./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/sll-queue-1.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-1.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 7a8c56772773bb41a30a4208cc9fc6fce3f9d2e2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-1.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 7a8c56772773bb41a30a4208cc9fc6fce3f9d2e2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:08:28,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:29,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:29,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:29,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:29,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:29,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:29,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:29,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:29,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:29,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:29,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:29,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:29,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:29,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:29,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:29,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:29,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:29,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:29,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:29,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:29,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:29,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:29,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:29,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:29,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:29,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:29,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:29,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:29,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:29,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:29,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:29,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:29,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:29,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:29,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:29,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:29,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:29,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:29,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:29,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:29,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:29,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:29,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:29,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:29,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:29,289 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:29,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:29,290 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:29,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:29,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:29,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:29,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:29,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:29,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:29,297 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:29,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:29,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:29,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:29,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:29,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:29,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:29,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:29,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:29,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:29,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:29,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:29,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:29,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:29,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:29,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:29,314 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 -> 7a8c56772773bb41a30a4208cc9fc6fce3f9d2e2 [2019-11-24 21:08:29,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:30,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:30,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:30,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:30,028 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:30,029 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-queue-1.i [2019-11-24 21:08:30,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fb98355/78531d93d3f44e9d8fce7f6bd9231e42/FLAG91efafacc [2019-11-24 21:08:31,473 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:31,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i [2019-11-24 21:08:31,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fb98355/78531d93d3f44e9d8fce7f6bd9231e42/FLAG91efafacc [2019-11-24 21:08:31,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99fb98355/78531d93d3f44e9d8fce7f6bd9231e42 [2019-11-24 21:08:31,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:31,566 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:31,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:31,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:31,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:31,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:31,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5eb229 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 21:08:31,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:31,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:31,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:32,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:32,732 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:32,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:33,023 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:33,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:33 WrapperNode [2019-11-24 21:08:33,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:33,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:33,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:33,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:33,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:33" (1/1) ... [2019-11-24 21:08:33,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:33" (1/1) ... [2019-11-24 21:08:33,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:33,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:33,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:33,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:33,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:33" (1/1) ... [2019-11-24 21:08:33,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:33" (1/1) ... [2019-11-24 21:08:33,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:33" (1/1) ... [2019-11-24 21:08:33,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:33" (1/1) ... [2019-11-24 21:08:33,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:33" (1/1) ... [2019-11-24 21:08:33,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:33" (1/1) ... [2019-11-24 21:08:33,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:33" (1/1) ... [2019-11-24 21:08:33,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:33,368 INFO L168 Benchmark]: Toolchain (without parser) took 1800.55 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 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:33,371 INFO L168 Benchmark]: CDTParser took 2.39 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 21:08:33,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1453.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:33,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:33,381 INFO L168 Benchmark]: Boogie Preprocessor took 140.76 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:33,392 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.39 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 1453.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 189.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 140.76 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 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 21:08:37,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:37,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:37,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:37,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:37,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:37,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:37,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:37,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:37,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:37,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:37,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:37,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:37,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:37,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:37,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:37,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:37,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:37,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:37,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:37,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:37,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:37,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:37,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:37,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:37,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:37,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:37,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:37,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:37,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:37,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:37,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:37,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:37,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:37,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:37,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:37,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:37,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:37,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:37,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:37,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:37,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:37,599 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:37,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:37,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:37,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:37,607 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:37,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:37,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:37,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:37,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:37,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:37,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:37,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:37,613 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:37,614 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:37,616 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:37,616 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:37,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:37,617 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:37,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:37,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:37,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:37,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:37,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:37,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:37,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:37,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:37,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:37,623 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:37,623 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:37,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:37,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:37,628 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 -> 7a8c56772773bb41a30a4208cc9fc6fce3f9d2e2 [2019-11-24 21:08:38,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:38,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:38,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:38,261 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:38,264 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:38,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-queue-1.i [2019-11-24 21:08:38,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3def792/c7741390c0c84f858904f135653b2e9f/FLAG6efa51c7e [2019-11-24 21:08:39,694 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:39,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i [2019-11-24 21:08:39,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3def792/c7741390c0c84f858904f135653b2e9f/FLAG6efa51c7e [2019-11-24 21:08:39,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3def792/c7741390c0c84f858904f135653b2e9f [2019-11-24 21:08:39,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:39,792 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:39,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:39,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:39,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:39,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a34ab8 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 21:08:39,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:39,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:40,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:41,003 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:41,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:41,300 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:41,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:41 WrapperNode [2019-11-24 21:08:41,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:41,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:41,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:41,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:41,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:41" (1/1) ... [2019-11-24 21:08:41,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:41" (1/1) ... [2019-11-24 21:08:41,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:41,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:41,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:41,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:41,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:41" (1/1) ... [2019-11-24 21:08:41,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:41" (1/1) ... [2019-11-24 21:08:41,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:41" (1/1) ... [2019-11-24 21:08:41,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:41" (1/1) ... [2019-11-24 21:08:41,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:41" (1/1) ... [2019-11-24 21:08:41,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:41" (1/1) ... [2019-11-24 21:08:41,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:41" (1/1) ... [2019-11-24 21:08:41,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:41,576 INFO L168 Benchmark]: Toolchain (without parser) took 1779.33 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 968.5 MB in the end (delta: -1.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:41,579 INFO L168 Benchmark]: CDTParser took 2.78 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 21:08:41,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1506.00 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 21:08:41,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.48 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 21:08:41,598 INFO L168 Benchmark]: Boogie Preprocessor took 120.90 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 21:08:41,607 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.78 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 1506.00 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 143.48 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 120.90 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...