./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e1ff0e6 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-crafted/Benghazi_nondet-2.c -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 2f97933f35fe6dc06fe68cfca662228239a8205559235f014a4e90d641a78f3c --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-15 02:21:37,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 02:21:37,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 02:21:37,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 02:21:37,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 02:21:37,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 02:21:37,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 02:21:37,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 02:21:37,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 02:21:37,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 02:21:37,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 02:21:37,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 02:21:37,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 02:21:37,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 02:21:37,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 02:21:37,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 02:21:37,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 02:21:37,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 02:21:37,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 02:21:37,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 02:21:37,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 02:21:37,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 02:21:37,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 02:21:37,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 02:21:37,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 02:21:37,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 02:21:37,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 02:21:37,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 02:21:37,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 02:21:37,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 02:21:37,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 02:21:37,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 02:21:37,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 02:21:37,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 02:21:37,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 02:21:37,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 02:21:37,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 02:21:37,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 02:21:37,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 02:21:37,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 02:21:37,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 02:21:37,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-15 02:21:37,516 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 02:21:37,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 02:21:37,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 02:21:37,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 02:21:37,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 02:21:37,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 02:21:37,520 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 02:21:37,520 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-15 02:21:37,520 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-15 02:21:37,520 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-15 02:21:37,521 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-15 02:21:37,521 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-15 02:21:37,521 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-15 02:21:37,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 02:21:37,522 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 02:21:37,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 02:21:37,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 02:21:37,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-15 02:21:37,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-15 02:21:37,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-15 02:21:37,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 02:21:37,522 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-15 02:21:37,523 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 02:21:37,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-15 02:21:37,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 02:21:37,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 02:21:37,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 02:21:37,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 02:21:37,524 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-15 02:21:37,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f97933f35fe6dc06fe68cfca662228239a8205559235f014a4e90d641a78f3c [2023-02-15 02:21:37,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 02:21:37,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 02:21:37,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 02:21:37,800 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 02:21:37,800 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 02:21:37,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c [2023-02-15 02:21:39,026 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 02:21:39,129 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 02:21:39,130 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c [2023-02-15 02:21:39,134 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/931694314/12b47083adbc445e8cb75ffe0ca04f01/FLAGc3eadaaf9 [2023-02-15 02:21:39,144 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/931694314/12b47083adbc445e8cb75ffe0ca04f01 [2023-02-15 02:21:39,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 02:21:39,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 02:21:39,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 02:21:39,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 02:21:39,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 02:21:39,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6268ea53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39, skipping insertion in model container [2023-02-15 02:21:39,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 02:21:39,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 02:21:39,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:21:39,253 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 02:21:39,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 02:21:39,270 INFO L208 MainTranslator]: Completed translation [2023-02-15 02:21:39,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39 WrapperNode [2023-02-15 02:21:39,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 02:21:39,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 02:21:39,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 02:21:39,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 02:21:39,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,290 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2023-02-15 02:21:39,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 02:21:39,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 02:21:39,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 02:21:39,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 02:21:39,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,302 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 02:21:39,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 02:21:39,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 02:21:39,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 02:21:39,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (1/1) ... [2023-02-15 02:21:39,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:39,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:39,327 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) [2023-02-15 02:21:39,329 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 [2023-02-15 02:21:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 02:21:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 02:21:39,459 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 02:21:39,475 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 02:21:39,566 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 