./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_o20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 791161d1 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/recursive-simple/id_o20.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 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 13:32:31,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 13:32:31,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 13:32:31,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 13:32:31,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 13:32:31,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 13:32:31,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 13:32:31,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 13:32:31,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 13:32:31,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 13:32:31,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 13:32:31,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 13:32:31,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 13:32:31,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 13:32:31,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 13:32:31,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 13:32:31,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 13:32:31,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 13:32:31,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 13:32:31,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 13:32:31,783 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 13:32:31,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 13:32:31,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 13:32:31,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 13:32:31,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 13:32:31,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 13:32:31,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 13:32:31,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 13:32:31,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 13:32:31,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 13:32:31,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 13:32:31,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 13:32:31,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 13:32:31,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 13:32:31,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 13:32:31,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 13:32:31,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 13:32:31,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 13:32:31,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 13:32:31,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 13:32:31,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 13:32:31,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 13:32:31,803 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-23 13:32:31,832 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 13:32:31,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 13:32:31,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 13:32:31,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 13:32:31,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 13:32:31,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 13:32:31,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 13:32:31,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 13:32:31,836 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 13:32:31,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 13:32:31,838 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 13:32:31,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 13:32:31,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 13:32:31,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 13:32:31,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 13:32:31,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 13:32:31,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 13:32:31,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 13:32:31,839 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-23 13:32:31,840 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 13:32:31,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 13:32:31,841 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 13:32:31,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 13:32:31,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 13:32:31,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 13:32:31,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 13:32:31,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:32:31,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 13:32:31,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 13:32:31,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 13:32:31,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 13:32:31,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 13:32:31,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 13:32:31,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78daae7f2fbb1fbd12685beb952877b8686cc8bc3d2c7fcd55d0c5d2b019aa0d [2022-07-23 13:32:32,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 13:32:32,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 13:32:32,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 13:32:32,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 13:32:32,080 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 13:32:32,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o20.c [2022-07-23 13:32:32,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2263ff448/1a5ba8ec69bb4272b2419b13a128bab0/FLAG421c8ab3e [2022-07-23 13:32:32,531 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 13:32:32,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o20.c [2022-07-23 13:32:32,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2263ff448/1a5ba8ec69bb4272b2419b13a128bab0/FLAG421c8ab3e [2022-07-23 13:32:32,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2263ff448/1a5ba8ec69bb4272b2419b13a128bab0 [2022-07-23 13:32:32,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 13:32:32,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 13:32:32,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 13:32:32,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 13:32:32,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 13:32:32,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25152090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32, skipping insertion in model container [2022-07-23 13:32:32,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 13:32:32,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 13:32:32,709 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/recursive-simple/id_o20.c[516,529] [2022-07-23 13:32:32,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:32:32,717 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 13:32:32,733 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/recursive-simple/id_o20.c[516,529] [2022-07-23 13:32:32,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:32:32,744 INFO L208 MainTranslator]: Completed translation [2022-07-23 13:32:32,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32 WrapperNode [2022-07-23 13:32:32,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 13:32:32,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 13:32:32,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 13:32:32,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 13:32:32,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,775 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-07-23 13:32:32,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 13:32:32,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 13:32:32,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 13:32:32,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 13:32:32,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 13:32:32,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 13:32:32,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 13:32:32,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 13:32:32,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32" (1/1) ... [2022-07-23 13:32:32,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:32:32,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:32:32,833 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) [2022-07-23 13:32:32,856 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 [2022-07-23 13:32:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 13:32:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 13:32:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 13:32:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 13:32:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-07-23 13:32:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-07-23 13:32:32,926 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 13:32:32,927 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 13:32:32,993 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 13:32:32,998 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 13:32:32,999 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 13:32:33,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:32:33 BoogieIcfgContainer [2022-07-23 13:32:33,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 13:32:33,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 13:32:33,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 13:32:33,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 13:32:33,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:32:32" (1/3) ... [2022-07-23 13:32:33,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c7bc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:32:33, skipping insertion in model container [2022-07-23 13:32:33,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:32:32" (2/3) ... [2022-07-23 13:32:33,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c7bc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:32:33, skipping insertion in model container [2022-07-23 13:32:33,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:32:33" (3/3) ... [2022-07-23 13:32:33,013 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o20.c [2022-07-23 13:32:33,026 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 13:32:33,026 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-07-23 13:32:33,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c7bc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:32:33, skipping insertion in model container [2022-07-23 13:32:33,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-23 13:32:33,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 13:32:33,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 13:32:33,028 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 13:32:33,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:32:33" (3/3) ... [2022-07-23 13:32:33,031 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-23 13:32:33,036 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-07-23 13:32:33,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-23 13:32:33,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-23 13:32:33,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-23 13:32:33,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-23 13:32:33,065 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-23 13:32:33,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 13:32:33,067 INFO L158 Benchmark]: Toolchain (without parser) took 513.12ms. Allocated memory is still 107.0MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:32:33,067 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:32:33,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.78ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 83.5MB in the end (delta: -13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 13:32:33,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.28ms. Allocated memory is still 107.0MB. Free memory was 83.5MB in the beginning and 82.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:32:33,069 INFO L158 Benchmark]: Boogie Preprocessor took 20.11ms. Allocated memory is still 107.0MB. Free memory was 82.2MB in the beginning and 81.3MB in the end (delta: 896.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:32:33,069 INFO L158 Benchmark]: RCFGBuilder took 204.10ms. Allocated memory is still 107.0MB. Free memory was 81.3MB in the beginning and 72.6MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 13:32:33,070 INFO L158 Benchmark]: TraceAbstraction took 25.04ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 70.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:32:33,070 INFO L158 Benchmark]: Witness Printer took 37.39ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 68.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:32:33,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.78ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 83.5MB in the end (delta: -13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.28ms. Allocated memory is still 107.0MB. Free memory was 83.5MB in the beginning and 82.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.11ms. Allocated memory is still 107.0MB. Free memory was 82.2MB in the beginning and 81.3MB in the end (delta: 896.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 204.10ms. Allocated memory is still 107.0MB. Free memory was 81.3MB in the beginning and 72.6MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 25.04ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 70.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 37.39ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 68.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-07-23 13:32:33,115 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