./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/matrix-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/matrix-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 484b00968af178bafd1c632864ac68eeb543ca8851deb47f0795724cfa80a660 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:10:08,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:10:08,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:10:08,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:10:08,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:10:08,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:10:08,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:10:08,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:10:08,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:10:08,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:10:08,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:10:08,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:10:08,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:10:08,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:10:08,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:10:08,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:10:08,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:10:08,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:10:08,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:10:08,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:10:08,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:10:08,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:10:08,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:10:08,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:10:08,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:10:08,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:10:08,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:10:08,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:10:08,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:10:08,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:10:08,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:10:08,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:10:08,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:10:08,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:10:08,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:10:08,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:10:08,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:10:08,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:10:08,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:10:08,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:10:08,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:10:08,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:10:08,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:10:08,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:10:08,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:10:08,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:10:08,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:10:08,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:10:08,862 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:10:08,862 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:10:08,862 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:10:08,862 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:10:08,863 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:10:08,863 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:10:08,863 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:10:08,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:10:08,863 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:10:08,863 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:10:08,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:10:08,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:10:08,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:10:08,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:10:08,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:10:08,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:10:08,864 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:10:08,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:10:08,865 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:10:08,865 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:10:08,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:10:08,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:10:08,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:10:08,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:10:08,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:10:08,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:10:08,866 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:10:08,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484b00968af178bafd1c632864ac68eeb543ca8851deb47f0795724cfa80a660 [2021-12-15 17:10:09,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:10:09,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:10:09,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:10:09,069 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:10:09,069 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:10:09,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/matrix-1.c [2021-12-15 17:10:09,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0621fda14/052b53b80d7048fbb20a7c7bb971001a/FLAG21d92c801 [2021-12-15 17:10:09,496 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:10:09,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/matrix-1.c [2021-12-15 17:10:09,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0621fda14/052b53b80d7048fbb20a7c7bb971001a/FLAG21d92c801 [2021-12-15 17:10:09,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0621fda14/052b53b80d7048fbb20a7c7bb971001a [2021-12-15 17:10:09,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:10:09,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:10:09,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:10:09,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:10:09,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:10:09,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af52355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09, skipping insertion in model container [2021-12-15 17:10:09,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:10:09,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:10:09,663 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/matrix-1.c[320,333] [2021-12-15 17:10:09,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:10:09,685 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:10:09,693 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/matrix-1.c[320,333] [2021-12-15 17:10:09,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:10:09,709 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:10:09,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09 WrapperNode [2021-12-15 17:10:09,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:10:09,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:10:09,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:10:09,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:10:09,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,751 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2021-12-15 17:10:09,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:10:09,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:10:09,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:10:09,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:10:09,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:10:09,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:10:09,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:10:09,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:10:09,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09" (1/1) ... [2021-12-15 17:10:09,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:09,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:09,807 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 17:10:09,809 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 17:10:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:10:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:10:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:10:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:10:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:10:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:10:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:10:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:10:09,886 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:10:09,887 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:10:09,976 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:10:09,979 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:10:09,980 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:10:09,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:10:09 BoogieIcfgContainer [2021-12-15 17:10:09,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:10:09,981 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:10:09,982 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:10:09,984 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:10:09,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:10:09,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:10:09" (1/3) ... [2021-12-15 