./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label34.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/eca-rers2012/Problem14_label34.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 8ac0e94c7d3c2bd4e595b1edf2fec81e704e99d1974a2a1d5565771855b4544e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:08:35,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:08:35,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:08:35,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:08:35,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:08:35,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:08:35,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:08:35,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:08:35,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:08:35,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:08:35,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:08:35,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:08:35,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:08:35,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:08:35,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:08:35,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:08:35,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:08:35,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:08:35,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:08:35,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:08:35,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:08:35,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:08:35,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:08:35,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:08:35,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:08:35,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:08:35,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:08:35,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:08:35,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:08:35,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:08:35,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:08:35,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:08:35,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:08:35,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:08:35,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:08:35,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:08:35,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:08:35,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:08:35,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:08:35,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:08:35,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:08:35,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:08:35,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:08:35,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:08:35,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:08:35,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:08:35,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:08:35,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:08:35,907 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:08:35,907 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:08:35,907 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:08:35,907 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:08:35,908 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:08:35,909 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:08:35,909 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:08:35,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:08:35,909 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:08:35,910 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:08:35,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:08:35,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:08:35,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:08:35,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:08:35,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:08:35,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:08:35,911 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:08:35,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:08:35,911 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:08:35,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:08:35,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:08:35,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:08:35,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:08:35,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:08:35,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:08:35,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:08:35,914 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:08:35,914 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ac0e94c7d3c2bd4e595b1edf2fec81e704e99d1974a2a1d5565771855b4544e [2021-12-15 17:08:36,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:08:36,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:08:36,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:08:36,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:08:36,164 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:08:36,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label34.c [2021-12-15 17:08:36,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d067972/a09b55f560454bce92d4d1c945e5b375/FLAGa4103c86a [2021-12-15 17:08:36,663 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:08:36,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label34.c [2021-12-15 17:08:36,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d067972/a09b55f560454bce92d4d1c945e5b375/FLAGa4103c86a [2021-12-15 17:08:36,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d067972/a09b55f560454bce92d4d1c945e5b375 [2021-12-15 17:08:36,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:08:36,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:08:37,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:08:37,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:08:37,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:08:37,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:08:36" (1/1) ... [2021-12-15 17:08:37,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114db557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37, skipping insertion in model container [2021-12-15 17:08:37,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:08:36" (1/1) ... [2021-12-15 17:08:37,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:08:37,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:08:37,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label34.c[2947,2960] [2021-12-15 17:08:37,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:08:37,463 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:08:37,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label34.c[2947,2960] [2021-12-15 17:08:37,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:08:37,576 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:08:37,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37 WrapperNode [2021-12-15 17:08:37,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:08:37,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:08:37,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:08:37,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:08:37,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37" (1/1) ... [2021-12-15 17:08:37,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37" (1/1) ... [2021-12-15 17:08:37,697 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 856 [2021-12-15 17:08:37,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:08:37,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:08:37,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:08:37,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:08:37,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37" (1/1) ... [2021-12-15 17:08:37,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37" (1/1) ... [2021-12-15 17:08:37,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37" (1/1) ... [2021-12-15 17:08:37,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37" (1/1) ... [2021-12-15 17:08:37,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37" (1/1) ... [2021-12-15 17:08:37,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37" (1/1) ... [2021-12-15 17:08:37,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37" (1/1) ... [2021-12-15 17:08:37,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:08:37,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:08:37,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:08:37,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:08:37,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37" (1/1) ... [2021-12-15 17:08:37,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:08:37,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:08:37,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:08:37,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:08:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:08:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:08:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:08:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:08:37,952 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:08:37,953 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:08:38,993 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:08:39,000 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:08:39,001 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:08:39,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:08:39 BoogieIcfgContainer [2021-12-15 17:08:39,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:08:39,004 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:08:39,004 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:08:39,007 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:08:39,008 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:08:39,008 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:08:36" (1/3) ... [2021-12-15 17:08:39,009 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45c8a291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:08:39, skipping insertion in model container [2021-12-15 17:08:39,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:08:39,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:08:37" (2/3) ... [2021-12-15 17:08:39,010 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45c8a291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:08:39, skipping insertion in model container [2021-12-15 17:08:39,010 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:08:39,010 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:08:39" (3/3) ... [2021-12-15 17:08:39,011 INFO L388 chiAutomizerObserver]: Analyzing ICFG Problem14_label34.c [2021-12-15 17:08:39,045 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:08:39,045 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:08:39,046 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:08:39,046 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:08:39,046 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:08:39,046 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:08:39,046 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:08:39,046 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:08:39,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 244 states, 243 states have (on average 1.7325102880658436) internal successors, (421), 243 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:08:39,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 239 [2021-12-15 17:08:39,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:08:39,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:08:39,105 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:08:39,105 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:08:39,105 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:08:39,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 244 states, 243 states have (on average 1.7325102880658436) internal successors, (421), 243 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:08:39,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 239 [2021-12-15 17:08:39,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:08:39,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:08:39,115 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:08:39,116 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:08:39,121 INFO L791 eck$LassoCheckResult]: Stem: 228#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~inputD~0 := 4;~inputB~0 := 2;~inputC~0 := 3;~inputF~0 := 6;~inputE~0 := 5;~inputA~0 := 1;~a21~0 := 7;~a15~0 := 8;~a12~0 := -49;~a24~0 := 1; 147#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 12#L890-2true [2021-12-15 17:08:39,123 INFO L793 eck$LassoCheckResult]: Loop: 12#L890-2true assume !false;havoc main_~input~0#1;main_~input~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 69#L895true assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 179#L31true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 7 == ~a15~0) && 6 == ~a21~0); 153#L31-2true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 7 == ~a15~0) && 8 == ~a21~0); 221#L34-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 5 == ~a15~0) && 9 == ~a21~0); 163#L37-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 5 == ~a15~0) && 9 == ~a21~0); 166#L40-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 6 == ~a15~0) && 10 == ~a21~0); 142#L43-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 7 == ~a15~0) && 6 == ~a21~0); 232#L46-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 5 == ~a15~0) && 10 == ~a21~0); 93#L49-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 6 == ~a15~0) && 9 == ~a21~0); 207#L52-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 7 == ~a15~0) && 10 == ~a21~0); 67#L55-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 7 == ~a15~0) && 10 == ~a21~0); 6#L58-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 6 == ~a15~0) && 6 == ~a21~0); 94#L61-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 7 == ~a15~0) && 8 == ~a21~0); 239#L64-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 6 == ~a15~0) && 9 == ~a21~0); 77#L67-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 7 == ~a15~0) && 7 == ~a21~0); 134#L70-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 5 == ~a15~0) && 10 == ~a21~0); 220#L73-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 5 == ~a15~0) && 8 == ~a21~0); 225#L76-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 7 == ~a15~0) && 9 == ~a21~0); 222#L79-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 6 == ~a15~0) && 8 == ~a21~0); 7#L82-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 5 == ~a15~0) && 10 == ~a21~0); 37#L85-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 7 == ~a15~0) && 6 == ~a21~0); 98#L88-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 5 == ~a15~0) && 6 == ~a21~0); 143#L91-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 6 == ~a15~0) && 6 == ~a21~0); 68#L94-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 5 == ~a15~0) && 7 == ~a21~0); 191#L97-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 6 == ~a15~0) && 9 == ~a21~0); 177#L100-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 7 == ~a15~0) && 9 == ~a21~0); 30#L103-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 5 == ~a15~0) && 6 == ~a21~0); 96#L106-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 6 == ~a15~0) && 10 == ~a21~0); 100#L109-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 7 == ~a15~0) && 9 == ~a21~0); 170#L112-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 6 == ~a15~0) && 8 == ~a21~0); 48#L115-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 7 == ~a15~0) && 8 == ~a21~0); 40#L118-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 7 == ~a15~0) && 7 == ~a21~0); 89#L121-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 7 == ~a15~0) && 7 == ~a21~0); 29#L124-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 7 == ~a15~0) && 10 == ~a21~0); 