./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-sets/test_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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/ldv-sets/test_add-1.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 77902a9f57c297a8e1fc2f1cd5cfc51f597104fb ...................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 19:30:31,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 19:30:31,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 19:30:31,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 19:30:31,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 19:30:31,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 19:30:31,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 19:30:31,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 19:30:31,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 19:30:31,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 19:30:31,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 19:30:31,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 19:30:31,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 19:30:31,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 19:30:31,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 19:30:31,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 19:30:31,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 19:30:31,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 19:30:31,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 19:30:31,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 19:30:31,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 19:30:31,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 19:30:31,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 19:30:31,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 19:30:31,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 19:30:31,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 19:30:31,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 19:30:31,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 19:30:31,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 19:30:31,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 19:30:31,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 19:30:31,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 19:30:31,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 19:30:31,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 19:30:31,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 19:30:31,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 19:30:31,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 19:30:31,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 19:30:31,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 19:30:31,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 19:30:31,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 19:30:31,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 19:30:31,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 19:30:31,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 19:30:31,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 19:30:31,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 19:30:31,756 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 19:30:31,757 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 19:30:31,757 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 19:30:31,757 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 19:30:31,757 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 19:30:31,757 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 19:30:31,757 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 19:30:31,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 19:30:31,758 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 19:30:31,758 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 19:30:31,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 19:30:31,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 19:30:31,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 19:30:31,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 19:30:31,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 19:30:31,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 19:30:31,759 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 19:30:31,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 19:30:31,759 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 19:30:31,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 19:30:31,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 19:30:31,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 19:30:31,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 19:30:31,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 19:30:31,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 19:30:31,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 19:30:31,761 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 19:30:31,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77902a9f57c297a8e1fc2f1cd5cfc51f597104fb [2021-07-06 19:30:32,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 19:30:32,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 19:30:32,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 19:30:32,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 19:30:32,036 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 19:30:32,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-sets/test_add-1.i [2021-07-06 19:30:32,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5cce75bb/5763d9f957974f59ab836583249887f0/FLAGb8929bc5b [2021-07-06 19:30:32,540 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 19:30:32,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_add-1.i [2021-07-06 19:30:32,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5cce75bb/5763d9f957974f59ab836583249887f0/FLAGb8929bc5b [2021-07-06 19:30:32,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5cce75bb/5763d9f957974f59ab836583249887f0 [2021-07-06 19:30:32,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 19:30:32,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 19:30:32,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 19:30:32,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 19:30:32,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 19:30:32,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:30:32" (1/1) ... [2021-07-06 19:30:32,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23918312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:32, skipping insertion in model container [2021-07-06 19:30:32,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:30:32" (1/1) ... [2021-07-06 19:30:32,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 19:30:32,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 19:30:32,884 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2021-07-06 19:30:32,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:30:32,899 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 19:30:32,957 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2021-07-06 19:30:32,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:30:33,008 INFO L208 MainTranslator]: Completed translation [2021-07-06 19:30:33,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33 WrapperNode [2021-07-06 19:30:33,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 19:30:33,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 19:30:33,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 19:30:33,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 19:30:33,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33" (1/1) ... [2021-07-06 19:30:33,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33" (1/1) ... [2021-07-06 19:30:33,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 19:30:33,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 19:30:33,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 19:30:33,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 19:30:33,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33" (1/1) ... [2021-07-06 19:30:33,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33" (1/1) ... [2021-07-06 19:30:33,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33" (1/1) ... [2021-07-06 19:30:33,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33" (1/1) ... [2021-07-06 19:30:33,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33" (1/1) ... [2021-07-06 19:30:33,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33" (1/1) ... [2021-07-06 19:30:33,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33" (1/1) ... [2021-07-06 19:30:33,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 19:30:33,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 19:30:33,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 19:30:33,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 19:30:33,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33" (1/1) ... [2021-07-06 19:30:33,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:30:33,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:30:33,161 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) [2021-07-06 19:30:33,167 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 [2021-07-06 19:30:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-06 19:30:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-06 19:30:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-07-06 19:30:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-06 19:30:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 19:30:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-07-06 19:30:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-07-06 19:30:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 19:30:33,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 19:30:33,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 19:30:33,460 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 19:30:33,461 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-07-06 19:30:33,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:30:33 BoogieIcfgContainer [2021-07-06 19:30:33,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 19:30:33,463 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 19:30:33,463 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 19:30:33,465 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 19:30:33,465 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:30:33,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 07:30:32" (1/3) ... [2021-07-06 19:30:33,466 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@773a8bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:30:33, skipping insertion in model container [2021-07-06 19:30:33,466 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:30:33,466 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:30:33" (2/3) ... [2021-07-06 19:30:33,467 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@773a8bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:30:33, skipping insertion in model container [2021-07-06 19:30:33,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:30:33,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:30:33" (3/3) ... [2021-07-06 19:30:33,468 INFO L389 chiAutomizerObserver]: Analyzing ICFG test_add-1.i [2021-07-06 19:30:33,511 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 19:30:33,511 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 19:30:33,512 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 19:30:33,512 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 19:30:33,512 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 19:30:33,512 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 19:30:33,512 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 19:30:33,512 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 19:30:33,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 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) [2021-07-06 19:30:33,532 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-07-06 19:30:33,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:30:33,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:30:33,536 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 19:30:33,536 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-07-06 19:30:33,536 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 19:30:33,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 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) [2021-07-06 19:30:33,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-07-06 19:30:33,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:30:33,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:30:33,538 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 19:30:33,538 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-07-06 19:30:33,542 INFO L791 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(12);call ~#s1~0.base, ~#s1~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 15#L-1true havoc main_#res;havoc foo_#t~nondet29, foo_#t~ret30, foo_~j~0;foo_~j~0 := foo_#t~nondet29;havoc foo_#t~nondet29;ldv_set_add_#in~new, ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret19, ldv_set_add_#t~ret20.base, ldv_set_add_#t~ret20.offset, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;ldv_set_add_~new := ldv_set_add_#in~new;ldv_set_add_~s.base, ldv_set_add_~s.offset := ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset;ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem27, ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 17#L652-3true [2021-07-06 19:30:33,543 INFO L793 eck$LassoCheckResult]: Loop: 17#L652-3true assume !!(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset);call ldv_is_in_set_#t~mem27 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); 7#L653true assume !(ldv_is_in_set_#t~mem27 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem27; 14#L652-2true call ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset := read~$Pointer$(ldv_is_in_set_~m~1.base, 4 + ldv_is_in_set_~m~1.offset, 4);ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset := ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset;havoc ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset - 4; 17#L652-3true [2021-07-06 19:30:33,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:30:33,546 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-07-06 19:30:33,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:30:33,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745071055] [2021-07-06 19:30:33,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:30:33,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:30:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:30:33,642 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:30:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:30:33,678 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:30:33,694 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:30:33,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:30:33,703 INFO L82 PathProgramCache]: Analyzing trace with hash 39883, now seen corresponding path program 1 times [2021-07-06 19:30:33,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:30:33,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337978863] [2021-07-06 19:30:33,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:30:33,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:30:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:30:33,725 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:30:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:30:33,733 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:30:33,735 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:30:33,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:30:33,736 INFO L82 PathProgramCache]: Analyzing trace with hash 28698825, now seen corresponding path program 1 times [2021-07-06 19:30:33,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:30:33,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752097603] [2021-07-06 19:30:33,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:30:33,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:30:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:30:33,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:30:33,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:30:33,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:30:33,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 19:30:33,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:30:33,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:30:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 19:30:33,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 19:30:33,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752097603] [2021-07-06 