./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/sll-optional-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-optional-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 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-optional-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 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:08:28,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:28,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:28,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:28,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:28,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:28,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:28,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:28,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:28,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:28,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:28,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:28,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:28,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:28,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:28,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:28,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:28,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:28,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:28,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:28,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:28,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:28,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:28,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:28,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:28,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:28,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:28,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:28,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:28,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:28,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:28,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:28,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:28,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:28,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:28,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:28,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:28,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:28,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:28,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:28,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:28,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:08:28,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:28,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:28,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:28,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:28,523 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:28,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:28,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:28,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:08:28,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:28,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:28,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:28,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:28,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:28,530 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:28,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:28,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:28,531 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:28,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:28,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:28,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:28,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:28,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:28,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:28,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:28,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:28,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:28,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:08:28,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:08:28,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:28,540 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 -> 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 [2019-11-24 21:08:29,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:29,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:29,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:29,051 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:29,054 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:29,055 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-24 21:08:29,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7ae71027/d8f24cb2a18642b194d80dcddbc98ded/FLAGc3ff731e2 [2019-11-24 21:08:30,412 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:30,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-24 21:08:30,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7ae71027/d8f24cb2a18642b194d80dcddbc98ded/FLAGc3ff731e2 [2019-11-24 21:08:30,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7ae71027/d8f24cb2a18642b194d80dcddbc98ded [2019-11-24 21:08:30,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:30,501 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:30,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:30,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:30,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:30,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:30" (1/1) ... [2019-11-24 21:08:30,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3699732f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:30, skipping insertion in model container [2019-11-24 21:08:30,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:30" (1/1) ... [2019-11-24 21:08:30,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:30,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:31,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:31,528 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:31,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:31,774 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:31,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:31 WrapperNode [2019-11-24 21:08:31,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:31,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:31,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:31,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:31,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:31,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:31,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:31,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:31,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:31,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:31,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:31,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:31,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:31,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:31,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:32,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:32,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:31" (1/1) ... [2019-11-24 21:08:32,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:32,038 INFO L168 Benchmark]: Toolchain (without parser) took 1531.98 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.7 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:32,054 INFO L168 Benchmark]: CDTParser took 0.93 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 21:08:32,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1267.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.4 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:32,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.88 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:32,062 INFO L168 Benchmark]: Boogie Preprocessor took 97.17 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:32,071 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 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 1267.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 978.4 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 154.88 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 97.17 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:08:36,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:08:36,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:08:36,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:08:36,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:08:36,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:08:36,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:08:36,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:08:36,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:08:36,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:08:36,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:08:36,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:08:36,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:08:36,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:08:36,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:08:36,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:08:36,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:08:36,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:08:36,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:08:36,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:08:36,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:08:36,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:08:36,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:08:36,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:08:36,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:08:36,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:08:36,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:08:36,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:08:36,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:08:36,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:08:36,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:08:36,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:08:36,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:08:36,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:08:36,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:08:36,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:08:36,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:08:36,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:08:36,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:08:36,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:08:36,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:08:36,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:08:36,245 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:08:36,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:08:36,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:08:36,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:08:36,256 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:08:36,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:08:36,259 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:08:36,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:08:36,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:08:36,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:08:36,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:08:36,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:08:36,262 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:08:36,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:08:36,264 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:08:36,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:08:36,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:08:36,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:08:36,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:08:36,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:08:36,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:08:36,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:08:36,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:08:36,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:08:36,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:08:36,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:08:36,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:08:36,271 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:08:36,273 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:08:36,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:08:36,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:08:36,276 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 -> 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 [2019-11-24 21:08:36,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:08:36,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:08:36,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:08:36,868 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:08:36,871 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:08:36,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-24 21:08:37,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bd45ce60/c3d55d27b0a7461493e5af887aa4b410/FLAG097ac4545 [2019-11-24 21:08:38,231 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:08:38,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-24 21:08:38,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bd45ce60/c3d55d27b0a7461493e5af887aa4b410/FLAG097ac4545 [2019-11-24 21:08:38,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bd45ce60/c3d55d27b0a7461493e5af887aa4b410 [2019-11-24 21:08:38,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:38,316 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:38,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:38,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:38,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:38,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:38" (1/1) ... [2019-11-24 21:08:38,346 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 09:08:38, skipping insertion in model container [2019-11-24 21:08:38,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:38" (1/1) ... [2019-11-24 21:08:38,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:38,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:39,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:39,425 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:39,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:39,693 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:39,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:39 WrapperNode [2019-11-24 21:08:39,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:39,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:39,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:39,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:39,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:39,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:39,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:39,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:39,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:39" (1/1) ... [2019-11-24 21:08:39,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:39,972 INFO L168 Benchmark]: Toolchain (without parser) took 1649.75 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 21:08:39,974 INFO L168 Benchmark]: CDTParser took 2.92 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 21:08:39,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1367.85 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 21:08:39,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.79 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 21:08:39,989 INFO L168 Benchmark]: Boogie Preprocessor took 129.16 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 21:08:40,006 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.92 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 1367.85 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 136.79 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 129.16 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...