./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/interleave_bits.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5fbdf5bf 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/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 b8ee9428aad4e911e10cde7de8379310dde1b70a ........................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 22:45:40,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 22:45:40,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 22:45:41,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 22:45:41,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 22:45:41,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 22:45:41,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 22:45:41,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 22:45:41,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 22:45:41,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 22:45:41,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 22:45:41,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 22:45:41,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 22:45:41,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 22:45:41,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 22:45:41,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 22:45:41,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 22:45:41,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 22:45:41,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 22:45:41,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 22:45:41,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 22:45:41,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 22:45:41,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 22:45:41,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 22:45:41,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 22:45:41,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 22:45:41,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 22:45:41,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 22:45:41,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 22:45:41,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 22:45:41,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 22:45:41,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 22:45:41,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 22:45:41,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 22:45:41,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 22:45:41,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 22:45:41,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 22:45:41,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 22:45:41,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 22:45:41,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 22:45:41,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 22:45:41,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-08-30 22:45:41,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 22:45:41,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 22:45:41,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 22:45:41,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 22:45:41,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 22:45:41,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 22:45:41,097 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 22:45:41,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 22:45:41,097 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 22:45:41,098 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 22:45:41,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 22:45:41,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 22:45:41,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 22:45:41,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-30 22:45:41,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 22:45:41,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-30 22:45:41,099 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-30 22:45:41,099 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 22:45:41,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-30 22:45:41,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 22:45:41,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-30 22:45:41,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 22:45:41,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 22:45:41,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 22:45:41,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:45:41,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 22:45:41,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 22:45:41,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-30 22:45:41,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 22:45:41,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 22:45:41,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-30 22:45:41,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 22:45:41,101 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8ee9428aad4e911e10cde7de8379310dde1b70a [2021-08-30 22:45:41,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 22:45:41,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 22:45:41,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 22:45:41,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 22:45:41,356 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 22:45:41,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/interleave_bits.i [2021-08-30 22:45:41,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ad6c384/a2191e6d97cc460d8c6ced4fdadb4f70/FLAG8df661b51 [2021-08-30 22:45:41,771 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 22:45:41,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/interleave_bits.i [2021-08-30 22:45:41,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ad6c384/a2191e6d97cc460d8c6ced4fdadb4f70/FLAG8df661b51 [2021-08-30 22:45:41,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ad6c384/a2191e6d97cc460d8c6ced4fdadb4f70 [2021-08-30 22:45:41,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 22:45:41,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-30 22:45:41,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 22:45:41,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 22:45:41,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 22:45:41,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:45:41" (1/1) ... [2021-08-30 22:45:41,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65550b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:41, skipping insertion in model container [2021-08-30 22:45:41,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:45:41" (1/1) ... [2021-08-30 22:45:41,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 22:45:41,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 22:45:41,914 WARN L228 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[870,883] [2021-08-30 22:45:41,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:45:41,969 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 22:45:41,986 WARN L228 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[870,883] [2021-08-30 22:45:42,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:45:42,016 INFO L208 MainTranslator]: Completed translation [2021-08-30 22:45:42,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42 WrapperNode [2021-08-30 22:45:42,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 22:45:42,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-30 22:45:42,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-30 22:45:42,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-30 22:45:42,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42" (1/1) ... [2021-08-30 22:45:42,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42" (1/1) ... [2021-08-30 22:45:42,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-30 22:45:42,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 22:45:42,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 22:45:42,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 22:45:42,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42" (1/1) ... [2021-08-30 22:45:42,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42" (1/1) ... [2021-08-30 22:45:42,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42" (1/1) ... [2021-08-30 22:45:42,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42" (1/1) ... [2021-08-30 22:45:42,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42" (1/1) ... [2021-08-30 22:45:42,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42" (1/1) ... [2021-08-30 22:45:42,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42" (1/1) ... [2021-08-30 22:45:42,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 22:45:42,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 22:45:42,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 22:45:42,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 22:45:42,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42" (1/1) ... [2021-08-30 22:45:42,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:45:42,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 22:45:42,100 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) [2021-08-30 22:45:42,120 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 [2021-08-30 22:45:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-30 22:45:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 22:45:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 22:45:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 22:45:42,244 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 22:45:42,244 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-30 22:45:42,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:45:42 BoogieIcfgContainer [2021-08-30 22:45:42,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 22:45:42,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 22:45:42,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 22:45:42,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 22:45:42,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:45:41" (1/3) ... [2021-08-30 22:45:42,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca05f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:45:42, skipping insertion in model container [2021-08-30 22:45:42,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:42" (2/3) ... [2021-08-30 22:45:42,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca05f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:45:42, skipping insertion in model container [2021-08-30 22:45:42,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:45:42" (3/3) ... [2021-08-30 22:45:42,251 INFO L111 eAbstractionObserver]: Analyzing ICFG interleave_bits.i [2021-08-30 22:45:42,256 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 22:45:42,256 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-30 22:45:42,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca05f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 10:45:42, skipping insertion in model container [2021-08-30 22:45:42,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 22:45:42,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 22:45:42,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 22:45:42,258 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 22:45:42,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:45:42" (3/3) ... [2021-08-30 22:45:42,260 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-30 22:45:42,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-08-30 22:45:42,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-30 22:45:42,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 22:45:42,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 22:45:42,301 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-30 22:45:42,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 22:45:42,302 INFO L158 Benchmark]: Toolchain (without parser) took 508.26ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 26.9MB in the end (delta: 10.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-08-30 22:45:42,303 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:45:42,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.62ms. Allocated memory is still 58.7MB. Free memory was 37.3MB in the beginning and 41.6MB in the end (delta: -4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-30 22:45:42,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.84ms. Allocated memory is still 58.7MB. Free memory was 41.6MB in the beginning and 40.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 22:45:42,313 INFO L158 Benchmark]: Boogie Preprocessor took 29.68ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 22:45:42,314 INFO L158 Benchmark]: RCFGBuilder took 173.40ms. Allocated memory is still 58.7MB. Free memory was 39.0MB in the beginning and 30.9MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-30 22:45:42,314 INFO L158 Benchmark]: TraceAbstraction took 10.18ms. Allocated memory is still 58.7MB. Free memory was 30.4MB in the beginning and 29.6MB in the end (delta: 776.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:45:42,315 INFO L158 Benchmark]: Witness Printer took 43.55ms. Allocated memory is still 58.7MB. Free memory was 29.4MB in the beginning and 26.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 22:45:42,316 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 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.62ms. Allocated memory is still 58.7MB. Free memory was 37.3MB in the beginning and 41.6MB in the end (delta: -4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.84ms. Allocated memory is still 58.7MB. Free memory was 41.6MB in the beginning and 40.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.68ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 173.40ms. Allocated memory is still 58.7MB. Free memory was 39.0MB in the beginning and 30.9MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10.18ms. Allocated memory is still 58.7MB. Free memory was 30.4MB in the beginning and 29.6MB in the end (delta: 776.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.55ms. Allocated memory is still 58.7MB. Free memory was 29.4MB in the beginning and 26.9MB in the end (delta: 2.5MB). 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! [2021-08-30 22:45:42,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...