./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-crafted/zero_sum_m2.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_m2.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 a92b8aee44fcc01c915730d5e2f4f618847ca492 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_m2.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 a92b8aee44fcc01c915730d5e2f4f618847ca492 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:39:05,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:39:05,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:39:05,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:39:05,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:39:05,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:39:05,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:39:05,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:39:05,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:39:05,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:39:05,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:39:05,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:39:05,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:39:05,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:39:05,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:39:05,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:39:05,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:39:05,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:39:05,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:39:05,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:39:05,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:39:05,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:39:05,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:39:05,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:39:05,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:39:05,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:39:05,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:39:05,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:39:05,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:39:05,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:39:05,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:39:05,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:39:05,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:39:05,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:39:05,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:39:05,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:39:05,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:39:05,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:39:05,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:39:05,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:39:05,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:39:05,779 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:39:05,820 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:39:05,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:39:05,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:39:05,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:39:05,826 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:39:05,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:39:05,827 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:39:05,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:39:05,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:39:05,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:39:05,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:39:05,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:39:05,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:39:05,834 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:39:05,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:39:05,835 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:39:05,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:39:05,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:39:05,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:39:05,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:39:05,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:39:05,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:39:05,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:39:05,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:39:05,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:39:05,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:39:05,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:39:05,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:39:05,842 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 -> a92b8aee44fcc01c915730d5e2f4f618847ca492 [2019-11-27 15:39:06,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:39:06,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:39:06,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:39:06,449 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:39:06,450 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:39:06,454 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/zero_sum_m2.c [2019-11-27 15:39:06,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8f62037d/f0b729555b654c349752ff1721773486/FLAG0ac5fb436 [2019-11-27 15:39:07,684 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:39:07,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/zero_sum_m2.c [2019-11-27 15:39:07,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8f62037d/f0b729555b654c349752ff1721773486/FLAG0ac5fb436 [2019-11-27 15:39:07,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8f62037d/f0b729555b654c349752ff1721773486 [2019-11-27 15:39:07,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:39:07,766 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:39:07,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:07,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:39:07,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:39:07,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:07" (1/1) ... [2019-11-27 15:39:07,792 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 03:39:07, skipping insertion in model container [2019-11-27 15:39:07,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:07" (1/1) ... [2019-11-27 15:39:07,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:39:07,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:39:08,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:08,356 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:39:08,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:08,564 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:39:08,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:08 WrapperNode [2019-11-27 15:39:08,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:08,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:08,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:39:08,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:39:08,595 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 15:39:08,619 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 15:39:08,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:08,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:39:08,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:39:08,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:39:08,675 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 15:39:08,676 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 15:39:08,691 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 15:39:08,691 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 15:39:08,707 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 15:39:08,719 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 15:39:08,723 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 15:39:08,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:39:08,749 INFO L168 Benchmark]: Toolchain (without parser) took 967.05 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 991.1 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:08,751 INFO L168 Benchmark]: CDTParser took 0.38 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 15:39:08,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.43 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 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:39:08,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.27 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:08,763 INFO L168 Benchmark]: Boogie Preprocessor took 63.62 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:39:08,774 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 804.43 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 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 90.27 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.62 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:39:12,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:39:12,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:39:12,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:39:12,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:39:12,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:39:12,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:39:12,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:39:12,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:39:12,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:39:12,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:39:12,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:39:12,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:39:12,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:39:12,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:39:12,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:39:12,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:39:12,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:39:12,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:39:12,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:39:12,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:39:12,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:39:12,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:39:12,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:39:12,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:39:12,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:39:12,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:39:12,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:39:12,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:39:12,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:39:12,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:39:12,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:39:12,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:39:12,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:39:12,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:39:12,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:39:12,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:39:12,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:39:12,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:39:12,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:39:12,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:39:12,762 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:39:12,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:39:12,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:39:12,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:39:12,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:39:12,811 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:39:12,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:39:12,813 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:39:12,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:39:12,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:39:12,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:39:12,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:39:12,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:39:12,819 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:39:12,819 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:39:12,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:39:12,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:39:12,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:39:12,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:39:12,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:39:12,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:39:12,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:39:12,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:39:12,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:39:12,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:39:12,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:39:12,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:39:12,828 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:39:12,828 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:39:12,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:39:12,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:39:12,830 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 -> a92b8aee44fcc01c915730d5e2f4f618847ca492 [2019-11-27 15:39:13,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:39:13,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:39:13,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:39:13,472 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:39:13,473 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:39:13,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/zero_sum_m2.c [2019-11-27 15:39:13,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fa193c5d/0259c1776d94402c9fcbc79df1bead30/FLAG2474c0e78 [2019-11-27 15:39:14,701 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:39:14,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/zero_sum_m2.c [2019-11-27 15:39:14,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fa193c5d/0259c1776d94402c9fcbc79df1bead30/FLAG2474c0e78 [2019-11-27 15:39:14,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fa193c5d/0259c1776d94402c9fcbc79df1bead30 [2019-11-27 15:39:14,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:39:14,777 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:39:14,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:14,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:39:14,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:39:14,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:14" (1/1) ... [2019-11-27 15:39:14,800 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 03:39:14, skipping insertion in model container [2019-11-27 15:39:14,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:39:14" (1/1) ... [2019-11-27 15:39:14,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:39:14,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:39:15,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:15,372 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:39:15,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:39:15,616 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:39:15,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:39:15 WrapperNode [2019-11-27 15:39:15,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:39:15,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:15,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:39:15,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:39:15,640 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 15:39:15,668 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 15:39:15,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:39:15,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:39:15,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:39:15,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:39:15,742 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 15:39:15,742 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 15:39:15,761 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 15:39:15,761 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 15:39:15,780 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 15:39:15,800 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 15:39:15,805 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 15:39:15,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:39:15,819 INFO L168 Benchmark]: Toolchain (without parser) took 1042.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:15,821 INFO L168 Benchmark]: CDTParser took 0.44 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 15:39:15,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.19 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:39:15,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.97 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:39:15,832 INFO L168 Benchmark]: Boogie Preprocessor took 83.52 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:39:15,854 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 839.19 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 109.97 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.52 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...