02:21:39,570 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 02:21:39,570 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 02:21:39,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:21:39 BoogieIcfgContainer [2023-02-15 02:21:39,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 02:21:39,573 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-15 02:21:39,573 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-15 02:21:39,575 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-15 02:21:39,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:21:39,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.02 02:21:39" (1/3) ... [2023-02-15 02:21:39,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f5573d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:21:39, skipping insertion in model container [2023-02-15 02:21:39,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:21:39,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:21:39" (2/3) ... [2023-02-15 02:21:39,578 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f5573d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.02 02:21:39, skipping insertion in model container [2023-02-15 02:21:39,578 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-15 02:21:39,578 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:21:39" (3/3) ... [2023-02-15 02:21:39,579 INFO L332 chiAutomizerObserver]: Analyzing ICFG Benghazi_nondet-2.c [2023-02-15 02:21:39,644 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-15 02:21:39,644 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-15 02:21:39,645 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-15 02:21:39,645 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-15 02:21:39,645 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-15 02:21:39,645 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-15 02:21:39,645 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-15 02:21:39,645 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-15 02:21:39,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2023-02-15 02:21:39,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-15 02:21:39,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:21:39,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:21:39,666 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-15 02:21:39,667 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-15 02:21:39,667 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-15 02:21:39,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2023-02-15 02:21:39,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-15 02:21:39,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-15 02:21:39,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-15 02:21:39,669 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-15 02:21:39,670 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-15 02:21:39,676 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~d1~0#1, main_~d2~0#1, main_~d1old~0#1;havoc main_~x~0#1;havoc main_~d1~0#1;havoc main_~d2~0#1;havoc main_~d1old~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~d1~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~d2~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3#L18true assume !!(-1048575 <= main_~x~0#1 && main_~x~0#1 <= 1048575); 9#L19true assume !!(-1048575 <= main_~d1~0#1 && main_~d1~0#1 <= 1048575); 10#L20true assume !!(-1048575 <= main_~d2~0#1 && main_~d2~0#1 <= 1048575); 7#L21-2true [2023-02-15 02:21:39,676 INFO L750 eck$LassoCheckResult]: Loop: 7#L21-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~d1~0#1;main_~d1old~0#1 := main_~d1~0#1;main_~d1~0#1 := 1 + main_~d2~0#1;main_~d2~0#1 := 1 + main_~d1old~0#1; 7#L21-2true [2023-02-15 02:21:39,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:21:39,681 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2023-02-15 02:21:39,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:21:39,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942199922] [2023-02-15 02:21:39,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:21:39,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:21:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:21:39,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:21:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:21:39,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:21:39,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:21:39,835 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2023-02-15 02:21:39,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:21:39,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439864503] [2023-02-15 02:21:39,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:21:39,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:21:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:21:39,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:21:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:21:39,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:21:39,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:21:39,868 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2023-02-15 02:21:39,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 02:21:39,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566326011] [2023-02-15 02:21:39,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 02:21:39,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 02:21:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:21:39,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 02:21:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 02:21:39,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 02:21:39,984 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:21:39,985 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:21:39,985 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:21:39,985 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:21:39,985 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-15 02:21:39,985 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:39,986 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:21:39,986 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:21:39,986 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi_nondet-2.c_Iteration1_Loop [2023-02-15 02:21:39,986 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:21:39,986 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:21:40,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:21:40,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:21:40,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:21:40,128 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:21:40,130 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-15 02:21:40,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:40,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:40,135 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) [2023-02-15 02:21:40,136 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 [2023-02-15 02:21:40,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:21:40,138 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:21:40,160 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:21:40,160 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:21:40,180 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 [2023-02-15 02:21:40,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:40,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:40,183 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) [2023-02-15 02:21:40,185 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 [2023-02-15 02:21:40,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:21:40,187 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:21:40,209 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-15 02:21:40,210 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-15 02:21:40,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-02-15 02:21:40,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:40,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:40,257 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) [2023-02-15 02:21:40,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-15 02:21:40,267 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:21:40,279 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 [2023-02-15 02:21:40,315 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 [2023-02-15 