./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 da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-da95e15 [2019-11-27 09:17:16,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:17:16,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:17:17,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:17:17,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:17:17,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:17:17,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:17:17,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:17:17,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:17:17,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:17:17,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:17:17,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:17:17,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:17:17,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:17:17,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:17:17,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:17:17,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:17:17,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:17:17,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:17:17,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:17:17,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:17:17,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:17:17,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:17:17,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:17:17,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:17:17,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:17:17,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:17:17,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:17:17,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:17:17,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:17:17,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:17:17,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:17:17,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:17:17,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:17:17,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:17:17,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:17:17,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:17:17,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:17:17,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:17:17,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:17:17,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:17:17,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:17:17,205 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:17:17,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:17:17,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:17:17,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:17:17,215 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:17:17,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:17:17,216 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:17:17,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:17:17,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:17:17,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:17:17,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:17:17,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:17:17,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:17:17,222 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:17:17,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:17:17,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:17:17,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:17:17,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:17:17,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:17:17,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:17:17,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:17:17,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:17:17,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:17:17,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:17:17,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:17:17,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:17:17,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:17:17,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:17:17,233 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 09:17:17,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:17:17,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:17:17,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:17:17,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:17:17,795 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:17:17,796 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/zero_sum_m4.c [2019-11-27 09:17:17,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9bb3b7e/fab452032fbd4e2abe4603b41744e51c/FLAG815219631 [2019-11-27 09:17:19,077 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:17:19,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/zero_sum_m4.c [2019-11-27 09:17:19,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9bb3b7e/fab452032fbd4e2abe4603b41744e51c/FLAG815219631 [2019-11-27 09:17:19,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9bb3b7e/fab452032fbd4e2abe4603b41744e51c [2019-11-27 09:17:19,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:17:19,145 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:17:19,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:17:19,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:17:19,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:17:19,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:19" (1/1) ... [2019-11-27 09:17:19,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:19, skipping insertion in model container [2019-11-27 09:17:19,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:19" (1/1) ... [2019-11-27 09:17:19,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:17:19,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:17:19,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:17:19,710 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:17:19,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:17:19,906 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:17:19,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:19 WrapperNode [2019-11-27 09:17:19,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:17:19,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:17:19,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:17:19,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:17:19,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:19" (1/1) ... [2019-11-27 09:17:19,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:19" (1/1) ... [2019-11-27 09:17:20,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:17:20,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:17:20,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:17:20,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:17:20,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:19" (1/1) ... [2019-11-27 09:17:20,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:19" (1/1) ... [2019-11-27 09:17:20,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:19" (1/1) ... [2019-11-27 09:17:20,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:19" (1/1) ... [2019-11-27 09:17:20,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:19" (1/1) ... [2019-11-27 09:17:20,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:19" (1/1) ... [2019-11-27 09:17:20,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:19" (1/1) ... [2019-11-27 09:17:20,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:17:20,122 INFO L168 Benchmark]: Toolchain (without parser) took 969.78 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. [2019-11-27 09:17:20,123 INFO L168 Benchmark]: CDTParser took 1.28 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:17:20,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.75 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. [2019-11-27 09:17:20,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.07 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 09:17:20,142 INFO L168 Benchmark]: Boogie Preprocessor took 80.17 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 09:17:20,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 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 759.75 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 115.07 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 80.17 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-da95e15 [2019-11-27 09:17:24,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:17:24,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:17:24,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:17:24,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:17:24,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:17:24,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:17:24,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:17:24,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:17:24,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:17:24,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:17:24,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:17:24,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:17:24,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:17:24,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:17:24,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:17:24,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:17:24,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:17:24,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:17:24,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:17:24,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:17:24,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:17:24,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:17:24,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:17:24,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:17:24,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:17:24,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:17:24,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:17:24,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:17:24,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:17:24,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:17:24,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:17:24,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:17:24,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:17:24,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:17:24,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:17:24,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:17:24,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:17:24,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:17:24,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:17:24,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:17:24,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:17:24,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:17:24,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:17:24,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:17:24,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:17:24,489 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:17:24,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:17:24,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:17:24,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:17:24,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:17:24,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:17:24,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:17:24,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:17:24,502 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:17:24,503 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:17:24,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:17:24,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:17:24,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:17:24,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:17:24,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:17:24,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:17:24,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:17:24,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:17:24,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:17:24,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:17:24,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:17:24,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:17:24,514 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:17:24,515 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:17:24,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:17:24,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:17:24,518 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 09:17:25,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:17:25,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:17:25,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:17:25,101 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:17:25,101 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:17:25,105 INFO L428 ainManager$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 09:17:25,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ed873ee/ecbb8ac2d6d04cad871b5684eadb43fd/FLAGd1c58a5f6 [2019-11-27 09:17:26,363 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:17:26,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/zero_sum_m4.c [2019-11-27 09:17:26,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ed873ee/ecbb8ac2d6d04cad871b5684eadb43fd/FLAGd1c58a5f6 [2019-11-27 09:17:26,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ed873ee/ecbb8ac2d6d04cad871b5684eadb43fd [2019-11-27 09:17:26,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:17:26,434 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:17:26,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:17:26,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:17:26,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:17:26,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:26" (1/1) ... [2019-11-27 09:17:26,459 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 09:17:26, skipping insertion in model container [2019-11-27 09:17:26,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:17:26" (1/1) ... [2019-11-27 09:17:26,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:17:26,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:17:26,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:17:27,010 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:17:27,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:17:27,223 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:17:27,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:27 WrapperNode [2019-11-27 09:17:27,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:17:27,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:17:27,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:17:27,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:17:27,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:27" (1/1) ... [2019-11-27 09:17:27,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:27" (1/1) ... [2019-11-27 09:17:27,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:17:27,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:17:27,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:17:27,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:17:27,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:27" (1/1) ... [2019-11-27 09:17:27,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:27" (1/1) ... [2019-11-27 09:17:27,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:27" (1/1) ... [2019-11-27 09:17:27,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:27" (1/1) ... [2019-11-27 09:17:27,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:27" (1/1) ... [2019-11-27 09:17:27,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:27" (1/1) ... [2019-11-27 09:17:27,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:17:27" (1/1) ... [2019-11-27 09:17:27,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:17:27,449 INFO L168 Benchmark]: Toolchain (without parser) took 1013.10 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 985.5 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:17:27,452 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:17:27,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.69 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 09:17:27,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.97 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 09:17:27,470 INFO L168 Benchmark]: Boogie Preprocessor took 78.49 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 09:17:27,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 791.69 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 128.97 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. * Boogie Preprocessor took 78.49 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...