17:10:09,985 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@821595b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:10:09, skipping insertion in model container [2021-12-15 17:10:09,985 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:10:09,985 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:09" (2/3) ... [2021-12-15 17:10:09,986 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@821595b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:10:09, skipping insertion in model container [2021-12-15 17:10:09,986 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:10:09,986 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:10:09" (3/3) ... [2021-12-15 17:10:09,987 INFO L388 chiAutomizerObserver]: Analyzing ICFG matrix-1.c [2021-12-15 17:10:10,033 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:10:10,033 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:10:10,033 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:10:10,033 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:10:10,033 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:10:10,034 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:10:10,034 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:10:10,034 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:10:10,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 17:10:10,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-15 17:10:10,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:10:10,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:10:10,109 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:10:10,109 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:10:10,109 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:10:10,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 17:10:10,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-15 17:10:10,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:10:10,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:10:10,111 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:10:10,111 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:10:10,129 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(11, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post6#1, main_#t~post5#1, main_#t~mem10#1, main_~N_LIN~0#1, main_~N_COL~0#1, main_~j~0#1, main_~k~0#1, main_~#matriz~0#1.base, main_~#matriz~0#1.offset, main_~maior~0#1;main_~N_LIN~0#1 := 1;main_~N_COL~0#1 := 1;havoc main_~j~0#1;havoc main_~k~0#1;call main_~#matriz~0#1.base, main_~#matriz~0#1.offset := #Ultimate.allocOnStack(4 * (if main_~N_LIN~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~N_LIN~0#1 % 4294967296 % 4294967296 else main_~N_LIN~0#1 % 4294967296 % 4294967296 - 4294967296) * (if main_~N_COL~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~N_COL~0#1 % 4294967296 % 4294967296 else main_~N_COL~0#1 % 4294967296 % 4294967296 - 4294967296));havoc main_~maior~0#1;main_~maior~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 0; 4#L21-3true [2021-12-15 17:10:10,129 INFO L793 eck$LassoCheckResult]: Loop: 4#L21-3true assume !!(main_~j~0#1 % 4294967296 < main_~N_COL~0#1 % 4294967296);main_~k~0#1 := 0; 13#L22-3true assume !(main_~k~0#1 % 4294967296 < main_~N_LIN~0#1 % 4294967296); 14#L21-2true main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4#L21-3true [2021-12-15 17:10:10,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:10,133 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-15 17:10:10,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:10,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964695204] [2021-12-15 17:10:10,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:10,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:10,227 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:10:10,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672876564] [2021-12-15 17:10:10,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:10,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:10:10,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:10,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:10:10,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 17:10:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:10,318 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:10,340 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:10,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:10,347 INFO L85 PathProgramCache]: Analyzing trace with hash 39926, now seen corresponding path program 1 times [2021-12-15 17:10:10,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:10,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616751518] [2021-12-15 17:10:10,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:10,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:10,358 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:10,368 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:10,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:10,369 INFO L85 PathProgramCache]: Analyzing trace with hash 28698868, now seen corresponding path program 1 times [2021-12-15 17:10:10,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:10,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639171065] [2021-12-15 17:10:10,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:10,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:10,375 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 17:10:10,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1837479960] [2021-12-15 17:10:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:10,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:10:10,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:10,412 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:10:10,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 17:10:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:10,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 17:10:10,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:10,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:10:10,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 17:10:10,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:10:10,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639171065] [2021-12-15 17:10:10,518 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 17:10:10,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837479960] [2021-12-15 17:10:10,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837479960] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:10:10,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:10:10,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 17:10:10,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050799399] [2021-12-15 17:10:10,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:10:10,547 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopTermination(LassoCheck.java:944) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:834) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 17:10:10,550 INFO L158 Benchmark]: Toolchain (without parser) took 1028.39ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 56.1MB in the beginning and 73.1MB in the end (delta: -17.0MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2021-12-15 17:10:10,550 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 94.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:10:10,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.98ms. Allocated memory is still 94.4MB. Free memory was 55.9MB in the beginning and 70.3MB in the end (delta: -14.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-12-15 17:10:10,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.87ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 68.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:10:10,552 INFO L158 Benchmark]: Boogie Preprocessor took 15.66ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 67.5MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 17:10:10,552 INFO L158 Benchmark]: RCFGBuilder took 213.02ms. Allocated memory is still 94.4MB. Free memory was 67.3MB in the beginning and 57.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:10:10,553 INFO L158 Benchmark]: BuchiAutomizer took 567.53ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 57.1MB in the beginning and 73.1MB in the end (delta: -16.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-12-15 17:10:10,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 94.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.98ms. Allocated memory is still 94.4MB. Free memory was 55.9MB in the beginning and 70.3MB in the end (delta: -14.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.87ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 68.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.66ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 67.5MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 213.02ms. Allocated memory is still 94.4MB. Free memory was 67.3MB in the beginning and 57.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 567.53ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 57.1MB in the beginning and 73.1MB in the end (delta: -16.0MB). Peak memory consumption was 4.5MB. 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 17:10:10,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-15 17:10:10,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:11,011 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