./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2c_append_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/list-simple/sll2c_append_equal.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 bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/list-simple/sll2c_append_equal.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 bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:12:03,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:03,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:03,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:03,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:03,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:03,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:03,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:03,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:03,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:03,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:03,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:03,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:03,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:03,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:03,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:03,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:03,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:03,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:03,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:03,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:03,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:03,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:03,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:03,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:03,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:03,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:03,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:03,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:03,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:03,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:03,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:03,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:03,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:03,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:03,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:03,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:03,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:03,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:03,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:03,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:03,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:12:03,609 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:03,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:03,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:03,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:03,616 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:03,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:03,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:03,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:12:03,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:03,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:03,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:03,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:03,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:03,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:03,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:03,624 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:03,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:03,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:03,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:03,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:03,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:03,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:03,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:03,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:03,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:03,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:12:03,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:12:03,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:03,632 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 -> bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 [2019-11-27 16:12:04,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:04,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:04,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:04,139 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:04,141 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:04,142 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 16:12:04,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df4b8e83/afc4a3de115842e897ef497c6cc55042/FLAG2197c8617 [2019-11-27 16:12:05,461 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:05,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 16:12:05,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df4b8e83/afc4a3de115842e897ef497c6cc55042/FLAG2197c8617 [2019-11-27 16:12:05,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df4b8e83/afc4a3de115842e897ef497c6cc55042 [2019-11-27 16:12:05,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:05,548 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:05,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:05,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:05,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:05,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:05" (1/1) ... [2019-11-27 16:12:05,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1353300f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:05, skipping insertion in model container [2019-11-27 16:12:05,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:05" (1/1) ... [2019-11-27 16:12:05,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:05,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:06,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:06,611 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:06,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:06,903 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:06,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:06 WrapperNode [2019-11-27 16:12:06,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:06,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:06,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:06,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:06,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:06" (1/1) ... [2019-11-27 16:12:07,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:06" (1/1) ... [2019-11-27 16:12:07,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:07,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:07,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:07,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:07,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:06" (1/1) ... [2019-11-27 16:12:07,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:06" (1/1) ... [2019-11-27 16:12:07,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:06" (1/1) ... [2019-11-27 16:12:07,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:06" (1/1) ... [2019-11-27 16:12:07,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:06" (1/1) ... [2019-11-27 16:12:07,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:06" (1/1) ... [2019-11-27 16:12:07,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:06" (1/1) ... [2019-11-27 16:12:07,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:07,184 INFO L168 Benchmark]: Toolchain (without parser) took 1632.03 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:07,186 INFO L168 Benchmark]: CDTParser took 1.46 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. [2019-11-27 16:12:07,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1355.86 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:07,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.47 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:07,211 INFO L168 Benchmark]: Boogie Preprocessor took 96.29 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. [2019-11-27 16:12:07,220 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 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 1355.86 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 170.47 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 96.29 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:12:10,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:12:10,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:12:11,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:12:11,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:12:11,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:12:11,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:12:11,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:12:11,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:12:11,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:12:11,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:12:11,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:12:11,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:12:11,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:12:11,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:12:11,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:12:11,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:12:11,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:12:11,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:12:11,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:12:11,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:12:11,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:12:11,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:12:11,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:12:11,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:12:11,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:12:11,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:12:11,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:12:11,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:12:11,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:12:11,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:12:11,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:12:11,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:12:11,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:12:11,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:12:11,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:12:11,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:12:11,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:12:11,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:12:11,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:12:11,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:12:11,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:12:11,196 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:12:11,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:12:11,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:12:11,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:12:11,201 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:12:11,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:12:11,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:12:11,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:12:11,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:12:11,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:12:11,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:12:11,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:12:11,208 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:12:11,208 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:12:11,209 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:12:11,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:12:11,209 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:12:11,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:12:11,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:12:11,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:12:11,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:12:11,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:12:11,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:12:11,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:12:11,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:12:11,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:12:11,215 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:12:11,215 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:12:11,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:12:11,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:12:11,218 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 -> bf5697d8d4dca230b1a96a38440f1f7c3ecc8c95 [2019-11-27 16:12:11,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:12:11,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:12:11,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:12:11,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:12:11,908 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:12:11,913 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 16:12:12,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4964a3f7a/49be8974d6bb450eb133f9364acfac44/FLAG19172fd22 [2019-11-27 16:12:13,278 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:12:13,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2019-11-27 16:12:13,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4964a3f7a/49be8974d6bb450eb133f9364acfac44/FLAG19172fd22 [2019-11-27 16:12:13,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4964a3f7a/49be8974d6bb450eb133f9364acfac44 [2019-11-27 16:12:13,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:12:13,368 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:12:13,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:13,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:12:13,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:12:13,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:13" (1/1) ... [2019-11-27 16:12:13,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d13d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:13, skipping insertion in model container [2019-11-27 16:12:13,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:12:13" (1/1) ... [2019-11-27 16:12:13,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:12:13,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:12:14,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:14,475 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:12:14,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:12:14,781 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:12:14,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:14 WrapperNode [2019-11-27 16:12:14,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:12:14,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:14,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:12:14,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:12:14,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:14" (1/1) ... [2019-11-27 16:12:14,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:14" (1/1) ... [2019-11-27 16:12:14,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:12:14,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:12:14,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:12:14,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:12:14,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:14" (1/1) ... [2019-11-27 16:12:14,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:14" (1/1) ... [2019-11-27 16:12:14,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:14" (1/1) ... [2019-11-27 16:12:14,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:14" (1/1) ... [2019-11-27 16:12:15,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:14" (1/1) ... [2019-11-27 16:12:15,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:14" (1/1) ... [2019-11-27 16:12:15,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:12:14" (1/1) ... [2019-11-27 16:12:15,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:12:15,085 INFO L168 Benchmark]: Toolchain (without parser) took 1711.16 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 966.8 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:12:15,086 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-27 16:12:15,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1414.41 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:12:15,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.05 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. [2019-11-27 16:12:15,092 INFO L168 Benchmark]: Boogie Preprocessor took 117.52 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. [2019-11-27 16:12:15,119 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1414.41 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 172.05 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 117.52 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...