./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/eqn2.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/eqn2.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 823936fad9b7b5be821e837b9858d54f274e67a6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/eqn2.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 823936fad9b7b5be821e837b9858d54f274e67a6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:31:08,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:31:08,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:31:08,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:31:08,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:31:08,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:31:08,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:31:08,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:31:08,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:31:08,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:31:08,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:31:08,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:31:08,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:31:08,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:31:08,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:31:08,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:31:08,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:31:08,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:31:08,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:31:08,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:31:08,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:31:08,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:31:08,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:31:08,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:31:08,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:31:08,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:31:08,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:31:08,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:31:08,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:31:08,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:31:08,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:31:08,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:31:08,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:31:08,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:31:08,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:31:08,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:31:08,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:31:08,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:31:08,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:31:08,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:31:08,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:31:08,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:31:08,697 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:31:08,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:31:08,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:31:08,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:31:08,705 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:31:08,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:31:08,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:31:08,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:31:08,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:31:08,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:31:08,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:31:08,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:31:08,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:31:08,714 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:31:08,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:31:08,715 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:31:08,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:31:08,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:31:08,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:31:08,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:31:08,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:31:08,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:31:08,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:31:08,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:31:08,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:31:08,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:31:08,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:31:08,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:31:08,720 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 -> 823936fad9b7b5be821e837b9858d54f274e67a6 [2019-11-26 16:31:09,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:31:09,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:31:09,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:31:09,227 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:31:09,229 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:31:09,230 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/eqn2.c [2019-11-26 16:31:09,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d268453/479e276e2839486585b126aa71e5ad55/FLAG27fee35e1 [2019-11-26 16:31:10,058 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:10,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/eqn2.c [2019-11-26 16:31:10,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d268453/479e276e2839486585b126aa71e5ad55/FLAG27fee35e1 [2019-11-26 16:31:10,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62d268453/479e276e2839486585b126aa71e5ad55 [2019-11-26 16:31:10,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:10,385 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:10,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:10,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:10,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:10,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:10,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522b775e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10, skipping insertion in model container [2019-11-26 16:31:10,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:10,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:10,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:10,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:10,817 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:10,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:10,987 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:10,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10 WrapperNode [2019-11-26 16:31:10,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:10,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:10,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:10,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:10,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:11,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:11,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:11,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:11,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:10" (1/1) ... [2019-11-26 16:31:11,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:11,149 INFO L168 Benchmark]: Toolchain (without parser) took 762.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.6 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:11,151 INFO L168 Benchmark]: CDTParser took 1.25 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:11,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.8 MB in the end (delta: -36.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:11,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 989.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:11,162 INFO L168 Benchmark]: Boogie Preprocessor took 69.41 ms. Allocated memory is still 1.0 GB. Free memory is still 989.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:11,171 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 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 600.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 996.8 MB in the end (delta: -36.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 86.35 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 989.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 69.41 ms. Allocated memory is still 1.0 GB. Free memory is still 989.6 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 16:31:13,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:31:13,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:31:13,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:31:13,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:31:13,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:31:13,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:31:13,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:31:13,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:31:13,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:31:13,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:31:13,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:31:13,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:31:13,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:31:13,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:31:13,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:31:13,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:31:13,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:31:13,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:31:13,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:31:13,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:31:13,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:31:13,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:31:13,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:31:13,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:31:13,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:31:13,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:31:13,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:31:13,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:31:13,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:31:13,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:31:13,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:31:13,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:31:13,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:31:13,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:31:13,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:31:13,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:31:13,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:31:13,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:31:13,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:31:13,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:31:13,971 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:31:13,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:31:13,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:31:14,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:31:14,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:31:14,007 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:31:14,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:31:14,008 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:31:14,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:31:14,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:31:14,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:31:14,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:31:14,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:31:14,010 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:31:14,010 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:31:14,010 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:31:14,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:31:14,011 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:31:14,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:31:14,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:31:14,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:31:14,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:31:14,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:31:14,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:31:14,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:31:14,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:31:14,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:31:14,016 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:31:14,016 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:31:14,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:31:14,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:31:14,018 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 -> 823936fad9b7b5be821e837b9858d54f274e67a6 [2019-11-26 16:31:14,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:31:14,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:31:14,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:31:14,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:31:14,478 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:31:14,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/eqn2.c [2019-11-26 16:31:14,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7d4c6bca/da1adba71d6b429097214446d2c3c547/FLAG1f7cb3215 [2019-11-26 16:31:15,305 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:31:15,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/eqn2.c [2019-11-26 16:31:15,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7d4c6bca/da1adba71d6b429097214446d2c3c547/FLAG1f7cb3215 [2019-11-26 16:31:15,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7d4c6bca/da1adba71d6b429097214446d2c3c547 [2019-11-26 16:31:15,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:31:15,649 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:31:15,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:15,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:31:15,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:31:15,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:15" (1/1) ... [2019-11-26 16:31:15,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b733779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:15, skipping insertion in model container [2019-11-26 16:31:15,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:31:15" (1/1) ... [2019-11-26 16:31:15,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:31:15,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:31:16,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:16,059 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:31:16,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:31:16,174 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:31:16,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:16 WrapperNode [2019-11-26 16:31:16,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:31:16,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:16,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:31:16,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:31:16,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:16" (1/1) ... [2019-11-26 16:31:16,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:16" (1/1) ... [2019-11-26 16:31:16,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:31:16,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:31:16,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:31:16,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:31:16,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:16" (1/1) ... [2019-11-26 16:31:16,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:16" (1/1) ... [2019-11-26 16:31:16,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:16" (1/1) ... [2019-11-26 16:31:16,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:16" (1/1) ... [2019-11-26 16:31:16,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:16" (1/1) ... [2019-11-26 16:31:16,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:16" (1/1) ... [2019-11-26 16:31:16,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:31:16" (1/1) ... [2019-11-26 16:31:16,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:31:16,322 INFO L168 Benchmark]: Toolchain (without parser) took 670.52 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 985.4 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:16,323 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:16,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.4 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:31:16,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.31 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:16,326 INFO L168 Benchmark]: Boogie Preprocessor took 58.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:31:16,336 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 539.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 985.4 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 67.31 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 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...