./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-token-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-token-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 35a5ccff58935eefedf723cd2243fac7c8b8e61b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-token-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 35a5ccff58935eefedf723cd2243fac7c8b8e61b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:49:40,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:40,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:40,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:40,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:40,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:40,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:40,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:40,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:40,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:40,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:40,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:40,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:40,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:40,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:40,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:40,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:40,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:40,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:40,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:40,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:40,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:40,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:40,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:40,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:40,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:40,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:40,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:40,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:40,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:40,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:40,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:40,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:40,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:40,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:40,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:40,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:40,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:40,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:40,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:40,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:40,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:40,183 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:40,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:40,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:40,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:40,191 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:40,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:40,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:40,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:40,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:40,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:40,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:40,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:40,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:40,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:40,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:40,194 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:40,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:40,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:40,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:40,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:40,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:40,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:40,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:40,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:40,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:40,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:40,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:40,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:40,201 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 -> 35a5ccff58935eefedf723cd2243fac7c8b8e61b [2019-11-27 09:49:40,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:40,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:40,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:40,707 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:40,710 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:40,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-27 09:49:40,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa67f37c/04a2a5b7dde14c00a3d000b4177cc42c/FLAGe6cf3ca3d [2019-11-27 09:49:41,657 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:41,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-27 09:49:41,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa67f37c/04a2a5b7dde14c00a3d000b4177cc42c/FLAGe6cf3ca3d [2019-11-27 09:49:41,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa67f37c/04a2a5b7dde14c00a3d000b4177cc42c [2019-11-27 09:49:41,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:41,845 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:41,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:41,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:41,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:41,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:41" (1/1) ... [2019-11-27 09:49:41,859 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 09:49:41, skipping insertion in model container [2019-11-27 09:49:41,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:41" (1/1) ... [2019-11-27 09:49:41,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:41,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:42,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:42,584 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:42,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:42,758 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:42,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:42 WrapperNode [2019-11-27 09:49:42,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:42,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:42,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:42,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:42,768 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 09:49:42,800 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 09:49:42,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:42,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:42,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:42,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:42,865 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 09:49:42,865 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 09:49:42,878 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 09:49:42,878 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 09:49:42,904 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 09:49:42,926 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 09:49:42,933 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 09:49:42,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:42,946 INFO L168 Benchmark]: Toolchain (without parser) took 1099.55 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 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:42,949 INFO L168 Benchmark]: CDTParser took 0.23 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 09:49:42,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 908.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:42,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.81 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:42,959 INFO L168 Benchmark]: Boogie Preprocessor took 84.15 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 09:49:42,969 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 908.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 95.81 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 84.15 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. 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 09:49:45,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:45,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:45,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:45,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:45,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:45,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:45,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:45,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:45,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:45,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:45,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:45,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:45,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:45,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:45,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:45,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:45,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:45,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:45,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:45,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:45,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:45,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:45,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:45,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:45,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:45,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:45,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:45,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:45,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:45,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:45,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:45,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:45,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:45,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:45,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:45,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:45,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:45,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:45,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:45,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:45,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:45,824 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:45,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:45,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:45,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:45,830 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:45,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:45,832 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:45,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:45,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:45,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:45,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:45,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:45,834 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:45,834 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:45,834 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:45,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:45,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:45,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:45,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:45,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:45,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:45,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:45,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:45,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:45,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:45,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:45,839 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:45,842 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:45,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:45,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:45,843 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 -> 35a5ccff58935eefedf723cd2243fac7c8b8e61b [2019-11-27 09:49:46,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:46,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:46,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:46,292 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:46,294 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:46,296 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-27 09:49:46,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3937c2a3a/c3b084f4a7e54bb2b68dd3a3fa051d2c/FLAG7a37f6b3f [2019-11-27 09:49:47,232 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:47,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-27 09:49:47,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3937c2a3a/c3b084f4a7e54bb2b68dd3a3fa051d2c/FLAG7a37f6b3f [2019-11-27 09:49:47,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3937c2a3a/c3b084f4a7e54bb2b68dd3a3fa051d2c [2019-11-27 09:49:47,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:47,440 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:47,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:47,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:47,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:47,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:47" (1/1) ... [2019-11-27 09:49:47,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc4890b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:47, skipping insertion in model container [2019-11-27 09:49:47,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:47" (1/1) ... [2019-11-27 09:49:47,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:47,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:48,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:48,174 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:48,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:48,356 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:48,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:48 WrapperNode [2019-11-27 09:49:48,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:48,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:48,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:48,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:48,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:48" (1/1) ... [2019-11-27 09:49:48,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:48" (1/1) ... [2019-11-27 09:49:48,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:48,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:48,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:48,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:48,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:48" (1/1) ... [2019-11-27 09:49:48,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:48" (1/1) ... [2019-11-27 09:49:48,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:48" (1/1) ... [2019-11-27 09:49:48,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:48" (1/1) ... [2019-11-27 09:49:48,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:48" (1/1) ... [2019-11-27 09:49:48,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:48" (1/1) ... [2019-11-27 09:49:48,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:48" (1/1) ... [2019-11-27 09:49:48,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:48,543 INFO L168 Benchmark]: Toolchain (without parser) took 1101.82 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 972.8 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:48,544 INFO L168 Benchmark]: CDTParser took 0.32 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 09:49:48,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 916.34 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 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:48,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.33 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:48,550 INFO L168 Benchmark]: Boogie Preprocessor took 82.70 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 09:49:48,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 916.34 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 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 97.33 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.70 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...