02:21:40,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:40,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:40,316 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) [2023-02-15 02:21:40,338 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 [2023-02-15 02:21:40,338 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-15 02:21:40,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-15 02:21:43,283 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-15 02:21:43,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-15 02:21:43,291 INFO L210 LassoAnalysis]: Preferences: [2023-02-15 02:21:43,291 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-15 02:21:43,291 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-15 02:21:43,291 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-15 02:21:43,291 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-15 02:21:43,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:43,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-15 02:21:43,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-15 02:21:43,292 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi_nondet-2.c_Iteration1_Loop [2023-02-15 02:21:43,292 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-15 02:21:43,292 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-15 02:21:43,293 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:21:43,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:21:43,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-15 02:21:43,378 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-15 02:21:43,381 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-15 02:21:43,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:43,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:43,384 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) [2023-02-15 02:21:43,386 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 [2023-02-15 02:21:43,387 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 [2023-02-15 02:21:43,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:21:43,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:21:43,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:21:43,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:21:43,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:21:43,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:21:43,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:21:43,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-02-15 02:21:43,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:43,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:43,420 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) [2023-02-15 02:21:43,432 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 [2023-02-15 02:21:43,435 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 [2023-02-15 02:21:43,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:21:43,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:21:43,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:21:43,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:21:43,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-15 02:21:43,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-15 02:21:43,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:21:43,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-02-15 02:21:43,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:43,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:43,503 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) [2023-02-15 02:21:43,506 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 [2023-02-15 02:21:43,507 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 [2023-02-15 02:21:43,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:21:43,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:21:43,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:21:43,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:21:43,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-15 02:21:43,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-15 02:21:43,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:21:43,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:21:43,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-02-15 02:21:43,542 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-15 02:21:43,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:43,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:43,557 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) [2023-02-15 02:21:43,558 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 [2023-02-15 02:21:43,560 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 [2023-02-15 02:21:43,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:21:43,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:21:43,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:21:43,568 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-15 02:21:43,572 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-15 02:21:43,572 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-15 02:21:43,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:21:43,594 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 [2023-02-15 02:21:43,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:43,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:43,596 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) [2023-02-15 02:21:43,600 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 [2023-02-15 02:21:43,601 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 [2023-02-15 02:21:43,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:21:43,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:21:43,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:21:43,608 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-15 02:21:43,611 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-02-15 02:21:43,611 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-02-15 02:21:43,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:21:43,634 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 [2023-02-15 02:21:43,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:43,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:43,635 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) [2023-02-15 02:21:43,643 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 [2023-02-15 02:21:43,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:21:43,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:21:43,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:21:43,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:21:43,651 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-15 02:21:43,654 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-15 02:21:43,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:21:43,658 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 [2023-02-15 02:21:43,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:21:43,670 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 [2023-02-15 02:21:43,670 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-15 02:21:43,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:43,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:43,672 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) [2023-02-15 02:21:43,674 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 [2023-02-15 02:21:43,676 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 [2023-02-15 02:21:43,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:21:43,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:21:43,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:21:43,683 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-15 02:21:43,686 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-15 02:21:43,686 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-15 02:21:43,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:21:43,708 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 [2023-02-15 02:21:43,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:43,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:43,710 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) [2023-02-15 02:21:43,712 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 [2023-02-15 02:21:43,713 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 [2023-02-15 02:21:43,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:21:43,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:21:43,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:21:43,720 