./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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_remove_all_reverse.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 8e9bd4c45107b8bac8caf02aded500b0232909d1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_remove_all_reverse.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 8e9bd4c45107b8bac8caf02aded500b0232909d1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:55:14,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:14,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:14,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:14,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:14,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:14,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:15,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:15,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:15,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:15,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:15,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:15,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:15,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:15,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:15,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:15,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:15,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:15,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:15,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:15,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:15,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:15,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:15,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:15,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:15,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:15,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:15,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:15,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:15,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:15,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:15,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:15,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:15,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:15,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:15,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:15,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:15,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:15,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:15,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:15,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:15,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:55:15,168 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:15,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:15,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:15,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:15,176 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:15,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:15,179 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:15,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:55:15,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:15,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:15,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:15,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:15,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:15,185 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:15,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:15,186 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:15,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:15,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:15,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:15,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:15,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:15,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:15,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:15,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:15,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:15,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:55:15,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:55:15,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:15,197 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 -> 8e9bd4c45107b8bac8caf02aded500b0232909d1 [2019-11-25 22:55:15,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:15,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:15,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:15,819 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:15,820 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:15,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-25 22:55:15,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4ff6aef/76a451ef52ba45fb91bed1cc5da63ae4/FLAG99847c862 [2019-11-25 22:55:17,213 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:17,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-25 22:55:17,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4ff6aef/76a451ef52ba45fb91bed1cc5da63ae4/FLAG99847c862 [2019-11-25 22:55:17,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4ff6aef/76a451ef52ba45fb91bed1cc5da63ae4 [2019-11-25 22:55:17,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:17,308 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:17,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:17,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:17,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:17,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:17" (1/1) ... [2019-11-25 22:55:17,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323140ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:17, skipping insertion in model container [2019-11-25 22:55:17,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:17" (1/1) ... [2019-11-25 22:55:17,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:17,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:18,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:18,401 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:18,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:18,684 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:18,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18 WrapperNode [2019-11-25 22:55:18,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:18,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:18,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:18,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:18,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:18,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:18,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:18,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:18,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:18" (1/1) ... [2019-11-25 22:55:18,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:18,965 INFO L168 Benchmark]: Toolchain (without parser) took 1653.69 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 966.8 MB in the end (delta: 618.4 kB). Peak memory consumption was 684.0 kB. Max. memory is 12.5 GB. [2019-11-25 22:55:18,980 INFO L168 Benchmark]: CDTParser took 1.67 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. [2019-11-25 22:55:18,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1376.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:18,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.14 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. [2019-11-25 22:55:18,992 INFO L168 Benchmark]: Boogie Preprocessor took 96.93 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. [2019-11-25 22:55:19,004 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67 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 1376.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 172.14 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 96.93 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 0.1.24-65d6cd2 [2019-11-25 22:55:22,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:55:22,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:55:22,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:55:22,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:55:22,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:55:22,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:55:22,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:55:22,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:55:22,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:55:22,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:55:22,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:55:22,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:55:22,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:55:22,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:55:22,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:55:22,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:55:22,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:55:22,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:55:22,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:55:22,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:55:22,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:55:22,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:55:22,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:55:22,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:55:22,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:55:22,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:55:22,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:55:22,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:55:22,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:55:22,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:55:22,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:55:22,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:55:22,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:55:22,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:55:22,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:55:22,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:55:22,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:55:23,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:55:23,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:55:23,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:55:23,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:55:23,054 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:55:23,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:55:23,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:55:23,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:55:23,063 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:55:23,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:55:23,064 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:55:23,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:55:23,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:55:23,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:55:23,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:55:23,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:55:23,069 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:55:23,070 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:55:23,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:55:23,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:55:23,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:55:23,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:55:23,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:55:23,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:55:23,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:55:23,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:55:23,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:55:23,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:55:23,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:55:23,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:55:23,077 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:55:23,077 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:55:23,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:55:23,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:55:23,079 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 -> 8e9bd4c45107b8bac8caf02aded500b0232909d1 [2019-11-25 22:55:23,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:55:23,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:55:23,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:55:23,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:55:23,716 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:55:23,718 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-25 22:55:23,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/122abd201/f61649dfbf6c41cbb3e71d26714934a3/FLAGc6d11538c [2019-11-25 22:55:25,117 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:55:25,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2019-11-25 22:55:25,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/122abd201/f61649dfbf6c41cbb3e71d26714934a3/FLAGc6d11538c [2019-11-25 22:55:25,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/122abd201/f61649dfbf6c41cbb3e71d26714934a3 [2019-11-25 22:55:25,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:55:25,220 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:55:25,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:25,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:55:25,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:55:25,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:25" (1/1) ... [2019-11-25 22:55:25,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cf8e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:25, skipping insertion in model container [2019-11-25 22:55:25,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:55:25" (1/1) ... [2019-11-25 22:55:25,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:55:25,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:55:26,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:26,344 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:55:26,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:55:26,615 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:55:26,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26 WrapperNode [2019-11-25 22:55:26,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:55:26,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:26,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:55:26,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:55:26,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:55:26,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:55:26,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:55:26,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:55:26,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:55:26" (1/1) ... [2019-11-25 22:55:26,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:55:26,934 INFO L168 Benchmark]: Toolchain (without parser) took 1709.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:55:26,935 INFO L168 Benchmark]: CDTParser took 0.94 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. [2019-11-25 22:55:26,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1396.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:26,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.64 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:55:26,942 INFO L168 Benchmark]: Boogie Preprocessor took 118.36 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. [2019-11-25 22:55:26,963 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 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 1396.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 185.64 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 118.36 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...