./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test26-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/ldv-regression/test26-1.c -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 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/ldv-regression/test26-1.c -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 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:54,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:54,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:54,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:54,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:54,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:54,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:54,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:54,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:54,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:54,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:54,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:54,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:54,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:54,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:54,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:54,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:54,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:54,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:54,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:54,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:54,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:54,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:54,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:54,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:54,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:54,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:54,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:54,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:54,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:54,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:54,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:54,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:54,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:54,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:54,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:54,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:54,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:54,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:54,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:54,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:54,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:55,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:55,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:55,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:55,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:55,008 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:55,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:55,010 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:55,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:55,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:55,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:55,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:55,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:55,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:55,015 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:55,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:55,016 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:55,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:55,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:55,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:55,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:55,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:55,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:55,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:55,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:55,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:55,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:55,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:55,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:55,024 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 -> 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d [2019-11-27 16:10:55,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:55,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:55,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:55,636 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:55,636 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:55,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test26-1.c [2019-11-27 16:10:55,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc989f7c/825e6a4548a04eeea1a5b87c6d429ba0/FLAG9e38709d4 [2019-11-27 16:10:56,863 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:56,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test26-1.c [2019-11-27 16:10:56,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc989f7c/825e6a4548a04eeea1a5b87c6d429ba0/FLAG9e38709d4 [2019-11-27 16:10:56,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc989f7c/825e6a4548a04eeea1a5b87c6d429ba0 [2019-11-27 16:10:56,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:56,934 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:56,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:56,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:56,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:56,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:56" (1/1) ... [2019-11-27 16:10:56,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a3ff3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:56, skipping insertion in model container [2019-11-27 16:10:56,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:56" (1/1) ... [2019-11-27 16:10:56,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:57,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:57,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:57,500 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:57,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:57,739 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:57,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:57 WrapperNode [2019-11-27 16:10:57,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:57,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:57,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:57,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:57,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:57" (1/1) ... [2019-11-27 16:10:57,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:57" (1/1) ... [2019-11-27 16:10:57,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:57,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:57,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:57,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:57,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:57" (1/1) ... [2019-11-27 16:10:57,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:57" (1/1) ... [2019-11-27 16:10:57,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:57" (1/1) ... [2019-11-27 16:10:57,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:57" (1/1) ... [2019-11-27 16:10:57,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:57" (1/1) ... [2019-11-27 16:10:57,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:57" (1/1) ... [2019-11-27 16:10:57,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:57" (1/1) ... [2019-11-27 16:10:57,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:57,921 INFO L168 Benchmark]: Toolchain (without parser) took 981.90 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:57,925 INFO L168 Benchmark]: CDTParser took 0.32 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 16:10:57,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:57,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.99 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:57,933 INFO L168 Benchmark]: Boogie Preprocessor took 75.09 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:57,946 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 802.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 94.99 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.09 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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 0.1.24-509859d [2019-11-27 16:11:01,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:01,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:01,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:01,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:01,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:01,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:01,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:01,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:01,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:01,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:01,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:01,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:01,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:01,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:01,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:01,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:01,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:01,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:01,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:01,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:01,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:01,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:01,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:01,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:01,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:01,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:01,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:01,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:01,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:01,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:01,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:01,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:01,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:01,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:01,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:01,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:01,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:01,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:01,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:01,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:01,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:01,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:01,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:01,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:01,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:02,002 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:02,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:02,003 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:02,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:02,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:02,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:02,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:02,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:02,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:02,007 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:02,007 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:02,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:02,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:02,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:02,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:02,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:02,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:02,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:02,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:02,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:02,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:02,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:02,015 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:02,016 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:02,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:02,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:02,018 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 -> 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d [2019-11-27 16:11:02,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:02,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:02,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:02,615 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:02,620 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:02,622 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test26-1.c [2019-11-27 16:11:02,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39d0f98fa/03c19eda9dab44a7a218e570858cd777/FLAG228e8a63b [2019-11-27 16:11:03,754 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:03,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test26-1.c [2019-11-27 16:11:03,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39d0f98fa/03c19eda9dab44a7a218e570858cd777/FLAG228e8a63b [2019-11-27 16:11:03,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39d0f98fa/03c19eda9dab44a7a218e570858cd777 [2019-11-27 16:11:03,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:03,942 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:03,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:03,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:03,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:03,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:03" (1/1) ... [2019-11-27 16:11:03,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e84eedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:03, skipping insertion in model container [2019-11-27 16:11:03,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:03" (1/1) ... [2019-11-27 16:11:03,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:04,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:04,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:04,450 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:04,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:04,516 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:04,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:04 WrapperNode [2019-11-27 16:11:04,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:04,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:04,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:04,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:04,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:04" (1/1) ... [2019-11-27 16:11:04,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:04" (1/1) ... [2019-11-27 16:11:04,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:04,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:04,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:04,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:04,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:04" (1/1) ... [2019-11-27 16:11:04,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:04" (1/1) ... [2019-11-27 16:11:04,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:04" (1/1) ... [2019-11-27 16:11:04,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:04" (1/1) ... [2019-11-27 16:11:04,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:04" (1/1) ... [2019-11-27 16:11:04,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:04" (1/1) ... [2019-11-27 16:11:04,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:04" (1/1) ... [2019-11-27 16:11:04,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:04,739 INFO L168 Benchmark]: Toolchain (without parser) took 791.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.2 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:04,742 INFO L168 Benchmark]: CDTParser took 0.46 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 16:11:04,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:04,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:04,750 INFO L168 Benchmark]: Boogie Preprocessor took 69.11 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:04,773 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 568.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 143.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 69.11 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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...