./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/NO_02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/NO_02.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 a10720b7613c5e2eb453af920488d48ff40b71a0acd05114bf4a692390bb0e0c --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 16:58:59,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 16:58:59,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 16:58:59,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 16:58:59,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 16:58:59,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 16:58:59,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 16:58:59,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 16:58:59,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 16:58:59,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 16:58:59,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 16:58:59,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 16:58:59,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 16:58:59,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 16:58:59,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 16:58:59,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 16:58:59,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 16:58:59,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 16:58:59,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 16:58:59,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 16:58:59,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 16:58:59,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 16:58:59,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 16:58:59,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 16:58:59,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 16:58:59,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 16:58:59,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 16:58:59,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 16:58:59,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 16:58:59,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 16:58:59,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 16:58:59,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 16:58:59,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 16:58:59,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 16:58:59,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 16:58:59,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 16:58:59,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 16:58:59,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 16:58:59,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 16:58:59,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 16:58:59,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 16:58:59,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-15 16:58:59,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 16:58:59,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 16:58:59,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 16:58:59,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 16:58:59,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 16:58:59,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 16:58:59,447 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 16:58:59,448 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 16:58:59,448 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 16:58:59,448 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 16:58:59,449 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 16:58:59,449 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 16:58:59,449 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 16:58:59,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 16:58:59,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 16:58:59,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 16:58:59,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 16:58:59,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 16:58:59,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 16:58:59,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 16:58:59,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 16:58:59,451 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 16:58:59,451 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 16:58:59,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 16:58:59,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 16:58:59,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 16:58:59,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 16:58:59,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 16:58:59,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 16:58:59,454 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 16:58:59,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a10720b7613c5e2eb453af920488d48ff40b71a0acd05114bf4a692390bb0e0c [2021-12-15 16:58:59,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 16:58:59,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 16:58:59,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 16:58:59,682 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 16:58:59,683 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 16:58:59,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/NO_02.c [2021-12-15 16:58:59,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cf5287b4/ea1a4d3f4a1247cfb7dc391a3e2b37a8/FLAG4cc190091 [2021-12-15 16:59:00,125 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 16:59:00,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_02.c [2021-12-15 16:59:00,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cf5287b4/ea1a4d3f4a1247cfb7dc391a3e2b37a8/FLAG4cc190091 [2021-12-15 16:59:00,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cf5287b4/ea1a4d3f4a1247cfb7dc391a3e2b37a8 [2021-12-15 16:59:00,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 16:59:00,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 16:59:00,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 16:59:00,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 16:59:00,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 16:59:00,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14748b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00, skipping insertion in model container [2021-12-15 16:59:00,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 16:59:00,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 16:59:00,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 16:59:00,288 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 16:59:00,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 16:59:00,330 INFO L208 MainTranslator]: Completed translation [2021-12-15 16:59:00,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00 WrapperNode [2021-12-15 16:59:00,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 16:59:00,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 16:59:00,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 16:59:00,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 16:59:00,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,358 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2021-12-15 16:59:00,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 16:59:00,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 16:59:00,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 16:59:00,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 16:59:00,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 16:59:00,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 16:59:00,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 16:59:00,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 16:59:00,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00" (1/1) ... [2021-12-15 16:59:00,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 16:59:00,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:59:00,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 16:59:00,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 16:59:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 16:59:00,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 16:59:00,497 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 16:59:00,499 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 16:59:00,557 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 16:59:00,562 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 16:59:00,563 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 16:59:00,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 04:59:00 BoogieIcfgContainer [2021-12-15 16:59:00,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 16:59:00,565 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 16:59:00,565 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 16:59:00,568 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 16:59:00,568 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 16:59:00,568 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 04:59:00" (1/3) ... [2021-12-15 16:59:00,569 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@94e9ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 04:59:00, skipping insertion in model container [2021-12-15 16:59:00,569 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 16:59:00,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:59:00" (2/3) ... [2021-12-15 16:59:00,570 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@94e9ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 04:59:00, skipping insertion in model container [2021-12-15 16:59:00,570 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 16:59:00,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 04:59:00" (3/3) ... [2021-12-15 16:59:00,571 INFO L388 chiAutomizerObserver]: Analyzing ICFG NO_02.c [2021-12-15 16:59:00,607 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 16:59:00,607 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 16:59:00,608 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 16:59:00,608 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 16:59:00,608 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 16:59:00,608 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 16:59:00,608 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 16:59:00,608 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 16:59:00,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2021-12-15 16:59:00,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-15 16:59:00,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 16:59:00,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 16:59:00,642 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 16:59:00,643 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 16:59:00,643 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 16:59:00,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2021-12-15 16:59:00,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-15 16:59:00,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 16:59:00,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 16:59:00,645 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 16:59:00,645 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 16:59:00,651 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 5#L10-2true [2021-12-15 16:59:00,651 INFO L793 eck$LassoCheckResult]: Loop: 5#L10-2true assume !!