./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/dll-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 333a0564072dd31bf7e82e165661bf94788e3c7f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/dll-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 333a0564072dd31bf7e82e165661bf94788e3c7f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:30,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:30,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:30,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:30,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:30,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:30,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:30,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:30,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:30,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:30,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:30,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:30,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:30,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:30,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:30,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:30,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:30,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:30,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:30,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:30,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:30,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:31,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:31,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:31,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:31,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:31,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:31,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:31,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:31,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:31,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:31,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:31,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:31,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:31,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:31,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:31,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:31,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:31,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:31,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:31,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:31,048 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:31,087 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:31,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:31,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:31,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:31,096 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:31,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:31,097 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:31,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:31,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:31,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:31,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:31,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:31,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:31,102 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:31,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:31,103 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:31,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:31,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:31,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:31,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:31,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:31,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:31,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:31,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:31,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:31,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:31,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:31,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:31,111 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 -> 333a0564072dd31bf7e82e165661bf94788e3c7f [2019-11-27 09:49:31,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:31,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:31,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:31,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:31,754 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:31,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-reverse.i [2019-11-27 09:49:31,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414a1cdb5/9bee956857a54aa680c8ebf87bf972aa/FLAGdbd70c869 [2019-11-27 09:49:33,133 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:33,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-reverse.i [2019-11-27 09:49:33,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414a1cdb5/9bee956857a54aa680c8ebf87bf972aa/FLAGdbd70c869 [2019-11-27 09:49:33,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/414a1cdb5/9bee956857a54aa680c8ebf87bf972aa [2019-11-27 09:49:33,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:33,213 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:33,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:33,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:33,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:33,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:33" (1/1) ... [2019-11-27 09:49:33,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7241e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:33, skipping insertion in model container [2019-11-27 09:49:33,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:33" (1/1) ... [2019-11-27 09:49:33,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:33,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:34,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:34,336 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:34,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:34,589 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:34,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:34 WrapperNode [2019-11-27 09:49:34,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:34,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:34,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:34,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:34,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:34" (1/1) ... [2019-11-27 09:49:34,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:34" (1/1) ... [2019-11-27 09:49:34,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:34,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:34,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:34,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:34,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:34" (1/1) ... [2019-11-27 09:49:34,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:34" (1/1) ... [2019-11-27 09:49:34,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:34" (1/1) ... [2019-11-27 09:49:34,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:34" (1/1) ... [2019-11-27 09:49:34,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:34" (1/1) ... [2019-11-27 09:49:34,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:34" (1/1) ... [2019-11-27 09:49:34,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:34" (1/1) ... [2019-11-27 09:49:34,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:34,862 INFO L168 Benchmark]: Toolchain (without parser) took 1642.92 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 968.4 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:34,876 INFO L168 Benchmark]: CDTParser took 2.02 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 09:49:34,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1366.16 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 974.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:34,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.25 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:34,883 INFO L168 Benchmark]: Boogie Preprocessor took 110.78 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:34,895 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.02 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 1366.16 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 974.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 147.25 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 110.78 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 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-da95e15 [2019-11-27 09:49:38,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:38,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:38,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:38,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:38,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:38,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:38,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:38,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:38,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:38,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:38,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:38,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:38,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:38,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:38,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:38,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:38,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:38,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:38,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:38,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:38,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:38,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:38,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:38,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:38,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:38,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:38,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:38,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:38,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:38,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:38,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:38,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:38,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:38,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:38,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:38,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:38,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:38,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:38,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:38,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:38,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:38,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:38,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:38,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:38,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:38,904 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:38,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:38,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:38,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:38,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:38,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:38,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:38,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:38,909 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:38,912 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:38,913 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:38,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:38,913 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:38,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:38,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:38,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:38,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:38,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:38,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:38,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:38,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:38,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:38,918 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:38,919 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:38,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:38,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:38,922 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 -> 333a0564072dd31bf7e82e165661bf94788e3c7f [2019-11-27 09:49:39,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:39,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:39,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:39,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:39,514 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:39,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-reverse.i [2019-11-27 09:49:39,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8b23901/b3a72c70271b487c83e8125697e9a494/FLAGa44285bf8 [2019-11-27 09:49:40,891 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:40,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-reverse.i [2019-11-27 09:49:40,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8b23901/b3a72c70271b487c83e8125697e9a494/FLAGa44285bf8 [2019-11-27 09:49:40,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8b23901/b3a72c70271b487c83e8125697e9a494 [2019-11-27 09:49:40,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:40,983 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:40,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:40,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:40,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:40,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:41,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59933dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:41, skipping insertion in model container [2019-11-27 09:49:41,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:40" (1/1) ... [2019-11-27 09:49:41,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:41,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:42,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:42,123 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:42,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:42,394 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:42,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:42 WrapperNode [2019-11-27 09:49:42,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:42,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:42,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:42,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:42,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:42" (1/1) ... [2019-11-27 09:49:42,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:42" (1/1) ... [2019-11-27 09:49:42,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:42,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:42,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:42,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:42,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:42" (1/1) ... [2019-11-27 09:49:42,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:42" (1/1) ... [2019-11-27 09:49:42,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:42" (1/1) ... [2019-11-27 09:49:42,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:42" (1/1) ... [2019-11-27 09:49:42,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:42" (1/1) ... [2019-11-27 09:49:42,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:42" (1/1) ... [2019-11-27 09:49:42,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:42" (1/1) ... [2019-11-27 09:49:42,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:42,726 INFO L168 Benchmark]: Toolchain (without parser) took 1737.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 968.4 MB in the end (delta: -8.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:42,727 INFO L168 Benchmark]: CDTParser took 0.40 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 09:49:42,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1408.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 974.1 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:42,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.31 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:42,734 INFO L168 Benchmark]: Boogie Preprocessor took 133.85 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:42,743 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1408.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 974.1 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 187.31 ms. Allocated memory is still 1.0 GB. Free memory is still 974.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 133.85 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 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...