./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/interleave_bits.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/bitvector/interleave_bits.i -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 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:09:03,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:09:03,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:09:03,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:09:03,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:09:03,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:09:03,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:09:03,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:09:03,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:09:03,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:09:03,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:09:03,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:09:03,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:09:03,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:09:03,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:09:03,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:09:03,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:09:03,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:09:03,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:09:03,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:09:03,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:09:03,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:09:03,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:09:03,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:09:03,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:09:03,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:09:03,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:09:03,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:09:03,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:09:03,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:09:03,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:09:03,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:09:03,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:09:03,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:09:03,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:09:03,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:09:03,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:09:03,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:09:03,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:09:03,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:09:03,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:09:03,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-02-21 03:09:03,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:09:03,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:09:03,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:09:03,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:09:03,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-21 03:09:03,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-21 03:09:03,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:09:03,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:09:03,415 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:09:03,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:09:03,416 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 03:09:03,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:09:03,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:09:03,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 03:09:03,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:09:03,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-21 03:09:03,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-21 03:09:03,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-21 03:09:03,417 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-02-21 03:09:03,417 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 03:09:03,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:09:03,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:09:03,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-21 03:09:03,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:09:03,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:09:03,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-21 03:09:03,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-21 03:09:03,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:09:03,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-21 03:09:03,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-21 03:09:03,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:09:03,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-21 03:09:03,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-21 03:09:03,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb [2022-02-21 03:09:03,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:09:03,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:09:03,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:09:03,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:09:03,671 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:09:03,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/interleave_bits.i [2022-02-21 03:09:03,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9c9ad0a/20df3acfa4e34743851bef04ed36f24c/FLAGa083ffaa8 [2022-02-21 03:09:04,069 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:09:04,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/interleave_bits.i [2022-02-21 03:09:04,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9c9ad0a/20df3acfa4e34743851bef04ed36f24c/FLAGa083ffaa8 [2022-02-21 03:09:04,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9c9ad0a/20df3acfa4e34743851bef04ed36f24c [2022-02-21 03:09:04,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:09:04,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:09:04,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:09:04,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:09:04,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:09:04,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6587292e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04, skipping insertion in model container [2022-02-21 03:09:04,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:09:04,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:09:04,658 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/bitvector/interleave_bits.i[1175,1188] [2022-02-21 03:09:04,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:09:04,694 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:09:04,702 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/bitvector/interleave_bits.i[1175,1188] [2022-02-21 03:09:04,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:09:04,737 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:09:04,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04 WrapperNode [2022-02-21 03:09:04,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:09:04,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:09:04,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:09:04,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:09:04,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,856 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 141 [2022-02-21 03:09:04,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:09:04,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:09:04,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:09:04,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:09:04,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:09:04,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:09:04,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:09:04,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:09:04,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04" (1/1) ... [2022-02-21 03:09:04,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-21 03:09:04,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:09:04,979 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) [2022-02-21 03:09:04,986 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 [2022-02-21 03:09:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 03:09:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 03:09:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:09:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:09:05,063 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:09:05,064 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:09:05,547 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:09:05,552 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:09:05,552 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:09:05,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:09:05 BoogieIcfgContainer [2022-02-21 03:09:05,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:09:05,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-21 03:09:05,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-21 03:09:05,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-21 03:09:05,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 03:09:04" (1/3) ... [2022-02-21 03:09:05,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651bb422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:09:05, skipping insertion in model container [2022-02-21 03:09:05,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:09:04" (2/3) ... [2022-02-21 03:09:05,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651bb422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:09:05, skipping insertion in model container [2022-02-21 03:09:05,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:09:05" (3/3) ... [2022-02-21 03:09:05,571 INFO L111 eAbstractionObserver]: Analyzing ICFG interleave_bits.i [2022-02-21 03:09:05,576 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-21 03:09:05,576 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-02-21 03:09:05,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651bb422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 03:09:05, skipping insertion in model container [2022-02-21 03:09:05,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-21 03:09:05,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:09:05,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:09:05,578 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:09:05,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:09:05" (3/3) ... [2022-02-21 03:09:05,581 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-21 03:09:05,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-02-21 03:09:05,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-02-21 03:09:05,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-21 03:09:05,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-21 03:09:05,650 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 03:09:05,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:09:05,652 INFO L158 Benchmark]: Toolchain (without parser) took 1139.57ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 62.9MB in the beginning and 69.2MB in the end (delta: -6.2MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-02-21 03:09:05,652 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:09:05,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.73ms. Allocated memory is still 94.4MB. Free memory was 62.7MB in the beginning and 67.7MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:09:05,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.76ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 67.7MB in the beginning and 88.2MB in the end (delta: -20.5MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-02-21 03:09:05,653 INFO L158 Benchmark]: Boogie Preprocessor took 88.53ms. Allocated memory is still 115.3MB. Free memory was 88.2MB in the beginning and 79.6MB in the end (delta: 8.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-02-21 03:09:05,654 INFO L158 Benchmark]: RCFGBuilder took 605.64ms. Allocated memory is still 115.3MB. Free memory was 79.6MB in the beginning and 74.7MB in the end (delta: 5.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-02-21 03:09:05,654 INFO L158 Benchmark]: TraceAbstraction took 22.82ms. Allocated memory is still 115.3MB. Free memory was 74.0MB in the beginning and 72.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:09:05,654 INFO L158 Benchmark]: Witness Printer took 72.26ms. Allocated memory is still 115.3MB. Free memory was 72.6MB in the beginning and 69.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 03:09:05,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.73ms. Allocated memory is still 94.4MB. Free memory was 62.7MB in the beginning and 67.7MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.76ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 67.7MB in the beginning and 88.2MB in the end (delta: -20.5MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.53ms. Allocated memory is still 115.3MB. Free memory was 88.2MB in the beginning and 79.6MB in the end (delta: 8.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * RCFGBuilder took 605.64ms. Allocated memory is still 115.3MB. Free memory was 79.6MB in the beginning and 74.7MB in the end (delta: 5.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * TraceAbstraction took 22.82ms. Allocated memory is still 115.3MB. Free memory was 74.0MB in the beginning and 72.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.26ms. Allocated memory is still 115.3MB. Free memory was 72.6MB in the beginning and 69.2MB in the end (delta: 3.5MB). 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-02-21 03:09:05,679 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