./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/sum01_bug02.i --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/loops/sum01_bug02.i -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 3ebd5f9cdc53e2fed65e094e0a8b688f7bb2226007ad46e7ae7df20c2e5d5f11 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:10:28,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:10:28,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:10:28,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:10:28,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:10:28,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:10:28,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:10:28,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:10:28,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:10:28,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:10:28,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:10:28,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:10:28,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:10:28,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:10:28,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:10:28,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:10:28,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:10:28,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:10:28,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:10:28,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:10:28,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:10:28,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:10:28,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:10:28,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:10:28,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:10:28,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:10:28,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:10:28,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:10:28,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:10:28,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:10:28,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:10:28,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:10:28,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:10:28,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:10:28,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:10:28,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:10:28,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:10:28,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:10:28,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:10:28,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:10:28,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:10:28,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:10:28,181 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:10:28,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:10:28,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:10:28,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:10:28,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:10:28,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:10:28,184 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:10:28,184 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:10:28,184 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:10:28,185 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:10:28,185 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:10:28,186 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:10:28,186 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:10:28,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:10:28,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:10:28,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:10:28,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:10:28,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:10:28,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:10:28,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:10:28,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:10:28,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:10:28,188 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:10:28,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:10:28,189 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:10:28,189 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:10:28,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:10:28,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:10:28,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:10:28,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:10:28,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:10:28,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:10:28,192 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:10:28,192 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ebd5f9cdc53e2fed65e094e0a8b688f7bb2226007ad46e7ae7df20c2e5d5f11 [2021-12-15 17:10:28,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:10:28,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:10:28,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:10:28,477 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:10:28,478 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:10:28,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum01_bug02.i [2021-12-15 17:10:28,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bc16510a/2cde6c10771f4ac289616152413e38e9/FLAG4147e0796 [2021-12-15 17:10:28,982 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:10:28,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01_bug02.i [2021-12-15 17:10:28,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bc16510a/2cde6c10771f4ac289616152413e38e9/FLAG4147e0796 [2021-12-15 17:10:29,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bc16510a/2cde6c10771f4ac289616152413e38e9 [2021-12-15 17:10:29,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:10:29,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:10:29,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:10:29,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:10:29,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:10:29,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602708f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29, skipping insertion in model container [2021-12-15 17:10:29,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:10:29,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:10:29,539 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/loops/sum01_bug02.i[812,825] [2021-12-15 17:10:29,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:10:29,572 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:10:29,582 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/loops/sum01_bug02.i[812,825] [2021-12-15 17:10:29,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:10:29,595 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:10:29,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29 WrapperNode [2021-12-15 17:10:29,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:10:29,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:10:29,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:10:29,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:10:29,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,623 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2021-12-15 17:10:29,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:10:29,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:10:29,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:10:29,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:10:29,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:10:29,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:10:29,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:10:29,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:10:29,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29" (1/1) ... [2021-12-15 17:10:29,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:29,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:29,673 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 17:10:29,689 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 17:10:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:10:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:10:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:10:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:10:29,760 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:10:29,761 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:10:29,886 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:10:29,891 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:10:29,891 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:10:29,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:10:29 BoogieIcfgContainer [2021-12-15 17:10:29,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:10:29,893 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:10:29,893 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:10:29,898 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:10:29,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:10:29,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:10:29" (1/3) ... [2021-12-15 17:10:29,901 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b3cb463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:10:29, skipping insertion in model container [2021-12-15 17:10:29,901 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:10:29,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:29" (2/3) ... [2021-12-15 17:10:29,901 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b3cb463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:10:29, skipping insertion in model container [2021-12-15 17:10:29,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:10:29,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:10:29" (3/3) ... [2021-12-15 17:10:29,903 INFO L388 chiAutomizerObserver]: Analyzing ICFG sum01_bug02.i [2021-12-15 17:10:29,985 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:10:29,985 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:10:29,985 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:10:29,985 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:10:29,985 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:10:29,985 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:10:29,986 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:10:29,986 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:10:30,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 17:10:30,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-15 17:10:30,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:10:30,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:10:30,055 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:10:30,056 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-15 17:10:30,056 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:10:30,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 17:10:30,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-15 17:10:30,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:10:30,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:10:30,058 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:10:30,058 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-15 17:10:30,063 INFO L791 eck$LassoCheckResult]: Stem: 5#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(14, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post3#1, main_#t~post2#1, main_~i~0#1, main_~j~0#1, main_~n~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~j~0#1 := 10;main_~n~0#1 := (if main_#t~nondet1#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet1#1 % 4294967296 % 4294967296 else main_#t~nondet1#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet1#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 13#L24-3true [2021-12-15 17:10:30,064 INFO L793 eck$LassoCheckResult]: Loop: 13#L24-3true assume !!(main_~i~0#1 <= main_~n~0#1); 7#L25true assume main_~i~0#1 < main_~j~0#1;main_~sn~0#1 := 2 + main_~sn~0#1; 11#L25-2true main_#t~post3#1 := main_~j~0#1;main_~j~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 6#L24-2true main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 13#L24-3true [2021-12-15 17:10:30,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:30,081 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-15 17:10:30,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:30,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097448780] [2021-12-15 17:10:30,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:30,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:30,197 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:30,239 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:30,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:30,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1234470, now seen corresponding path program 1 times [2021-12-15 17:10:30,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:30,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085704544] [2021-12-15 17:10:30,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:30,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:30,262 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:30,278 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:30,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:30,280 INFO L85 PathProgramCache]: Analyzing trace with hash 889661672, now seen corresponding path program 1 times [2021-12-15 17:10:30,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:30,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297235611] [2021-12-15 17:10:30,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:30,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:30,302 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:30,336 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:30,420 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 17:10:30,428 INFO L158 Benchmark]: Toolchain (without parser) took 1025.15ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 64.5MB in the beginning and 68.6MB in the end (delta: -4.1MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-12-15 17:10:30,429 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:10:30,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.05ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 64.2MB in the beginning and 97.8MB in the end (delta: -33.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:10:30,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.20ms. Allocated memory is still 121.6MB. Free memory was 97.8MB in the beginning and 96.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:10:30,432 INFO L158 Benchmark]: Boogie Preprocessor took 15.08ms. Allocated memory is still 121.6MB. Free memory was 96.3MB in the beginning and 95.4MB in the end (delta: 880.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:10:30,433 INFO L158 Benchmark]: RCFGBuilder took 252.92ms. Allocated memory is still 121.6MB. Free memory was 95.4MB in the beginning and 86.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:10:30,434 INFO L158 Benchmark]: BuchiAutomizer took 532.32ms. Allocated memory is still 121.6MB. Free memory was 85.8MB in the beginning and 68.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 17:10:30,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.05ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 64.2MB in the beginning and 97.8MB in the end (delta: -33.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.20ms. Allocated memory is still 121.6MB. Free memory was 97.8MB in the beginning and 96.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.08ms. Allocated memory is still 121.6MB. Free memory was 96.3MB in the beginning and 95.4MB in the end (delta: 880.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 252.92ms. Allocated memory is still 121.6MB. Free memory was 95.4MB in the beginning and 86.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 532.32ms. Allocated memory is still 121.6MB. Free memory was 85.8MB in the beginning and 68.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. 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 17:10:30,485 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