./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/fermat1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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/AutomizerReach.xml -i ../sv-benchmarks/c/termination-nla/fermat1-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfdad4590880be9e95a7de4e1e6aae7e18908088f14d4badf1a70fac177dd2d8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-14 02:57:41,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:57:41,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:57:41,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:57:41,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:57:41,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:57:41,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:57:41,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:57:41,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:57:41,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:57:41,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:57:41,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:57:41,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:57:41,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:57:41,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:57:41,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:57:41,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:57:41,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:57:41,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:57:41,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:57:41,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:57:41,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:57:41,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:57:41,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:57:41,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:57:41,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:57:41,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:57:41,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:57:41,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:57:41,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:57:41,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:57:41,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:57:41,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:57:41,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:57:41,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:57:41,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:57:41,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:57:41,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:57:41,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:57:41,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:57:41,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:57:41,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-14 02:57:41,866 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:57:41,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:57:41,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:57:41,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:57:41,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:57:41,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:57:41,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:57:41,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:57:41,868 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:57:41,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:57:41,869 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 02:57:41,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:57:41,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 02:57:41,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 02:57:41,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:57:41,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 02:57:41,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:57:41,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 02:57:41,870 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 02:57:41,870 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 02:57:41,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 02:57:41,871 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:57:41,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 02:57:41,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:57:41,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:57:41,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:57:41,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:57:41,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:57:41,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:57:41,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 02:57:41,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 02:57:41,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 02:57:41,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:57:41,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 02:57:41,873 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:57:41,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:57:41,873 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:57:41,873 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfdad4590880be9e95a7de4e1e6aae7e18908088f14d4badf1a70fac177dd2d8 [2023-02-14 02:57:42,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:57:42,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:57:42,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:57:42,149 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:57:42,149 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:57:42,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/fermat1-both-t.c [2023-02-14 02:57:43,246 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:57:43,413 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:57:43,415 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/fermat1-both-t.c [2023-02-14 02:57:43,429 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e988041ca/a8e219c603664505bd697fb7028b88ee/FLAG188705f36 [2023-02-14 02:57:43,461 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e988041ca/a8e219c603664505bd697fb7028b88ee [2023-02-14 02:57:43,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:57:43,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:57:43,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:57:43,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:57:43,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:57:43,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767d1117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43, skipping insertion in model container [2023-02-14 02:57:43,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:57:43,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:57:43,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:57:43,614 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 02:57:43,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:57:43,638 INFO L208 MainTranslator]: Completed translation [2023-02-14 02:57:43,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43 WrapperNode [2023-02-14 02:57:43,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:57:43,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 02:57:43,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 02:57:43,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 02:57:43,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,661 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-02-14 02:57:43,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 02:57:43,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 02:57:43,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 02:57:43,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 02:57:43,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,677 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 02:57:43,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 02:57:43,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 02:57:43,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 02:57:43,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (1/1) ... [2023-02-14 02:57:43,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:57:43,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:57:43,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-14 02:57:43,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-14 02:57:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 02:57:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 02:57:43,785 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 02:57:43,786 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 02:57:43,976 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 02:57:43,983 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 02:57:43,983 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-02-14 02:57:43,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:57:43 BoogieIcfgContainer [2023-02-14 02:57:43,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 02:57:43,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 02:57:43,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 02:57:43,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 02:57:43,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:57:43" (1/3) ... [2023-02-14 02:57:43,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a5dc6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:57:43, skipping insertion in model container [2023-02-14 02:57:43,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:57:43" (2/3) ... [2023-02-14 02:57:43,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a5dc6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:57:43, skipping insertion in model container [2023-02-14 02:57:43,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:57:43" (3/3) ... [2023-02-14 02:57:43,993 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat1-both-t.c [2023-02-14 02:57:44,005 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 02:57:44,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-14 02:57:44,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a5dc6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 02:57:44, skipping insertion in model container [2023-02-14 02:57:44,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 02:57:44,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 02:57:44,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 02:57:44,007 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 02:57:44,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:57:43" (3/3) ... [2023-02-14 02:57:44,010 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-14 02:57:44,017 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-14 02:57:44,017 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-14 02:57:44,018 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-14 02:57:44,050 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 02:57:44,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 02:57:44,052 INFO L158 Benchmark]: Toolchain (without parser) took 586.99ms. Allocated memory is still 155.2MB. Free memory was 126.2MB in the beginning and 96.7MB in the end (delta: 29.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-14 02:57:44,053 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 102.8MB in the beginning and 102.6MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:57:44,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.49ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 116.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 02:57:44,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.19ms. Allocated memory is still 155.2MB. Free memory was 116.0MB in the beginning and 114.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:57:44,054 INFO L158 Benchmark]: Boogie Preprocessor took 14.89ms. Allocated memory is still 155.2MB. Free memory was 114.5MB in the beginning and 113.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:57:44,055 INFO L158 Benchmark]: RCFGBuilder took 305.80ms. Allocated memory is still 155.2MB. Free memory was 113.4MB in the beginning and 101.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-14 02:57:44,055 INFO L158 Benchmark]: TraceAbstraction took 19.51ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 99.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:57:44,056 INFO L158 Benchmark]: Witness Printer took 43.78ms. Allocated memory is still 155.2MB. Free memory was 99.0MB in the beginning and 96.7MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-14 02:57:44,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 102.8MB in the beginning and 102.6MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.49ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 116.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.19ms. Allocated memory is still 155.2MB. Free memory was 116.0MB in the beginning and 114.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.89ms. Allocated memory is still 155.2MB. Free memory was 114.5MB in the beginning and 113.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.80ms. Allocated memory is still 155.2MB. Free memory was 113.4MB in the beginning and 101.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 19.51ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 99.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.78ms. Allocated memory is still 155.2MB. Free memory was 99.0MB in the beginning and 96.7MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-02-14 02:57:44,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE