./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-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/heap-manipulation/sll_to_dll_rev-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 1dce1ce44ca1491c0193a7993733791efa122195 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/heap-manipulation/sll_to_dll_rev-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 1dce1ce44ca1491c0193a7993733791efa122195 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:07:10,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:10,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:10,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:10,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:10,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:10,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:10,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:10,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:10,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:10,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:10,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:10,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:10,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:10,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:10,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:10,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:10,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:10,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:10,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:10,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:10,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:10,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:10,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:10,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:10,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:10,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:10,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:10,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:10,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:10,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:10,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:10,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:10,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:10,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:10,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:10,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:10,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:10,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:10,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:10,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:10,436 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:07:10,464 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:10,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:10,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:10,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:10,469 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:10,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:10,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:10,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:07:10,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:10,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:10,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:10,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:10,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:10,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:10,474 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:10,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:10,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:10,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:10,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:10,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:10,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:10,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:10,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:10,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:10,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:10,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:10,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:07:10,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:07:10,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:10,480 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 -> 1dce1ce44ca1491c0193a7993733791efa122195 [2019-11-24 21:07:10,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:10,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:10,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:10,989 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:10,989 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:10,990 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2019-11-24 21:07:11,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c6b1cbc3/2cc064157a624f54a1e203f537bf61b4/FLAG290f8c34d [2019-11-24 21:07:11,932 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:11,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2019-11-24 21:07:11,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c6b1cbc3/2cc064157a624f54a1e203f537bf61b4/FLAG290f8c34d [2019-11-24 21:07:12,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c6b1cbc3/2cc064157a624f54a1e203f537bf61b4 [2019-11-24 21:07:12,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:12,145 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:12,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:12,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:12,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:12,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:12" (1/1) ... [2019-11-24 21:07:12,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc7aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:12, skipping insertion in model container [2019-11-24 21:07:12,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:12" (1/1) ... [2019-11-24 21:07:12,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:12,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:12,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:12,914 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:13,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:13,129 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:13,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13 WrapperNode [2019-11-24 21:07:13,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:13,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:13,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:13,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:13,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:13,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:13,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:13,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:13,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:13" (1/1) ... [2019-11-24 21:07:13,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:13,362 INFO L168 Benchmark]: Toolchain (without parser) took 1204.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 966.8 MB in the end (delta: -6.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:13,371 INFO L168 Benchmark]: CDTParser took 0.56 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 21:07:13,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 980.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:13,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.55 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:13,380 INFO L168 Benchmark]: Boogie Preprocessor took 98.72 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:13,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 980.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 111.55 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 98.72 ms. Allocated memory is still 1.0 GB. Free memory is still 966.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:16,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:16,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:16,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:16,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:16,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:16,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:16,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:16,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:16,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:16,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:16,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:16,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:16,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:16,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:16,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:16,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:16,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:16,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:16,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:16,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:16,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:16,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:16,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:16,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:16,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:16,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:16,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:16,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:16,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:16,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:16,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:16,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:16,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:16,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:16,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:16,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:16,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:16,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:16,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:16,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:16,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:16,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:16,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:16,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:16,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:16,227 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:16,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:16,228 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:16,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:16,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:16,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:16,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:16,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:16,232 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:16,232 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:16,233 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:16,233 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:16,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:16,233 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:16,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:16,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:16,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:16,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:16,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:16,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:16,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:16,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:16,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:16,239 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:16,239 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:16,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:16,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:16,241 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 -> 1dce1ce44ca1491c0193a7993733791efa122195 [2019-11-24 21:07:16,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:16,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:16,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:16,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:16,673 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:16,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2019-11-24 21:07:16,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a31a0d9ba/d4c3955ff17a4c32a49f79c5332b76ad/FLAG4a2a5a677 [2019-11-24 21:07:17,615 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:17,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2019-11-24 21:07:17,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a31a0d9ba/d4c3955ff17a4c32a49f79c5332b76ad/FLAG4a2a5a677 [2019-11-24 21:07:17,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a31a0d9ba/d4c3955ff17a4c32a49f79c5332b76ad [2019-11-24 21:07:17,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:17,815 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:17,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:17,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:17,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:17,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17, skipping insertion in model container [2019-11-24 21:07:17,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:17,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:18,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:18,583 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:18,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:18,791 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:18,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:18 WrapperNode [2019-11-24 21:07:18,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:18,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:18,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:18,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:18,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:18" (1/1) ... [2019-11-24 21:07:18,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:18" (1/1) ... [2019-11-24 21:07:18,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:18,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:18,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:18,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:18,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:18" (1/1) ... [2019-11-24 21:07:18,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:18" (1/1) ... [2019-11-24 21:07:18,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:18" (1/1) ... [2019-11-24 21:07:18,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:18" (1/1) ... [2019-11-24 21:07:18,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:18" (1/1) ... [2019-11-24 21:07:19,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:18" (1/1) ... [2019-11-24 21:07:19,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:18" (1/1) ... [2019-11-24 21:07:19,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:19,044 INFO L168 Benchmark]: Toolchain (without parser) took 1226.33 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 961.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:19,050 INFO L168 Benchmark]: CDTParser took 0.36 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 21:07:19,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 970.46 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:19,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.27 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:19,054 INFO L168 Benchmark]: Boogie Preprocessor took 126.18 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:19,064 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 970.46 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 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 120.27 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 126.18 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.1 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...