./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ifeqn2.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-fpi/ifeqn2.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 77bcbe871653830cde3d90221e0eaaf872e49913 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-fpi/ifeqn2.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 77bcbe871653830cde3d90221e0eaaf872e49913 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:31:17,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:31:17,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:31:17,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:31:17,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:31:17,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:31:17,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:31:17,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:31:17,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:31:17,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:31:17,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:31:17,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:31:17,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:31:17,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:31:17,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:31:17,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:31:17,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:31:17,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:31:17,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:31:17,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:31:17,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:31:17,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:31:17,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:31:17,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:31:17,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:31:17,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:31:17,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:31:17,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:31:17,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:31:17,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:31:17,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:31:17,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:31:17,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:31:17,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:31:17,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:31:17,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:31:17,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:31:17,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:31:17,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:31:17,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:31:17,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:31:17,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:31:17,788 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:31:17,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:31:17,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:31:17,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:31:17,795 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:31:17,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:31:17,796 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:31:17,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:31:17,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:31:17,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:31:17,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:31:17,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:31:17,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:31:17,802 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:31:17,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:31:17,804 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:31:17,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:31:17,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:31:17,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:31:17,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:31:17,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:31:17,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:31:17,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:31:17,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:31:17,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:31:17,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:31:17,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:31:17,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:31:17,810 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 -> 77bcbe871653830cde3d90221e0eaaf872e49913 [2019-11-26 16:31:18,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:31:18,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:31:18,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:31:18,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:31:18,506 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:31:18,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ifeqn2.c [2019-11-26 16:31:18,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf94d9a65/5dc43697e6ad4ef3bf44ba531f031ad5/FLAG72a99e640 [2019-11-26 16:31:19,732 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:19,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ifeqn2.c [2019-11-26 16:31:19,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf94d9a65/5dc43697e6ad4ef3bf44ba531f031ad5/FLAG72a99e640 [2019-11-26 16:31:19,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf94d9a65/5dc43697e6ad4ef3bf44ba531f031ad5 [2019-11-26 16:31:19,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:19,804 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:19,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:19,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:19,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:19,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:19" (1/1) ... [2019-11-26 16:31:19,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f35d551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:19, skipping insertion in model container [2019-11-26 16:31:19,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:19" (1/1) ... [2019-11-26 16:31:19,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:19,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:20,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:20,428 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:20,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:20,592 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:20,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20 WrapperNode [2019-11-26 16:31:20,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:20,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:20,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:20,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:20,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:20,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:20,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:20,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:20,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:20" (1/1) ... [2019-11-26 16:31:20,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:20,841 INFO L168 Benchmark]: Toolchain (without parser) took 1037.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:20,848 INFO L168 Benchmark]: CDTParser took 0.37 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 16:31:20,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.11 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. [2019-11-26 16:31:20,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.89 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. [2019-11-26 16:31:20,858 INFO L168 Benchmark]: Boogie Preprocessor took 96.22 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. [2019-11-26 16:31:20,870 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 788.11 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 130.89 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 96.22 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... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:31:24,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:31:24,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:31:24,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:31:24,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:31:24,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:31:24,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:31:24,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:31:24,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:31:24,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:31:24,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:31:24,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:31:24,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:31:24,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:31:24,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:31:24,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:31:24,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:31:24,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:31:24,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:31:24,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:31:24,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:31:24,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:31:24,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:31:24,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:31:24,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:31:24,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:31:24,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:31:24,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:31:24,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:31:24,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:31:24,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:31:24,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:31:24,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:31:24,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:31:24,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:31:24,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:31:24,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:31:24,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:31:24,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:31:24,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:31:24,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:31:24,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:31:24,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:31:24,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:31:24,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:31:24,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:31:24,948 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:31:24,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:31:24,949 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:31:24,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:31:24,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:31:24,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:31:24,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:31:24,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:31:24,952 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:31:24,954 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:31:24,954 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:31:24,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:31:24,957 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:31:24,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:31:24,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:31:24,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:31:24,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:31:24,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:31:24,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:31:24,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:31:24,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:31:24,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:31:24,961 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:31:24,963 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:31:24,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:31:24,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:31:24,965 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 -> 77bcbe871653830cde3d90221e0eaaf872e49913 [2019-11-26 16:31:25,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:31:25,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:31:25,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:31:25,598 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:31:25,601 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:31:25,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ifeqn2.c [2019-11-26 16:31:25,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e551a6baf/097aabe70f0e401199185ce8758bb79f/FLAGdda268636 [2019-11-26 16:31:26,780 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:26,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ifeqn2.c [2019-11-26 16:31:26,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e551a6baf/097aabe70f0e401199185ce8758bb79f/FLAGdda268636 [2019-11-26 16:31:26,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e551a6baf/097aabe70f0e401199185ce8758bb79f [2019-11-26 16:31:26,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:26,974 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:26,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:26,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:26,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:26,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:26" (1/1) ... [2019-11-26 16:31:26,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f36619a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:26, skipping insertion in model container [2019-11-26 16:31:26,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:26" (1/1) ... [2019-11-26 16:31:27,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:27,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:27,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:27,615 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:27,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:27,839 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:27,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27 WrapperNode [2019-11-26 16:31:27,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:27,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:27,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:27,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:27,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:27,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:27,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:27,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:27,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:27,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:27,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:28,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:28,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:28,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:28,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:28,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:28,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:27" (1/1) ... [2019-11-26 16:31:28,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:28,117 INFO L168 Benchmark]: Toolchain (without parser) took 1136.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 989.7 MB in the end (delta: -26.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:28,122 INFO L168 Benchmark]: CDTParser took 0.41 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 16:31:28,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 996.9 MB in the end (delta: -33.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:28,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.84 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 16:31:28,133 INFO L168 Benchmark]: Boogie Preprocessor took 130.79 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:28,143 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 865.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 996.9 MB in the end (delta: -33.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.84 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 130.79 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 989.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...