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-15 02:21:43,723 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-15 02:21:43,723 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-02-15 02:21:43,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-15 02:21:43,745 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 [2023-02-15 02:21:43,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:43,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:43,747 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) [2023-02-15 02:21:43,749 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 [2023-02-15 02:21:43,750 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 [2023-02-15 02:21:43,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-15 02:21:43,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-15 02:21:43,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-15 02:21:43,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-15 02:21:43,758 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-15 02:21:43,761 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-15 02:21:43,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-15 02:21:43,777 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-15 02:21:43,782 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-15 02:21:43,782 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-15 02:21:43,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-15 02:21:43,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 02:21:43,785 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) [2023-02-15 02:21:43,787 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 [2023-02-15 02:21:43,789 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-15 02:21:43,789 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-15 02:21:43,789 INFO L513 LassoAnalysis]: Proved termination. [2023-02-15 02:21:43,789 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = -1*ULTIMATE.start_main_~d1~0#1 - 1*ULTIMATE.start_main_~d2~0#1 f1 = -1*ULTIMATE.start_main_~d1~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 f2 = 1*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-02-15 02:21:43,795 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 [2023-02-15 02:21:43,800 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-15 02:21:43,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 02:21:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:21:43,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 02:21:43,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:21:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 02:21:43,853 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-15 02:21:43,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 02:21:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 02:21:43,874 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-15 02:21:43,875 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-02-15 02:21:43,902 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 27 transitions. Complement of second has 5 states. [2023-02-15 02:21:43,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-15 02:21:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-02-15 02:21:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2023-02-15 02:21:43,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2023-02-15 02:21:43,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:21:43,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 6 letters. Loop has 1 letters. [2023-02-15 02:21:43,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:21:43,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-15 02:21:43,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-15 02:21:43,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2023-02-15 02:21:43,912 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 02:21:43,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2023-02-15 02:21:43,914 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-15 02:21:43,914 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-15 02:21:43,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-15 02:21:43,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-15 02:21:43,915 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:21:43,915 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:21:43,915 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 02:21:43,915 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-15 02:21:43,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-15 02:21:43,916 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-15 02:21:43,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-15 02:21:43,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.02 02:21:43 BoogieIcfgContainer [2023-02-15 02:21:43,921 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-15 02:21:43,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 02:21:43,921 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 02:21:43,921 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 02:21:43,922 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:21:39" (3/4) ... [2023-02-15 02:21:43,923 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-15 02:21:43,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 02:21:43,924 INFO L158 Benchmark]: Toolchain (without parser) took 4777.36ms. Allocated memory was 136.3MB in the beginning and 249.6MB in the end (delta: 113.2MB). Free memory was 91.8MB in the beginning and 156.9MB in the end (delta: -65.1MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2023-02-15 02:21:43,924 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:21:43,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 123.41ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 82.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 02:21:43,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.49ms. Allocated memory is still 136.3MB. Free memory was 82.5MB in the beginning and 81.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:21:43,925 INFO L158 Benchmark]: Boogie Preprocessor took 12.04ms. Allocated memory is still 136.3MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 02:21:43,926 INFO L158 Benchmark]: RCFGBuilder took 267.95ms. Allocated memory is still 136.3MB. Free memory was 79.9MB in the beginning and 71.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 02:21:43,926 INFO L158 Benchmark]: BuchiAutomizer took 4347.84ms. Allocated memory was 136.3MB in the beginning and 249.6MB in the end (delta: 113.2MB). Free memory was 71.3MB in the beginning and 156.9MB in the end (delta: -85.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-02-15 02:21:43,926 INFO L158 Benchmark]: Witness Printer took 2.59ms. Allocated memory is still 249.6MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 02:21:43,928 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 136.3MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 123.41ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 82.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.49ms. Allocated memory is still 136.3MB. Free memory was 82.5MB in the beginning and 81.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.04ms. Allocated memory is still 136.3MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 267.95ms. Allocated memory is still 136.3MB. Free memory was 79.9MB in the beginning and 71.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4347.84ms. Allocated memory was 136.3MB in the beginning and 249.6MB in the end (delta: 113.2MB). Free memory was 71.3MB in the beginning and 156.9MB in the end (delta: -85.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 2.59ms. Allocated memory is still 249.6MB. Free memory is still 156.9MB. 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 3-nested ranking function (if -1 * d2 + -1 * d1 > 0 then 2 else (if 2 * x + -1 * d1 + 1 > 0 then 1 else 0)), (if -1 * d2 + -1 * d1 > 0 then -1 * d2 + -1 * d1 else (if 2 * x + -1 * d1 + 1 > 0 then 2 * x + -1 * d1 + 1 else x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax152 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq195 hnf91 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-15 02:21:43,938 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 [2023-02-15 02:21:44,143 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