./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invariants/const.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/loop-invariants/const.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 243aabcd2dba446bff3e5c5a4012e6e80ddc3b51 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loop-invariants/const.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 243aabcd2dba446bff3e5c5a4012e6e80ddc3b51 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:04:59,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:04:59,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:04:59,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:04:59,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:04:59,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:04:59,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:04:59,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:04:59,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:04:59,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:04:59,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:04:59,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:04:59,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:04:59,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:04:59,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:04:59,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:04:59,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:04:59,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:04:59,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:04:59,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:04:59,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:04:59,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:04:59,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:04:59,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:04:59,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:04:59,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:04:59,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:04:59,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:04:59,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:04:59,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:04:59,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:04:59,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:04:59,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:04:59,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:04:59,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:04:59,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:04:59,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:04:59,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:04:59,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:04:59,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:04:59,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:04:59,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:04:59,863 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:04:59,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:04:59,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:04:59,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:04:59,869 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:04:59,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:04:59,870 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:04:59,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:04:59,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:04:59,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:04:59,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:04:59,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:04:59,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:04:59,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:04:59,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:04:59,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:04:59,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:04:59,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:04:59,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:04:59,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:04:59,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:04:59,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:04:59,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:04:59,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:04:59,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:04:59,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:04:59,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:04:59,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:04:59,885 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 -> 243aabcd2dba446bff3e5c5a4012e6e80ddc3b51 [2019-11-26 17:05:00,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:00,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:00,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:00,498 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:00,503 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:00,504 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/const.c [2019-11-26 17:05:00,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bacd6fe5d/339c455e07dc486e88d0c30bcbd23384/FLAG97bb2a4cd [2019-11-26 17:05:01,703 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:01,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/const.c [2019-11-26 17:05:01,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bacd6fe5d/339c455e07dc486e88d0c30bcbd23384/FLAG97bb2a4cd [2019-11-26 17:05:01,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bacd6fe5d/339c455e07dc486e88d0c30bcbd23384 [2019-11-26 17:05:01,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:01,764 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:01,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:01,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:01,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:01,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:01" (1/1) ... [2019-11-26 17:05:01,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:01, skipping insertion in model container [2019-11-26 17:05:01,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:01" (1/1) ... [2019-11-26 17:05:01,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:01,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:02,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:02,295 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:02,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:02,351 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:02,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02 WrapperNode [2019-11-26 17:05:02,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:02,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:02,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:02,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:02,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:02,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:02,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:02,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:02,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:02,605 INFO L168 Benchmark]: Toolchain (without parser) took 835.68 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 996.8 MB in the end (delta: -35.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:02,607 INFO L168 Benchmark]: CDTParser took 0.57 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 17:05:02,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.38 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:02,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:02,615 INFO L168 Benchmark]: Boogie Preprocessor took 49.84 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. [2019-11-26 17:05:02,628 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 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 588.38 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 174.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 49.84 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. 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 17:05:06,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:06,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:06,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:06,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:06,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:06,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:06,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:06,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:06,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:06,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:06,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:06,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:06,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:06,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:06,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:06,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:06,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:06,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:06,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:06,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:06,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:06,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:06,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:06,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:06,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:06,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:06,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:06,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:06,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:06,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:06,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:06,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:06,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:06,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:06,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:06,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:06,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:06,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:06,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:06,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:06,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:06,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:06,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:06,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:06,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:06,631 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:06,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:06,632 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:06,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:06,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:06,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:06,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:06,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:06,637 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:06,637 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:06,637 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:06,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:06,638 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:06,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:06,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:06,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:06,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:06,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:06,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:06,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:06,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:06,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:06,646 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:06,646 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:06,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:06,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:06,648 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 -> 243aabcd2dba446bff3e5c5a4012e6e80ddc3b51 [2019-11-26 17:05:07,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:07,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:07,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:07,256 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:07,259 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:07,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/const.c [2019-11-26 17:05:07,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94365e6ab/43c6942dc8b74b19a17cf0d87865ef05/FLAG705288f76 [2019-11-26 17:05:08,405 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:08,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/const.c [2019-11-26 17:05:08,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94365e6ab/43c6942dc8b74b19a17cf0d87865ef05/FLAG705288f76 [2019-11-26 17:05:08,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94365e6ab/43c6942dc8b74b19a17cf0d87865ef05 [2019-11-26 17:05:08,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:08,695 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:08,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:08,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:08,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:08,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:08" (1/1) ... [2019-11-26 17:05:08,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb873af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:08, skipping insertion in model container [2019-11-26 17:05:08,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:08" (1/1) ... [2019-11-26 17:05:08,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:08,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:09,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:09,229 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:09,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:09,290 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:09,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09 WrapperNode [2019-11-26 17:05:09,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:09,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:09,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:09,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:09,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:09,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:09,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:09,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:09,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:09" (1/1) ... [2019-11-26 17:05:09,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:09,492 INFO L168 Benchmark]: Toolchain (without parser) took 780.07 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 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:09,495 INFO L168 Benchmark]: CDTParser took 0.62 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 17:05:09,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.15 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:09,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:09,506 INFO L168 Benchmark]: Boogie Preprocessor took 33.60 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:09,517 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 594.15 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 139.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 33.60 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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...