19:30:33,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752097603] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 19:30:33,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 19:30:33,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-06 19:30:33,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364785863] [2021-07-06 19:30:33,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:30:33,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-06 19:30:33,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 19:30:33,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-06 19:30:33,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-06 19:30:33,929 INFO L87 Difference]: Start difference. First operand has 23 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:30:33,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 19:30:33,987 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2021-07-06 19:30:33,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-06 19:30:33,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 31 transitions. [2021-07-06 19:30:33,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 19:30:33,992 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 14 states and 14 transitions. [2021-07-06 19:30:33,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-07-06 19:30:33,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-07-06 19:30:33,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 14 transitions. [2021-07-06 19:30:33,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 19:30:33,994 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-07-06 19:30:34,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 14 transitions. [2021-07-06 19:30:34,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-07-06 19:30:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:30:34,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-07-06 19:30:34,012 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-07-06 19:30:34,012 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-07-06 19:30:34,012 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 19:30:34,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 14 transitions. [2021-07-06 19:30:34,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 19:30:34,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:30:34,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:30:34,013 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 19:30:34,014 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-07-06 19:30:34,014 INFO L791 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(12);call ~#s1~0.base, ~#s1~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 76#L-1 havoc main_#res;havoc foo_#t~nondet29, foo_#t~ret30, foo_~j~0;foo_~j~0 := foo_#t~nondet29;havoc foo_#t~nondet29;ldv_set_add_#in~new, ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret19, ldv_set_add_#t~ret20.base, ldv_set_add_#t~ret20.offset, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;ldv_set_add_~new := ldv_set_add_#in~new;ldv_set_add_~s.base, ldv_set_add_~s.offset := ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset;ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem27, ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 77#L652-3 assume !(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset); 78#L652-4 ldv_is_in_set_#res := 0; 80#L657 ldv_set_add_#t~ret19 := ldv_is_in_set_#res; 69#L633 assume 0 == ldv_set_add_#t~ret19;havoc ldv_set_add_#t~ret19;havoc ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset;ldv_successful_malloc_#in~size := 12;havoc ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset;havoc ldv_successful_malloc_#t~malloc7.base, ldv_successful_malloc_#t~malloc7.offset, ldv_successful_malloc_~size, ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset;ldv_successful_malloc_~size := ldv_successful_malloc_#in~size;call ldv_successful_malloc_#t~malloc7.base, ldv_successful_malloc_#t~malloc7.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size);ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset := ldv_successful_malloc_#t~malloc7.base, ldv_successful_malloc_#t~malloc7.offset;assume_abort_if_not_#in~cond := (if ldv_successful_malloc_~ptr~0.base != 0 || ldv_successful_malloc_~ptr~0.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 70#L565 assume !(0 == assume_abort_if_not_~cond); 75#L564 ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset := ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset; 73#L578 ldv_set_add_#t~ret20.base, ldv_set_add_#t~ret20.offset := ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset;ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset := ldv_set_add_#t~ret20.base, ldv_set_add_#t~ret20.offset;havoc ldv_set_add_#t~ret20.base, ldv_set_add_#t~ret20.offset;call write~int(ldv_set_add_~new, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, 4);ldv_list_add_#in~new.base, ldv_list_add_#in~new.offset, ldv_list_add_#in~head.base, ldv_list_add_#in~head.offset := ldv_set_add_~le~0.base, 4 + ldv_set_add_~le~0.offset, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_list_add_#t~mem8.base, ldv_list_add_#t~mem8.offset, ldv_list_add_~new.base, ldv_list_add_~new.offset, ldv_list_add_~head.base, ldv_list_add_~head.offset;ldv_list_add_~new.base, ldv_list_add_~new.offset := ldv_list_add_#in~new.base, ldv_list_add_#in~new.offset;ldv_list_add_~head.base, ldv_list_add_~head.offset := ldv_list_add_#in~head.base, ldv_list_add_#in~head.offset;call ldv_list_add_#t~mem8.base, ldv_list_add_#t~mem8.offset := read~$Pointer$(ldv_list_add_~head.base, ldv_list_add_~head.offset, 4);__ldv_list_add_#in~new.base, __ldv_list_add_#in~new.offset, __ldv_list_add_#in~prev.base, __ldv_list_add_#in~prev.offset, __ldv_list_add_#in~next.base, __ldv_list_add_#in~next.offset := ldv_list_add_~new.base, ldv_list_add_~new.offset, ldv_list_add_~head.base, ldv_list_add_~head.offset, ldv_list_add_#t~mem8.base, ldv_list_add_#t~mem8.offset;havoc __ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, __ldv_list_add_~next.base, __ldv_list_add_~next.offset;__ldv_list_add_~new.base, __ldv_list_add_~new.offset := __ldv_list_add_#in~new.base, __ldv_list_add_#in~new.offset;__ldv_list_add_~prev.base, __ldv_list_add_~prev.offset := __ldv_list_add_#in~prev.base, __ldv_list_add_#in~prev.offset;__ldv_list_add_~next.base, __ldv_list_add_~next.offset := __ldv_list_add_#in~next.base, __ldv_list_add_#in~next.offset;call write~$Pointer$(__ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~next.base, 4 + __ldv_list_add_~next.offset, 4);call write~$Pointer$(__ldv_list_add_~next.base, __ldv_list_add_~next.offset, __ldv_list_add_~new.base, __ldv_list_add_~new.offset, 4);call write~$Pointer$(__ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, __ldv_list_add_~new.base, 4 + __ldv_list_add_~new.offset, 4);call write~$Pointer$(__ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, 4); 72#L589 havoc ldv_list_add_#t~mem8.base, ldv_list_add_#t~mem8.offset; 71#L632 ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem27, ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 67#L652-8 [2021-07-06 19:30:34,014 INFO L793 eck$LassoCheckResult]: Loop: 67#L652-8 assume !!(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset);call ldv_is_in_set_#t~mem27 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); 68#L653-1 assume !