./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/forester-heap/dll-rb-sentinel-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 3e0675069af96ce2b947856aad4bf6a2d556158b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/forester-heap/dll-rb-sentinel-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 3e0675069af96ce2b947856aad4bf6a2d556158b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:08:15,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:15,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:15,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:15,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:15,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:15,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:15,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:15,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:15,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:15,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:15,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:15,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:15,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:15,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:15,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:15,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:15,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:15,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:15,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:15,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:15,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:15,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:15,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:15,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:15,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:15,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:15,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:15,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:15,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:15,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:15,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:15,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:15,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:15,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:15,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:15,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:15,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:15,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:15,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:15,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:15,436 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:15,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:15,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:15,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:15,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:15,481 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:15,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:15,481 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:15,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:15,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:15,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:15,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:15,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:15,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:15,487 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:15,487 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:15,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:15,489 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:15,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:15,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:15,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:15,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:15,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:15,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:15,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:15,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:15,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:15,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:15,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:15,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:15,496 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 -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2019-11-24 21:08:16,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:16,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:16,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:16,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:16,185 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:16,186 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-24 21:08:16,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76624e27d/8afb83d5d65a427b9e8cea2560dda361/FLAGd54a869b7 [2019-11-24 21:08:17,592 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:17,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-24 21:08:17,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76624e27d/8afb83d5d65a427b9e8cea2560dda361/FLAGd54a869b7 [2019-11-24 21:08:17,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76624e27d/8afb83d5d65a427b9e8cea2560dda361 [2019-11-24 21:08:17,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:17,682 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:17,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:17,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:17,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:17,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc5c18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:17, skipping insertion in model container [2019-11-24 21:08:17,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:17" (1/1) ... [2019-11-24 21:08:17,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:17,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:18,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:18,767 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:18,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:19,025 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:19,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:19 WrapperNode [2019-11-24 21:08:19,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:19,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:19,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:19,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:19,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:19" (1/1) ... [2019-11-24 21:08:19,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:19" (1/1) ... [2019-11-24 21:08:19,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:19,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:19,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:19,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:19,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:19" (1/1) ... [2019-11-24 21:08:19,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:19" (1/1) ... [2019-11-24 21:08:19,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:19" (1/1) ... [2019-11-24 21:08:19,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:19" (1/1) ... [2019-11-24 21:08:19,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:19" (1/1) ... [2019-11-24 21:08:19,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:19" (1/1) ... [2019-11-24 21:08:19,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:19" (1/1) ... [2019-11-24 21:08:19,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:19,281 INFO L168 Benchmark]: Toolchain (without parser) took 1579.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.7 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:19,283 INFO L168 Benchmark]: CDTParser took 2.14 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. [2019-11-24 21:08:19,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.5 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:19,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.60 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:19,293 INFO L168 Benchmark]: Boogie Preprocessor took 94.38 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:19,309 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.14 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 1340.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.5 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 134.60 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 94.38 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.7 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 0.1.24-32f2683 [2019-11-24 21:08:23,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:23,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:23,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:23,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:23,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:23,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:23,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:23,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:23,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:23,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:23,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:23,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:23,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:23,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:23,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:23,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:23,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:23,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:23,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:23,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:23,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:23,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:23,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:23,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:23,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:23,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:23,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:23,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:23,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:23,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:23,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:23,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:23,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:23,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:23,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:23,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:23,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:23,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:23,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:23,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:23,289 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:23,329 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:23,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:23,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:23,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:23,334 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:23,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:23,337 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:23,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:23,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:23,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:23,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:23,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:23,342 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:23,342 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:23,343 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:23,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:23,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:23,344 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:23,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:23,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:23,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:23,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:23,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:23,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:23,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:23,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:23,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:23,350 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:23,351 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:23,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:23,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:23,354 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 -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2019-11-24 21:08:23,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:23,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:23,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:23,977 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:23,980 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:23,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-24 21:08:24,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9ebfb65c/bf72dc7f9d9e4658b04ad59369fc2d2a/FLAG45449820e [2019-11-24 21:08:25,358 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:25,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-24 21:08:25,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9ebfb65c/bf72dc7f9d9e4658b04ad59369fc2d2a/FLAG45449820e [2019-11-24 21:08:25,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9ebfb65c/bf72dc7f9d9e4658b04ad59369fc2d2a [2019-11-24 21:08:25,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:25,446 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:25,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:25,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:25,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:25,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:25" (1/1) ... [2019-11-24 21:08:25,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3699732f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:25, skipping insertion in model container [2019-11-24 21:08:25,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:25" (1/1) ... [2019-11-24 21:08:25,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:25,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:26,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:26,539 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:26,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:26,817 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:26,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:26 WrapperNode [2019-11-24 21:08:26,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:26,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:26,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:26,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:26,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:26" (1/1) ... [2019-11-24 21:08:26,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:26" (1/1) ... [2019-11-24 21:08:26,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:26,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:26,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:26,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:26,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:26" (1/1) ... [2019-11-24 21:08:26,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:26" (1/1) ... [2019-11-24 21:08:26,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:26" (1/1) ... [2019-11-24 21:08:26,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:26" (1/1) ... [2019-11-24 21:08:27,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:26" (1/1) ... [2019-11-24 21:08:27,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:26" (1/1) ... [2019-11-24 21:08:27,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:26" (1/1) ... [2019-11-24 21:08:27,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:27,074 INFO L168 Benchmark]: Toolchain (without parser) took 1627.76 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 972.7 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:27,078 INFO L168 Benchmark]: CDTParser took 0.39 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. [2019-11-24 21:08:27,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1371.24 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 978.4 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:27,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.47 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:27,082 INFO L168 Benchmark]: Boogie Preprocessor took 110.03 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:27,087 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 1371.24 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 978.4 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 138.47 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 110.03 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 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...