:02:28,190 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:28,191 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:02:28,191 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:02:28,191 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.05-alloca.i_Iteration1_Lasso [2021-12-21 22:02:28,192 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:02:28,192 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:02:28,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:28,898 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:02:28,901 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:02:28,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:28,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:28,903 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) [2021-12-21 22:02:28,904 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 [2021-12-21 22:02:28,918 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 [2021-12-21 22:02:28,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:28,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:28,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:28,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:28,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:28,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:28,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:28,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:28,959 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 [2021-12-21 22:02:28,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:28,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:28,961 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) [2021-12-21 22:02:28,968 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 [2021-12-21 22:02:28,968 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 [2021-12-21 22:02:28,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:28,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:28,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:28,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:28,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:28,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:28,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:28,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,008 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 [2021-12-21 22:02:29,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,010 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) [2021-12-21 22:02:29,011 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 [2021-12-21 22:02:29,012 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 [2021-12-21 22:02:29,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,052 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 [2021-12-21 22:02:29,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,053 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) [2021-12-21 22:02:29,054 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 [2021-12-21 22:02:29,056 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 [2021-12-21 22:02:29,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,082 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 [2021-12-21 22:02:29,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,083 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) [2021-12-21 22:02:29,084 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 [2021-12-21 22:02:29,086 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 [2021-12-21 22:02:29,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-21 22:02:29,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,126 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) [2021-12-21 22:02:29,127 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 [2021-12-21 22:02:29,128 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 [2021-12-21 22:02:29,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:29,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:29,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:29,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,165 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 [2021-12-21 22:02:29,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,167 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) [2021-12-21 22:02:29,168 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 [2021-12-21 22:02:29,169 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 [2021-12-21 22:02:29,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,220 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 [2021-12-21 22:02:29,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,222 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) [2021-12-21 22:02:29,222 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 [2021-12-21 22:02:29,224 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 [2021-12-21 22:02:29,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:29,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:29,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:29,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:29,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,280 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) [2021-12-21 22:02:29,281 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 [2021-12-21 22:02:29,282 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 [2021-12-21 22:02:29,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:29,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:29,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:29,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:29,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,309 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) [2021-12-21 22:02:29,309 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 [2021-12-21 22:02:29,311 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 [2021-12-21 22:02:29,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,343 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 [2021-12-21 22:02:29,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,344 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) [2021-12-21 22:02:29,345 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 [2021-12-21 22:02:29,347 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 [2021-12-21 22:02:29,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:29,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:29,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:29,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,384 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 [2021-12-21 22:02:29,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,386 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) [2021-12-21 22:02:29,393 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 [2021-12-21 22:02:29,395 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 [2021-12-21 22:02:29,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,448 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 [2021-12-21 22:02:29,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,450 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) [2021-12-21 22:02:29,451 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 [2021-12-21 22:02:29,452 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 [2021-12-21 22:02:29,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,493 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 [2021-12-21 22:02:29,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,496 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) [2021-12-21 22:02:29,497 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 [2021-12-21 22:02:29,498 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 [2021-12-21 22:02:29,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,536 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 [2021-12-21 22:02:29,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,544 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) [2021-12-21 22:02:29,544 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 [2021-12-21 22:02:29,546 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 [2021-12-21 22:02:29,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,584 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 [2021-12-21 22:02:29,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,586 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) [2021-12-21 22:02:29,587 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 [2021-12-21 22:02:29,588 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 [2021-12-21 22:02:29,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,648 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 [2021-12-21 22:02:29,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,650 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) [2021-12-21 22:02:29,651 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 [2021-12-21 22:02:29,652 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 [2021-12-21 22:02:29,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,699 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 [2021-12-21 22:02:29,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,700 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) [2021-12-21 22:02:29,702 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 [2021-12-21 22:02:29,703 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 [2021-12-21 22:02:29,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:29,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,775 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) [2021-12-21 22:02:29,832 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 [2021-12-21 22:02:29,832 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 [2021-12-21 22:02:29,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:29,867 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 [2021-12-21 22:02:29,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,876 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) [2021-12-21 22:02:29,889 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 [2021-12-21 22:02:29,890 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 [2021-12-21 22:02:29,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:29,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:29,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:29,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:29,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:29,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:29,919 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:02:29,944 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-21 22:02:29,944 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-12-21 22:02:29,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:29,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:29,947 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) [2021-12-21 22:02:29,948 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 [2021-12-21 22:02:29,949 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:02:29,970 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:02:29,971 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:02:29,971 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 + 4294967293 Supporting invariants [] [2021-12-21 22:02:30,016 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 [2021-12-21 22:02:30,065 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-12-21 22:02:30,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:30,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:02:30,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:30,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:02:30,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:02:30,243 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-21 22:02:30,244 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-12-21 22:02:30,288 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 35 states and 38 transitions. Complement of second has 9 states. [2021-12-21 22:02:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-21 22:02:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-12-21 22:02:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2021-12-21 22:02:30,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2021-12-21 22:02:30,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:30,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-21 22:02:30,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:30,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-21 22:02:30,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:30,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2021-12-21 22:02:30,297 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:02:30,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2021-12-21 22:02:30,299 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-21 22:02:30,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-21 22:02:30,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-21 22:02:30,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:02:30,299 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:02:30,299 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:02:30,299 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 22:02:30,299 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:02:30,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-21 22:02:30,300 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:02:30,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-21 22:02:30,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:02:30 BoogieIcfgContainer [2021-12-21 22:02:30,304 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:02:30,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:02:30,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:02:30,305 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:02:30,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:02:27" (3/4) ... [2021-12-21 22:02:30,307 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 22:02:30,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:02:30,308 INFO L158 Benchmark]: Toolchain (without parser) took 3729.76ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 62.2MB in the beginning and 55.4MB in the end (delta: 6.8MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2021-12-21 22:02:30,308 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:02:30,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.03ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 54.4MB in the end (delta: 7.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-12-21 22:02:30,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.87ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 52.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:02:30,309 INFO L158 Benchmark]: Boogie Preprocessor took 36.98ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 51.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:02:30,309 INFO L158 Benchmark]: RCFGBuilder took 233.60ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 40.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 22:02:30,310 INFO L158 Benchmark]: BuchiAutomizer took 3084.80ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 40.6MB in the beginning and 55.4MB in the end (delta: -14.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-12-21 22:02:30,310 INFO L158 Benchmark]: Witness Printer took 2.55ms. Allocated memory is still 125.8MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:02:30,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.03ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 54.4MB in the end (delta: 7.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.87ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 52.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.98ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 51.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 233.60ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 40.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3084.80ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 40.6MB in the beginning and 55.4MB in the end (delta: -14.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 2.55ms. Allocated memory is still 125.8MB. Free memory is still 55.4MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 4294967293 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 6 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital252 mio100 ax107 hnf100 lsp89 ukn68 mio100 lsp38 div100 bol100 ite100 ukn100 eq168 hnf89 smp90 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms 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! [2021-12-21 22:02:30,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:30,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE