./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/splice-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/list-properties/splice-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb2202e8adc36cf09139287c61f8b63b857ea10d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/list-properties/splice-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb2202e8adc36cf09139287c61f8b63b857ea10d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:23,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:23,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:23,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:23,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:23,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:23,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:23,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:23,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:23,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:23,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:23,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:23,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:23,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:23,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:23,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:23,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:23,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:23,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:23,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:23,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:23,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:23,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:23,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:23,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:23,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:23,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:23,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:23,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:23,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:23,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:23,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:23,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:23,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:23,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:23,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:23,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:23,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:23,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:23,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:23,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:23,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:23,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:23,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:23,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:23,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:23,603 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:23,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:23,604 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:23,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:23,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:23,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:23,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:23,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:23,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:23,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:23,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:23,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:23,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:23,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:23,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:23,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:23,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:23,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:23,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:23,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:23,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:23,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:23,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:23,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:23,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 ! call(__VERIFIER_error())) ) 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 -> bb2202e8adc36cf09139287c61f8b63b857ea10d [2019-11-27 16:10:24,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:24,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:24,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:24,291 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:24,294 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:24,296 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/splice-2.i [2019-11-27 16:10:24,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd2aa6aed/4b1847ab9b364dfd93ed13d8ca60d7b8/FLAG1941f7e2e [2019-11-27 16:10:25,698 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:25,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/splice-2.i [2019-11-27 16:10:25,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd2aa6aed/4b1847ab9b364dfd93ed13d8ca60d7b8/FLAG1941f7e2e [2019-11-27 16:10:25,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd2aa6aed/4b1847ab9b364dfd93ed13d8ca60d7b8 [2019-11-27 16:10:25,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:25,800 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:25,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:25,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:25,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:25,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:25" (1/1) ... [2019-11-27 16:10:25,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:25, skipping insertion in model container [2019-11-27 16:10:25,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:25" (1/1) ... [2019-11-27 16:10:25,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:25,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:26,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:26,841 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:26,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:27,116 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:27,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27 WrapperNode [2019-11-27 16:10:27,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:27,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:27,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:27,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:27,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:27,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:27,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:27,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:27,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:27" (1/1) ... [2019-11-27 16:10:27,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:27,369 INFO L168 Benchmark]: Toolchain (without parser) took 1565.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 968.5 MB in the end (delta: -1.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:27,370 INFO L168 Benchmark]: CDTParser took 1.05 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:27,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1316.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 974.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:27,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.79 ms. Allocated memory is still 1.0 GB. Free memory is still 974.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:27,390 INFO L168 Benchmark]: Boogie Preprocessor took 84.39 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:27,402 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1316.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 974.2 MB in the end (delta: -6.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 155.79 ms. Allocated memory is still 1.0 GB. Free memory is still 974.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 84.39 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:31,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:31,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:31,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:31,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:31,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:31,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:31,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:31,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:31,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:31,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:31,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:31,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:31,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:31,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:31,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:31,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:31,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:31,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:31,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:31,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:31,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:31,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:31,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:31,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:31,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:31,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:31,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:31,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:31,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:31,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:31,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:31,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:31,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:31,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:31,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:31,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:31,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:31,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:31,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:31,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:31,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:31,361 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:31,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:31,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:31,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:31,370 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:31,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:31,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:31,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:31,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:31,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:31,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:31,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:31,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:31,376 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:31,376 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:31,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:31,379 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:31,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:31,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:31,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:31,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:31,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:31,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:31,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:31,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:31,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:31,384 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:31,385 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:31,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:31,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:31,388 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 ! call(__VERIFIER_error())) ) 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 -> bb2202e8adc36cf09139287c61f8b63b857ea10d [2019-11-27 16:10:31,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:31,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:31,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:31,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:31,931 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:31,936 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/splice-2.i [2019-11-27 16:10:32,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17801db63/211174eec253442ca835fc632cf1d811/FLAG0393e8084 [2019-11-27 16:10:33,330 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:33,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/splice-2.i [2019-11-27 16:10:33,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17801db63/211174eec253442ca835fc632cf1d811/FLAG0393e8084 [2019-11-27 16:10:33,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17801db63/211174eec253442ca835fc632cf1d811 [2019-11-27 16:10:33,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:33,419 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:33,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:33,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:33,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:33,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:33" (1/1) ... [2019-11-27 16:10:33,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:33, skipping insertion in model container [2019-11-27 16:10:33,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:33" (1/1) ... [2019-11-27 16:10:33,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:33,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:34,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:34,570 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:34,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:34,843 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:34,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:34 WrapperNode [2019-11-27 16:10:34,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:34,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:34,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:34,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:34,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:34" (1/1) ... [2019-11-27 16:10:34,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:34" (1/1) ... [2019-11-27 16:10:34,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:34,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:34,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:34,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:34,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:34" (1/1) ... [2019-11-27 16:10:34,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:34" (1/1) ... [2019-11-27 16:10:34,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:34" (1/1) ... [2019-11-27 16:10:34,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:34" (1/1) ... [2019-11-27 16:10:35,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:34" (1/1) ... [2019-11-27 16:10:35,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:34" (1/1) ... [2019-11-27 16:10:35,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:34" (1/1) ... [2019-11-27 16:10:35,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:35,095 INFO L168 Benchmark]: Toolchain (without parser) took 1670.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 967.1 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:35,098 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:35,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1415.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:35,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.33 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:35,105 INFO L168 Benchmark]: Boogie Preprocessor took 114.94 ms. Allocated memory is still 1.0 GB. Free memory is still 967.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:35,116 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1415.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 122.33 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 114.94 ms. Allocated memory is still 1.0 GB. Free memory is still 967.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...