./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/sll-queue-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/sll-queue-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 e5083763cd1026dac92f37bc5a05779baf01a71b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll-queue-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 e5083763cd1026dac92f37bc5a05779baf01a71b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:08:29,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:29,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:29,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:29,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:29,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:29,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:29,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:29,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:29,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:29,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:29,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:29,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:29,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:29,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:29,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:29,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:29,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:29,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:29,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:29,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:29,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:29,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:29,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:29,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:29,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:29,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:29,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:29,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:29,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:29,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:29,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:29,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:29,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:29,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:29,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:29,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:29,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:29,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:29,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:29,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:29,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:29,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:29,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:29,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:29,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:29,337 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:29,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:29,338 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:29,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:29,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:29,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:29,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:29,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:29,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:29,343 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:29,344 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:29,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:29,346 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:29,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:29,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:29,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:29,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:29,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:29,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:29,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:29,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:29,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:29,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:29,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:29,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:29,353 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 -> e5083763cd1026dac92f37bc5a05779baf01a71b [2019-11-24 21:08:29,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:29,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:29,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:29,913 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:29,916 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:29,918 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-queue-2.i [2019-11-24 21:08:30,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aed1f70e/581544fa339644e3b18713ad13d0878d/FLAGb9c9043a0 [2019-11-24 21:08:31,289 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:31,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-2.i [2019-11-24 21:08:31,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aed1f70e/581544fa339644e3b18713ad13d0878d/FLAGb9c9043a0 [2019-11-24 21:08:31,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aed1f70e/581544fa339644e3b18713ad13d0878d [2019-11-24 21:08:31,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:31,386 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:31,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:31,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:31,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:31,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:31,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:31, skipping insertion in model container [2019-11-24 21:08:31,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:31,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:31,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:32,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:32,488 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:32,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:32,764 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:32,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:32 WrapperNode [2019-11-24 21:08:32,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:32,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:32,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:32,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:32,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:32" (1/1) ... [2019-11-24 21:08:32,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:32" (1/1) ... [2019-11-24 21:08:32,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:32,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:32,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:32,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:32,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:32" (1/1) ... [2019-11-24 21:08:32,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:32" (1/1) ... [2019-11-24 21:08:32,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:32" (1/1) ... [2019-11-24 21:08:32,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:32" (1/1) ... [2019-11-24 21:08:33,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:32" (1/1) ... [2019-11-24 21:08:33,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:32" (1/1) ... [2019-11-24 21:08:33,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:32" (1/1) ... [2019-11-24 21:08:33,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:33,067 INFO L168 Benchmark]: Toolchain (without parser) took 1665.29 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 21:08:33,068 INFO L168 Benchmark]: CDTParser took 1.15 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 21:08:33,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1375.14 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:33,073 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.67 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 21:08:33,078 INFO L168 Benchmark]: Boogie Preprocessor took 111.92 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 21:08:33,088 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 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 1375.14 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 978.5 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 165.67 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 111.92 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 21:08:36,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:36,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:36,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:36,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:36,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:36,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:36,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:37,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:37,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:37,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:37,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:37,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:37,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:37,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:37,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:37,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:37,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:37,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:37,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:37,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:37,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:37,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:37,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:37,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:37,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:37,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:37,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:37,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:37,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:37,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:37,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:37,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:37,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:37,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:37,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:37,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:37,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:37,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:37,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:37,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:37,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:37,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:37,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:37,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:37,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:37,159 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:37,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:37,160 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:37,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:37,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:37,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:37,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:37,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:37,167 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:37,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:37,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:37,168 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:37,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:37,169 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:37,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:37,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:37,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:37,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:37,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:37,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:37,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:37,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:37,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:37,175 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:37,175 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:37,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:37,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:37,179 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 -> e5083763cd1026dac92f37bc5a05779baf01a71b [2019-11-24 21:08:37,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:37,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:37,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:37,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:37,849 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:37,850 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-queue-2.i [2019-11-24 21:08:38,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/362063d47/92f815689197450ead572e1702ec71a1/FLAG7056ee066 [2019-11-24 21:08:39,203 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:39,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-2.i [2019-11-24 21:08:39,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/362063d47/92f815689197450ead572e1702ec71a1/FLAG7056ee066 [2019-11-24 21:08:39,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/362063d47/92f815689197450ead572e1702ec71a1 [2019-11-24 21:08:39,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:39,290 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:39,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:39,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:39,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:39,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:39, skipping insertion in model container [2019-11-24 21:08:39,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:39,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:40,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:40,471 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:40,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:40,748 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:40,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:40 WrapperNode [2019-11-24 21:08:40,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:40,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:40,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:40,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:40,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:40" (1/1) ... [2019-11-24 21:08:40,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:40" (1/1) ... [2019-11-24 21:08:40,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:40,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:40,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:40,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:40,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:40" (1/1) ... [2019-11-24 21:08:40,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:40" (1/1) ... [2019-11-24 21:08:40,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:40" (1/1) ... [2019-11-24 21:08:40,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:40" (1/1) ... [2019-11-24 21:08:40,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:40" (1/1) ... [2019-11-24 21:08:40,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:40" (1/1) ... [2019-11-24 21:08:40,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:40" (1/1) ... [2019-11-24 21:08:41,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:41,027 INFO L168 Benchmark]: Toolchain (without parser) took 1731.09 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. [2019-11-24 21:08:41,033 INFO L168 Benchmark]: CDTParser took 1.31 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 21:08:41,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1449.40 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 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:41,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.76 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. [2019-11-24 21:08:41,040 INFO L168 Benchmark]: Boogie Preprocessor took 135.60 ms. Allocated memory is still 1.0 GB. Free memory is still 968.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:41,052 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 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 1449.40 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 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 130.76 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. * Boogie Preprocessor took 135.60 ms. Allocated memory is still 1.0 GB. Free memory is still 968.5 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...