./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 025d5a27 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 0.1.24-025d5a2 [2019-11-26 16:30:20,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:30:20,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:30:20,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:30:20,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:30:20,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:30:20,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:30:20,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:30:20,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:30:20,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:30:20,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:30:20,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:30:20,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:30:20,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:30:20,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:30:20,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:30:20,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:30:20,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:30:20,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:30:20,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:30:20,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:30:20,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:30:20,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:30:20,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:30:20,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:30:20,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:30:20,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:30:20,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:30:20,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:30:20,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:30:20,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:30:20,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:30:20,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:30:20,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:30:20,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:30:20,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:30:20,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:30:20,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:30:20,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:30:20,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:30:20,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:30:20,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:30:21,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:30:21,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:30:21,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:30:21,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:30:21,013 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:30:21,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:30:21,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:30:21,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:30:21,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:30:21,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:30:21,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:30:21,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:30:21,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:30:21,021 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:30:21,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:30:21,022 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:30:21,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:30:21,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:30:21,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:30:21,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:30:21,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:30:21,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:30:21,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:30:21,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:30:21,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:30:21,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:30:21,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:30:21,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:30:21,032 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 [2019-11-26 16:30:21,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:30:21,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:30:21,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:30:21,632 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:30:21,633 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:30:21,637 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/zero_sum_m4.c [2019-11-26 16:30:21,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9ff48963/ab45de239f384612a69395ae39662e97/FLAG5769dc4c9 [2019-11-26 16:30:22,882 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:30:22,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/zero_sum_m4.c [2019-11-26 16:30:22,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9ff48963/ab45de239f384612a69395ae39662e97/FLAG5769dc4c9 [2019-11-26 16:30:22,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9ff48963/ab45de239f384612a69395ae39662e97 [2019-11-26 16:30:22,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:30:22,957 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:30:22,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:22,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:30:22,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:30:22,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:22" (1/1) ... [2019-11-26 16:30:22,980 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 26.11 04:30:22, skipping insertion in model container [2019-11-26 16:30:22,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:22" (1/1) ... [2019-11-26 16:30:23,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:30:23,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:30:23,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:23,580 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:30:23,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:23,842 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:30:23,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23 WrapperNode [2019-11-26 16:30:23,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:23,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:23,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:30:23,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:30:23,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:23,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:23,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:23,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:30:23,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:30:23,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:30:24,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:24,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:24,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:24,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:24,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:24,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:24,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:23" (1/1) ... [2019-11-26 16:30:24,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:30:24,096 INFO L168 Benchmark]: Toolchain (without parser) took 1131.33 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. [2019-11-26 16:30:24,098 INFO L168 Benchmark]: CDTParser took 0.48 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. [2019-11-26 16:30:24,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 887.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:30:24,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.37 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. [2019-11-26 16:30:24,117 INFO L168 Benchmark]: Boogie Preprocessor took 89.96 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. [2019-11-26 16:30:24,128 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 887.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 145.37 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. * Boogie Preprocessor took 89.96 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 0.1.24-025d5a2 [2019-11-26 16:30:27,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:30:27,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:30:28,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:30:28,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:30:28,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:30:28,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:30:28,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:30:28,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:30:28,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:30:28,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:30:28,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:30:28,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:30:28,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:30:28,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:30:28,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:30:28,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:30:28,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:30:28,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:30:28,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:30:28,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:30:28,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:30:28,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:30:28,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:30:28,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:30:28,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:30:28,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:30:28,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:30:28,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:30:28,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:30:28,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:30:28,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:30:28,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:30:28,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:30:28,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:30:28,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:30:28,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:30:28,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:30:28,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:30:28,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:30:28,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:30:28,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:30:28,223 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:30:28,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:30:28,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:30:28,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:30:28,228 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:30:28,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:30:28,230 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:30:28,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:30:28,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:30:28,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:30:28,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:30:28,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:30:28,235 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:30:28,236 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:30:28,236 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:30:28,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:30:28,237 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:30:28,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:30:28,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:30:28,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:30:28,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:30:28,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:30:28,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:30:28,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:30:28,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:30:28,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:30:28,243 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:30:28,243 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:30:28,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:30:28,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:30:28,248 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 [2019-11-26 16:30:28,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:30:28,842 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:30:28,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:30:28,854 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:30:28,857 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:30:28,859 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/zero_sum_m4.c [2019-11-26 16:30:29,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d811af21/78b3773d04fd47f48afbc6a6ac111965/FLAGfb3225a47 [2019-11-26 16:30:30,096 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:30:30,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/zero_sum_m4.c [2019-11-26 16:30:30,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d811af21/78b3773d04fd47f48afbc6a6ac111965/FLAGfb3225a47 [2019-11-26 16:30:30,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d811af21/78b3773d04fd47f48afbc6a6ac111965 [2019-11-26 16:30:30,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:30:30,171 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:30:30,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:30,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:30:30,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:30:30,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:30" (1/1) ... [2019-11-26 16:30:30,195 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 26.11 04:30:30, skipping insertion in model container [2019-11-26 16:30:30,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:30" (1/1) ... [2019-11-26 16:30:30,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:30:30,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:30:30,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:30,804 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:30:30,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:31,025 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:30:31,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:31 WrapperNode [2019-11-26 16:30:31,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:31,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:31,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:30:31,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:30:31,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:31" (1/1) ... [2019-11-26 16:30:31,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:31" (1/1) ... [2019-11-26 16:30:31,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:31,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:30:31,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:30:31,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:30:31,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:31" (1/1) ... [2019-11-26 16:30:31,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:31" (1/1) ... [2019-11-26 16:30:31,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:31" (1/1) ... [2019-11-26 16:30:31,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:31" (1/1) ... [2019-11-26 16:30:31,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:31" (1/1) ... [2019-11-26 16:30:31,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:31" (1/1) ... [2019-11-26 16:30:31,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:31" (1/1) ... [2019-11-26 16:30:31,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:30:31,205 INFO L168 Benchmark]: Toolchain (without parser) took 1029.59 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:30:31,207 INFO L168 Benchmark]: CDTParser took 0.48 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. [2019-11-26 16:30:31,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.67 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:30:31,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.11 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. [2019-11-26 16:30:31,228 INFO L168 Benchmark]: Boogie Preprocessor took 72.55 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. [2019-11-26 16:30:31,239 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 852.67 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 91.11 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 72.55 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...