195#L127-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 7 == ~a15~0) && 8 == ~a21~0); 240#L130-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 8 == ~a15~0) && 6 == ~a21~0); 173#L133-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 6 == ~a15~0) && 6 == ~a21~0); 157#L136-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 7 == ~a15~0) && 9 == ~a21~0); 116#L139-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 6 == ~a15~0) && 7 == ~a21~0); 66#L142-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 6 == ~a15~0) && 7 == ~a21~0); 55#L145-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 5 == ~a15~0) && 6 == ~a21~0); 212#L148-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 5 == ~a15~0) && 8 == ~a21~0); 139#L151-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 5 == ~a15~0) && 9 == ~a21~0); 224#L154-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 6 == ~a15~0) && 8 == ~a21~0); 10#L157-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 7 == ~a15~0) && 10 == ~a21~0); 140#L160-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 6 == ~a15~0) && 10 == ~a21~0); 13#L163-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 5 == ~a15~0) && 10 == ~a21~0); 185#L166-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 5 == ~a15~0) && 6 == ~a21~0); 159#L169-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 5 == ~a15~0) && 7 == ~a21~0); 36#L172-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 5 == ~a15~0) && 8 == ~a21~0); 234#L175-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 6 == ~a15~0) && 9 == ~a21~0); 214#L178-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 5 == ~a15~0) && 9 == ~a21~0); 52#L181-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 7 == ~a15~0) && 7 == ~a21~0); 103#L184-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 6 == ~a15~0) && 10 == ~a21~0); 206#L187-1true assume !((((11 < ~a12~0 && 80 >= ~a12~0) && 1 == ~a24~0) && 7 == ~a15~0) && 6 == ~a21~0); 203#L190-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 6 == ~a15~0) && 7 == ~a21~0); 83#L193-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 5 == ~a15~0) && 8 == ~a21~0); 54#L196-1true assume !(((~a12~0 <= -43 && 1 == ~a24~0) && 6 == ~a15~0) && 6 == ~a21~0); 245#L199-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 5 == ~a15~0) && 7 == ~a21~0); 84#L202-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 6 == ~a15~0) && 7 == ~a21~0); 158#L205-1true assume !(((80 < ~a12~0 && 1 == ~a24~0) && 5 == ~a15~0) && 7 == ~a21~0); 156#L208-1true assume !((((-43 < ~a12~0 && 11 >= ~a12~0) && 1 == ~a24~0) && 6 == ~a15~0) && 8 == ~a21~0); 217#L211-1true assume (1 == ~a24~0 && (11 < ~a12~0 && 80 >= ~a12~0) && 5 == calculate_output_~input#1 && 8 == ~a15~0) && 9 == ~a21~0;~a12~0 := 5 * (if -1 * (555500 + ~a12~0) < 0 && 0 != -1 * (555500 + ~a12~0) % 10 then 1 + -1 * (555500 + ~a12~0) / 10 else -1 * (555500 + ~a12~0) / 10);~a15~0 := 5;~a21~0 := 6;calculate_output_#res#1 := -1; 86#L881true main_#t~ret7#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 12#L890-2true [2021-12-15 17:08:39,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:08:39,128 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-15 17:08:39,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:08:39,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140740804] [2021-12-15 17:08:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:08:39,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:08:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:08:39,203 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:08:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:08:39,229 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:08:39,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:08:39,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1810395834, now seen corresponding path program 1 times [2021-12-15 17:08:39,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:08:39,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697882408] [2021-12-15 17:08:39,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:08:39,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:08:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:08:39,317 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:08:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:08:39,392 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:08:39,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:08:39,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1921382200, now seen corresponding path program 1 times [2021-12-15 17:08:39,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:08:39,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812192800] [2021-12-15 17:08:39,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:08:39,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:08:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:08:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:08:39,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:08:39,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812192800] [2021-12-15 17:08:39,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812192800] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:08:39,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:08:39,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:08:39,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398249946] [2021-12-15 17:08:39,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:08:40,062 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$LassoCheckResult.(LassoCheck.java:834) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 17:08:40,066 INFO L158 Benchmark]: Toolchain (without parser) took 3066.36ms. Allocated memory was 102.8MB in the beginning and 153.1MB in the end (delta: 50.3MB). Free memory was 72.3MB in the beginning and 84.8MB in the end (delta: -12.4MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2021-12-15 17:08:40,067 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:08:40,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.20ms. Allocated memory is still 102.8MB. Free memory was 72.3MB in the beginning and 56.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 17:08:40,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.43ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 56.7MB in the beginning and 93.4MB in the end (delta: -36.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-12-15 17:08:40,068 INFO L158 Benchmark]: Boogie Preprocessor took 96.75ms. Allocated memory is still 123.7MB. Free memory was 93.4MB in the beginning and 88.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 17:08:40,069 INFO L158 Benchmark]: RCFGBuilder took 1206.66ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 86.5MB in the end (delta: 1.5MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2021-12-15 17:08:40,069 INFO L158 Benchmark]: BuchiAutomizer took 1060.60ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 86.5MB in the beginning and 84.8MB in the end (delta: 1.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-15 17:08:40,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.20ms. Allocated memory is still 102.8MB. Free memory was 72.3MB in the beginning and 56.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.43ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 56.7MB in the beginning and 93.4MB in the end (delta: -36.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.75ms. Allocated memory is still 123.7MB. Free memory was 93.4MB in the beginning and 88.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1206.66ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 86.5MB in the end (delta: 1.5MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1060.60ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 86.5MB in the beginning and 84.8MB in the end (delta: 1.7MB). Peak memory consumption was 39.8MB. 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 17:08:40,095 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*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable