./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.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 436b5c72ff67e2244c8257fbd882ddaf383eff22 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll-rb-sentinel-1.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 436b5c72ff67e2244c8257fbd882ddaf383eff22 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:43,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:43,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:43,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:43,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:43,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:43,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:43,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:43,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:43,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:43,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:43,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:44,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:44,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:44,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:44,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:44,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:44,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:44,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:44,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:44,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:44,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:44,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:44,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:44,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:44,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:44,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:44,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:44,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:44,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:44,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:44,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:44,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:44,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:44,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:44,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:44,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:44,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:44,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:44,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:44,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:44,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:54:44,142 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:44,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:44,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:44,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:44,152 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:44,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:44,153 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:44,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:54:44,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:44,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:44,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:44,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:44,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:44,159 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:44,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:44,160 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:44,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:44,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:44,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:44,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:44,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:44,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:44,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:44,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:44,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:44,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:54:44,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:54:44,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:44,167 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 -> 436b5c72ff67e2244c8257fbd882ddaf383eff22 [2019-11-25 22:54:44,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:44,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:44,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:44,729 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:44,729 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:44,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-25 22:54:44,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec72c7ae9/4c50aad3e0bf460ab110ce755fbd9a85/FLAG5ac706aff [2019-11-25 22:54:46,118 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:46,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-25 22:54:46,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec72c7ae9/4c50aad3e0bf460ab110ce755fbd9a85/FLAG5ac706aff [2019-11-25 22:54:46,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec72c7ae9/4c50aad3e0bf460ab110ce755fbd9a85 [2019-11-25 22:54:46,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:46,218 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:46,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:46,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:46,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:46,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:46" (1/1) ... [2019-11-25 22:54:46,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:46, skipping insertion in model container [2019-11-25 22:54:46,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:46" (1/1) ... [2019-11-25 22:54:46,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:46,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:47,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:47,244 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:47,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:47,482 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:47,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:47 WrapperNode [2019-11-25 22:54:47,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:47,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:47,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:47,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:47,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:47" (1/1) ... [2019-11-25 22:54:47,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:47" (1/1) ... [2019-11-25 22:54:47,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:47,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:47,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:47,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:47,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:47" (1/1) ... [2019-11-25 22:54:47,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:47" (1/1) ... [2019-11-25 22:54:47,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:47" (1/1) ... [2019-11-25 22:54:47,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:47" (1/1) ... [2019-11-25 22:54:47,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:47" (1/1) ... [2019-11-25 22:54:47,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:47" (1/1) ... [2019-11-25 22:54:47,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:47" (1/1) ... [2019-11-25 22:54:47,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:47,739 INFO L168 Benchmark]: Toolchain (without parser) took 1515.40 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 972.7 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:47,741 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-11-25 22:54:47,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1257.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:47,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.88 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. [2019-11-25 22:54:47,752 INFO L168 Benchmark]: Boogie Preprocessor took 104.10 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:47,763 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1257.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.88 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 104.10 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:51,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:51,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:51,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:51,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:51,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:51,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:51,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:51,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:51,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:51,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:51,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:51,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:51,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:51,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:51,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:51,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:51,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:51,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:51,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:51,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:51,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:51,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:51,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:51,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:51,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:51,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:51,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:51,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:51,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:51,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:51,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:51,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:51,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:51,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:51,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:51,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:51,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:51,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:51,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:51,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:51,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:54:51,918 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:51,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:51,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:51,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:51,929 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:51,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:51,929 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:51,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:51,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:51,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:51,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:51,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:51,933 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:54:51,936 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:54:51,937 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:51,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:51,937 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:51,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:51,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:51,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:51,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:51,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:51,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:51,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:51,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:51,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:51,944 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:54:51,944 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:54:51,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:51,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:54:51,946 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 -> 436b5c72ff67e2244c8257fbd882ddaf383eff22 [2019-11-25 22:54:52,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:52,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:52,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:52,539 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:52,543 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:52,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-25 22:54:52,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86fc6268/096dffc3a01c424ebd7a939f123045e7/FLAGfa13713a6 [2019-11-25 22:54:53,908 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:53,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-11-25 22:54:53,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86fc6268/096dffc3a01c424ebd7a939f123045e7/FLAGfa13713a6 [2019-11-25 22:54:53,986 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86fc6268/096dffc3a01c424ebd7a939f123045e7 [2019-11-25 22:54:53,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:54,000 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:54,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:54,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:54,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:54,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:53" (1/1) ... [2019-11-25 22:54:54,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29715357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:54, skipping insertion in model container [2019-11-25 22:54:54,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:53" (1/1) ... [2019-11-25 22:54:54,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:54,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:55,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:55,053 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:55,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:55,304 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:55,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:55 WrapperNode [2019-11-25 22:54:55,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:55,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:55,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:55,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:55,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:55" (1/1) ... [2019-11-25 22:54:55,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:55" (1/1) ... [2019-11-25 22:54:55,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:55,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:55,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:55,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:55,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:55" (1/1) ... [2019-11-25 22:54:55,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:55" (1/1) ... [2019-11-25 22:54:55,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:55" (1/1) ... [2019-11-25 22:54:55,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:55" (1/1) ... [2019-11-25 22:54:55,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:55" (1/1) ... [2019-11-25 22:54:55,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:55" (1/1) ... [2019-11-25 22:54:55,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:55" (1/1) ... [2019-11-25 22:54:55,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:55,584 INFO L168 Benchmark]: Toolchain (without parser) took 1577.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.7 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:55,587 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:55,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1304.04 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 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:55,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.19 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. [2019-11-25 22:54:55,595 INFO L168 Benchmark]: Boogie Preprocessor took 122.78 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:55,605 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 1304.04 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 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 143.19 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 122.78 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.7 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...