(ldv_is_in_set_#t~mem27 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem27; 74#L652-7 call ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset := read~$Pointer$(ldv_is_in_set_~m~1.base, 4 + ldv_is_in_set_~m~1.offset, 4);ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset := ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset;havoc ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset - 4; 67#L652-8 [2021-07-06 19:30:34,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:30:34,015 INFO L82 PathProgramCache]: Analyzing trace with hash 112353747, now seen corresponding path program 1 times [2021-07-06 19:30:34,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:30:34,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452142907] [2021-07-06 19:30:34,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:30:34,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:30:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:30:34,088 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:30:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:30:34,147 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:30:34,155 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:30:34,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:30:34,164 INFO L82 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 1 times [2021-07-06 19:30:34,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:30:34,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882862860] [2021-07-06 19:30:34,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:30:34,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:30:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:30:34,173 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:30:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:30:34,187 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:30:34,190 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:30:34,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:30:34,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1351003105, now seen corresponding path program 1 times [2021-07-06 19:30:34,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:30:34,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167831590] [2021-07-06 19:30:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:30:34,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:30:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:30:34,317 INFO L142 QuantifierPusher]: treesize reduction 6, result has 64.7 percent of original size [2021-07-06 19:30:34,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:30:34,325 INFO L142 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size [2021-07-06 19:30:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-06 19:30:34,343 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size [2021-07-06 19:30:34,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-06 19:30:34,358 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-07-06 19:30:34,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-06 19:30:34,389 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-07-06 19:30:34,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-06 19:30:34,421 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size [2021-07-06 19:30:34,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-06 19:30:34,444 INFO L142 QuantifierPusher]: treesize reduction 16, result has 50.0 percent of original size [2021-07-06 19:30:34,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-06 19:30:34,456 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-07-06 19:30:34,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:30:34,465 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-06 19:30:34,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:30:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 19:30:34,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 19:30:34,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167831590] [2021-07-06 19:30:34,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167831590] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 19:30:34,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 19:30:34,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-06 19:30:34,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952038149] [2021-07-06 19:30:34,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:30:34,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-06 19:30:34,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 19:30:34,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-06 19:30:34,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-06 19:30:34,579 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. cyclomatic complexity: 1 Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:30:34,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 19:30:34,780 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-07-06 19:30:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-06 19:30:34,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 12 transitions. [2021-07-06 19:30:34,783 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:30:34,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2021-07-06 19:30:34,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 19:30:34,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 19:30:34,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 19:30:34,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 19:30:34,783 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:30:34,784 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:30:34,784 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:30:34,784 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-07-06 19:30:34,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 19:30:34,784 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:30:34,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 19:30:34,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 07:30:34 BoogieIcfgContainer [2021-07-06 19:30:34,788 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 19:30:34,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 19:30:34,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 19:30:34,789 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 19:30:34,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:30:33" (3/4) ... [2021-07-06 19:30:34,792 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 19:30:34,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 19:30:34,807 INFO L168 Benchmark]: Toolchain (without parser) took 2229.13 ms. Allocated memory was 58.7 MB in the beginning and 107.0 MB in the end (delta: 48.2 MB). Free memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-07-06 19:30:34,807 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:30:34,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.29 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 35.5 MB in the beginning and 50.4 MB in the end (delta: -14.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 19:30:34,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.25 ms. Allocated memory is still 83.9 MB. Free memory was 50.4 MB in the beginning and 48.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 19:30:34,813 INFO L168 Benchmark]: Boogie Preprocessor took 44.65 ms. Allocated memory is still 83.9 MB. Free memory was 48.2 MB in the beginning and 46.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 19:30:34,813 INFO L168 Benchmark]: RCFGBuilder took 349.35 ms. Allocated memory is still 83.9 MB. Free memory was 46.4 MB in the beginning and 43.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-07-06 19:30:34,813 INFO L168 Benchmark]: BuchiAutomizer took 1325.67 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 43.7 MB in the beginning and 47.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-07-06 19:30:34,815 INFO L168 Benchmark]: Witness Printer took 15.94 ms. Allocated memory is still 107.0 MB. Free memory was 47.1 MB in the beginning and 46.7 MB in the end (delta: 451.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:30:34,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 433.29 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 35.5 MB in the beginning and 50.4 MB in the end (delta: -14.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.25 ms. Allocated memory is still 83.9 MB. Free memory was 50.4 MB in the beginning and 48.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.65 ms. Allocated memory is still 83.9 MB. Free memory was 48.2 MB in the beginning and 46.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 349.35 ms. Allocated memory is still 83.9 MB. Free memory was 46.4 MB in the beginning and 43.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1325.67 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 43.7 MB in the beginning and 47.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Witness Printer took 15.94 ms. Allocated memory is still 107.0 MB. Free memory was 47.1 MB in the beginning and 46.7 MB in the end (delta: 451.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 9.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 23 SDtfs, 44 SDslu, 38 SDs, 0 SdLazy, 47 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 103.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-07-06 19:30:34,869 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...