./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-01-2.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-01-2.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 877ba8a79b8b7ad33de53a48617e3dd4b0411834 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-01-2.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 877ba8a79b8b7ad33de53a48617e3dd4b0411834 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:49:25,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:25,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:25,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:25,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:25,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:25,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:25,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:25,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:25,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:25,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:25,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:25,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:25,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:25,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:25,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:25,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:25,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:25,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:25,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:25,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:25,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:25,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:25,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:25,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:25,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:25,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:25,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:25,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:25,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:25,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:25,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:25,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:25,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:25,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:25,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:25,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:25,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:25,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:25,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:25,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:25,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:25,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:25,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:25,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:25,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:25,903 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:25,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:25,905 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:25,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:25,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:25,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:25,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:25,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:25,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:25,911 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:25,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:25,914 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:25,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:25,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:25,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:25,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:25,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:25,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:25,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:25,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:25,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:25,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:25,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:25,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:25,921 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 -> 877ba8a79b8b7ad33de53a48617e3dd4b0411834 [2019-11-27 09:49:26,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:26,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:26,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:26,633 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:26,635 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:26,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-01-2.i [2019-11-27 09:49:26,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bad6ae33b/bc33bcab42fe4771b51021f472191cec/FLAGcd8622f19 [2019-11-27 09:49:28,052 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:28,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i [2019-11-27 09:49:28,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bad6ae33b/bc33bcab42fe4771b51021f472191cec/FLAGcd8622f19 [2019-11-27 09:49:28,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bad6ae33b/bc33bcab42fe4771b51021f472191cec [2019-11-27 09:49:28,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:28,149 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:28,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:28,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:28,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:28,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:28" (1/1) ... [2019-11-27 09:49:28,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3699732f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:28, skipping insertion in model container [2019-11-27 09:49:28,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:28" (1/1) ... [2019-11-27 09:49:28,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:28,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:29,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:29,266 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:29,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:29,548 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:29,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:29 WrapperNode [2019-11-27 09:49:29,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:29,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:29,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:29,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:29,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:29" (1/1) ... [2019-11-27 09:49:29,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:29" (1/1) ... [2019-11-27 09:49:29,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:29,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:29,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:29,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:29,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:29" (1/1) ... [2019-11-27 09:49:29,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:29" (1/1) ... [2019-11-27 09:49:29,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:29" (1/1) ... [2019-11-27 09:49:29,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:29" (1/1) ... [2019-11-27 09:49:29,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:29" (1/1) ... [2019-11-27 09:49:29,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:29" (1/1) ... [2019-11-27 09:49:29,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:29" (1/1) ... [2019-11-27 09:49:29,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:29,832 INFO L168 Benchmark]: Toolchain (without parser) took 1676.07 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:29,842 INFO L168 Benchmark]: CDTParser took 1.31 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 09:49:29,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1399.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:29,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:29,849 INFO L168 Benchmark]: Boogie Preprocessor took 111.66 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 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. [2019-11-27 09:49:29,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 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 1399.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 156.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 111.66 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 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. 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 09:49:33,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:33,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:33,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:33,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:33,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:33,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:33,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:33,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:33,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:33,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:33,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:33,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:33,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:33,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:33,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:33,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:33,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:33,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:33,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:33,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:33,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:33,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:33,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:33,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:33,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:33,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:33,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:33,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:33,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:33,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:33,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:33,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:33,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:33,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:33,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:33,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:33,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:33,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:33,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:33,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:33,932 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:33,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:33,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:33,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:33,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:33,981 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:33,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:33,982 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:33,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:33,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:33,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:33,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:33,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:33,985 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:33,985 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:33,988 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:33,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:33,988 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:33,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:33,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:33,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:33,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:33,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:33,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:33,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:33,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:33,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:33,994 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:33,994 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:33,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:33,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:33,997 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 -> 877ba8a79b8b7ad33de53a48617e3dd4b0411834 [2019-11-27 09:49:34,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:34,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:34,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:34,595 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:34,595 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:34,599 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-01-2.i [2019-11-27 09:49:34,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112d9c2aa/79a06b90109946cd8d2fd83f1dd491f4/FLAGad5254f99 [2019-11-27 09:49:35,955 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:35,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-2.i [2019-11-27 09:49:36,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112d9c2aa/79a06b90109946cd8d2fd83f1dd491f4/FLAGad5254f99 [2019-11-27 09:49:36,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112d9c2aa/79a06b90109946cd8d2fd83f1dd491f4 [2019-11-27 09:49:36,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:36,069 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:36,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:36,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:36,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:36,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:36" (1/1) ... [2019-11-27 09:49:36,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef4d55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:36, skipping insertion in model container [2019-11-27 09:49:36,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:36" (1/1) ... [2019-11-27 09:49:36,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:36,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:37,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:37,212 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:37,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:37,490 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:37,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:37 WrapperNode [2019-11-27 09:49:37,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:37,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:37,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:37,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:37,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:37" (1/1) ... [2019-11-27 09:49:37,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:37" (1/1) ... [2019-11-27 09:49:37,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:37,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:37,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:37,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:37,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:37" (1/1) ... [2019-11-27 09:49:37,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:37" (1/1) ... [2019-11-27 09:49:37,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:37" (1/1) ... [2019-11-27 09:49:37,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:37" (1/1) ... [2019-11-27 09:49:37,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:37" (1/1) ... [2019-11-27 09:49:37,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:37" (1/1) ... [2019-11-27 09:49:37,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:37" (1/1) ... [2019-11-27 09:49:37,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:37,802 INFO L168 Benchmark]: Toolchain (without parser) took 1727.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 972.8 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:37,803 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-27 09:49:37,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1414.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.5 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:37,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.63 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:37,818 INFO L168 Benchmark]: Boogie Preprocessor took 131.36 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:37,835 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1414.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.5 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 165.63 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 131.36 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 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...