./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-crafted/zero_sum_m4.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/array-crafted/zero_sum_m4.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 7194a5a0d1640050795ab8453659479b76fb7236 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/array-crafted/zero_sum_m4.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 7194a5a0d1640050795ab8453659479b76fb7236 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:39:05,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:39:05,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:39:05,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:39:05,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:39:05,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:39:05,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:39:05,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:39:05,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:39:05,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:39:05,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:39:05,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:39:05,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:39:05,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:39:05,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:39:05,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:39:05,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:39:05,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:39:05,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:39:05,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:39:05,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:39:05,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:39:05,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:39:05,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:39:05,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:39:05,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:39:05,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:39:05,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:39:05,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:39:05,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:39:05,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:39:05,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:39:05,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:39:05,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:39:05,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:39:05,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:39:05,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:39:05,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:39:05,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:39:05,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:39:05,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:39:05,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:39:05,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:39:05,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:39:05,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:39:05,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:39:05,924 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:39:05,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:39:05,924 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:39:05,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:39:05,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:39:05,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:39:05,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:39:05,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:39:05,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:39:05,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:39:05,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:39:05,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:39:05,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:39:05,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:39:05,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:39:05,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:39:05,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:39:05,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:39:05,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:39:05,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:39:05,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:39:05,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:39:05,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:39:05,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:39:05,938 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 -> 7194a5a0d1640050795ab8453659479b76fb7236 [2019-11-27 15:39:06,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:39:06,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:39:06,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:39:06,629 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:39:06,631 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:39:06,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/zero_sum_m4.c [2019-11-27 15:39:06,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4090a229/794d0dc79f8443328903e610f97b7656/FLAG6b75cb054 [2019-11-27 15:39:07,862 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:39:07,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/zero_sum_m4.c [2019-11-27 15:39:07,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4090a229/794d0dc79f8443328903e610f97b7656/FLAG6b75cb054 [2019-11-27 15:39:07,919 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4090a229/794d0dc79f8443328903e610f97b7656 [2019-11-27 15:39:07,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:39:07,934 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:39:07,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:07,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:39:07,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:39:07,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:07" (1/1) ... [2019-11-27 15:39:07,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:07, skipping insertion in model container [2019-11-27 15:39:07,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:07" (1/1) ... [2019-11-27 15:39:07,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:39:08,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:39:08,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:08,475 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:39:08,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:08,678 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:39:08,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:08 WrapperNode [2019-11-27 15:39:08,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:08,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:08,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:39:08,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:39:08,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:08" (1/1) ... [2019-11-27 15:39:08,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:08" (1/1) ... [2019-11-27 15:39:08,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:08,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:39:08,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:39:08,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:39:08,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:08" (1/1) ... [2019-11-27 15:39:08,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:08" (1/1) ... [2019-11-27 15:39:08,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:08" (1/1) ... [2019-11-27 15:39:08,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:08" (1/1) ... [2019-11-27 15:39:08,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:08" (1/1) ... [2019-11-27 15:39:08,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:08" (1/1) ... [2019-11-27 15:39:08,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:08" (1/1) ... [2019-11-27 15:39:08,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:39:08,905 INFO L168 Benchmark]: Toolchain (without parser) took 970.66 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:08,922 INFO L168 Benchmark]: CDTParser took 1.36 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 15:39:08,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.48 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 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:39:08,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.28 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 15:39:08,931 INFO L168 Benchmark]: Boogie Preprocessor took 103.01 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:08,942 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 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 744.48 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 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 113.28 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. * Boogie Preprocessor took 103.01 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:39:12,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:39:12,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:39:12,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:39:12,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:39:12,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:39:12,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:39:12,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:39:12,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:39:12,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:39:12,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:39:12,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:39:12,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:39:12,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:39:12,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:39:12,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:39:12,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:39:12,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:39:12,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:39:12,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:39:12,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:39:12,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:39:12,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:39:12,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:39:12,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:39:12,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:39:12,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:39:12,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:39:12,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:39:12,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:39:12,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:39:12,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:39:12,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:39:12,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:39:12,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:39:12,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:39:12,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:39:12,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:39:12,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:39:12,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:39:12,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:39:12,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:39:13,039 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:39:13,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:39:13,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:39:13,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:39:13,050 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:39:13,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:39:13,051 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:39:13,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:39:13,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:39:13,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:39:13,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:39:13,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:39:13,054 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:39:13,054 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:39:13,055 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:39:13,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:39:13,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:39:13,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:39:13,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:39:13,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:39:13,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:39:13,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:39:13,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:39:13,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:39:13,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:39:13,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:39:13,061 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:39:13,063 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:39:13,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:39:13,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:39:13,065 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 -> 7194a5a0d1640050795ab8453659479b76fb7236 [2019-11-27 15:39:13,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:39:13,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:39:13,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:39:13,704 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:39:13,705 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:39:13,706 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/zero_sum_m4.c [2019-11-27 15:39:13,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8961e1c7/c4e4d6cde2fb4c41a3031d10cc2621fa/FLAGa3959a601 [2019-11-27 15:39:14,948 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:39:14,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/zero_sum_m4.c [2019-11-27 15:39:14,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8961e1c7/c4e4d6cde2fb4c41a3031d10cc2621fa/FLAGa3959a601 [2019-11-27 15:39:15,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8961e1c7/c4e4d6cde2fb4c41a3031d10cc2621fa [2019-11-27 15:39:15,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:39:15,017 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:39:15,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:15,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:39:15,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:39:15,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10032a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15, skipping insertion in model container [2019-11-27 15:39:15,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:39:15,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:39:15,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:15,608 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:39:15,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:15,787 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:39:15,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15 WrapperNode [2019-11-27 15:39:15,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:15,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:15,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:39:15,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:39:15,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:15,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:39:15,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:39:15,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:39:15,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15" (1/1) ... [2019-11-27 15:39:15,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:39:15,979 INFO L168 Benchmark]: Toolchain (without parser) took 958.20 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 985.6 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:15,982 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 15:39:15,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.18 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 15:39:16,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.44 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:16,001 INFO L168 Benchmark]: Boogie Preprocessor took 80.97 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:16,009 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 766.18 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 96.44 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 80.97 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...