(main_~i~0#1 < 100);main_~j~0#1 := 0; 3#L12-2true assume !(main_~j~0#1 < 1); 8#L12-3true main_~i~0#1 := 1 + main_~i~0#1; 5#L10-2true [2021-12-15 16:59:00,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:59:00,658 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-15 16:59:00,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:59:00,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14542425] [2021-12-15 16:59:00,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:59:00,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:59:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 16:59:00,737 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 16:59:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 16:59:00,756 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 16:59:00,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:59:00,763 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2021-12-15 16:59:00,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:59:00,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248831372] [2021-12-15 16:59:00,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:59:00,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:59:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:59:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 16:59:00,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:59:00,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248831372] [2021-12-15 16:59:00,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248831372] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:59:00,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:59:00,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 16:59:00,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283563238] [2021-12-15 16:59:00,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:59:00,847 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 16:59:00,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:59:00,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:59:00,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:59:00,876 INFO L87 Difference]: Start difference. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:59:00,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:59:00,886 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2021-12-15 16:59:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:59:00,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 8 transitions. [2021-12-15 16:59:00,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-15 16:59:00,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 4 transitions. [2021-12-15 16:59:00,898 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-12-15 16:59:00,899 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-12-15 16:59:00,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4 transitions. [2021-12-15 16:59:00,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 16:59:00,899 INFO L681 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2021-12-15 16:59:00,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 4 transitions. [2021-12-15 16:59:00,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2021-12-15 16:59:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:59:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2021-12-15 16:59:00,918 INFO L704 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2021-12-15 16:59:00,918 INFO L587 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2021-12-15 16:59:00,918 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 16:59:00,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 4 transitions. [2021-12-15 16:59:00,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-15 16:59:00,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 16:59:00,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 16:59:00,920 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-15 16:59:00,920 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-15 16:59:00,921 INFO L791 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 29#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 27#L10-2 assume !!(main_~i~0#1 < 100);main_~j~0#1 := 0; 26#L12-2 [2021-12-15 16:59:00,921 INFO L793 eck$LassoCheckResult]: Loop: 26#L12-2 assume !!(main_~j~0#1 < 1);main_~j~0#1 := main_~j~0#1; 26#L12-2 [2021-12-15 16:59:00,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:59:00,922 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-12-15 16:59:00,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:59:00,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938755594] [2021-12-15 16:59:00,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:59:00,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:59:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 16:59:00,939 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 16:59:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 16:59:00,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 16:59:00,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:59:00,949 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2021-12-15 16:59:00,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:59:00,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278173301] [2021-12-15 16:59:00,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:59:00,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:59:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 16:59:00,960 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 16:59:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 16:59:00,975 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 16:59:00,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:59:00,978 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2021-12-15 16:59:00,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:59:00,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781840784] [2021-12-15 16:59:00,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:59:00,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:59:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 16:59:00,992 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 16:59:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 16:59:01,002 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 16:59:01,033 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopTermination(LassoCheck.java:944) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:855) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 16:59:01,036 INFO L158 Benchmark]: Toolchain (without parser) took 888.31ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 55.6MB in the beginning and 82.6MB in the end (delta: -27.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:59:01,037 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:59:01,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.02ms. Allocated memory is still 88.1MB. Free memory was 55.4MB in the beginning and 65.8MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 16:59:01,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.26ms. Allocated memory is still 88.1MB. Free memory was 65.8MB in the beginning and 64.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:59:01,043 INFO L158 Benchmark]: Boogie Preprocessor took 13.14ms. Allocated memory is still 88.1MB. Free memory was 64.6MB in the beginning and 63.9MB in the end (delta: 745.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:59:01,044 INFO L158 Benchmark]: RCFGBuilder took 190.74ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 55.8MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 16:59:01,044 INFO L158 Benchmark]: BuchiAutomizer took 470.07ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 55.8MB in the beginning and 82.6MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:59:01,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.02ms. Allocated memory is still 88.1MB. Free memory was 55.4MB in the beginning and 65.8MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.26ms. Allocated memory is still 88.1MB. Free memory was 65.8MB in the beginning and 64.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.14ms. Allocated memory is still 88.1MB. Free memory was 64.6MB in the beginning and 63.9MB in the end (delta: 745.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 190.74ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 55.8MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 470.07ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 55.8MB in the beginning and 82.6MB in the end (delta: -26.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 16:59:01,103 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable