./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-crafted/xor4.i --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-crafted/xor4.i -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 27d9c8aafe6deed9591b1739ddc06504fdc43a03 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-crafted/xor4.i -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 27d9c8aafe6deed9591b1739ddc06504fdc43a03 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:30:14,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:30:14,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:30:14,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:30:14,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:30:14,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:30:14,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:30:14,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:30:14,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:30:14,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:30:14,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:30:14,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:30:14,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:30:14,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:30:14,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:30:14,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:30:14,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:30:14,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:30:14,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:30:14,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:30:14,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:30:14,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:30:14,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:30:14,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:30:14,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:30:14,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:30:14,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:30:14,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:30:14,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:30:14,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:30:14,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:30:14,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:30:14,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:30:14,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:30:14,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:30:14,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:30:14,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:30:14,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:30:14,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:30:14,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:30:14,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:30:14,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:30:14,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:30:14,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:30:14,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:30:14,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:30:14,605 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:30:14,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:30:14,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:30:14,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:30:14,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:30:14,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:30:14,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:30:14,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:30:14,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:30:14,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:30:14,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:30:14,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:30:14,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:30:14,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:30:14,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:30:14,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:30:14,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:30:14,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:30:14,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:30:14,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:30:14,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:30:14,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:30:14,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:30:14,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:30:14,615 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 -> 27d9c8aafe6deed9591b1739ddc06504fdc43a03 [2019-11-26 16:30:14,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:30:15,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:30:15,014 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:30:15,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:30:15,021 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:30:15,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/xor4.i [2019-11-26 16:30:15,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9518c2320/4c86aca8de5247d3b7b5babc0382b075/FLAGe5bc1b414 [2019-11-26 16:30:15,834 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:30:15,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/xor4.i [2019-11-26 16:30:15,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9518c2320/4c86aca8de5247d3b7b5babc0382b075/FLAGe5bc1b414 [2019-11-26 16:30:16,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9518c2320/4c86aca8de5247d3b7b5babc0382b075 [2019-11-26 16:30:16,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:30:16,166 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:30:16,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:16,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:30:16,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:30:16,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,182 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 04:30:16, skipping insertion in model container [2019-11-26 16:30:16,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:30:16,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:30:16,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:16,542 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:30:16,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:16,641 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:30:16,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16 WrapperNode [2019-11-26 16:30:16,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:16,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:16,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:30:16,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:30:16,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:16,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:30:16,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:30:16,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:30:16,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:16" (1/1) ... [2019-11-26 16:30:16,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:30:16,814 INFO L168 Benchmark]: Toolchain (without parser) took 640.80 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 16:30:16,817 INFO L168 Benchmark]: CDTParser took 2.97 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 16:30:16,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.74 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:30:16,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.45 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 16:30:16,833 INFO L168 Benchmark]: Boogie Preprocessor took 65.87 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 16:30:16,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.97 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 487.74 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). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 68.45 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 65.87 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 16:30:19,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:30:19,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:30:19,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:30:19,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:30:19,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:30:19,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:30:19,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:30:19,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:30:19,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:30:19,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:30:19,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:30:19,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:30:19,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:30:19,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:30:19,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:30:19,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:30:19,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:30:19,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:30:19,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:30:19,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:30:19,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:30:19,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:30:19,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:30:19,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:30:19,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:30:19,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:30:19,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:30:19,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:30:19,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:30:19,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:30:19,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:30:19,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:30:19,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:30:19,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:30:19,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:30:19,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:30:19,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:30:19,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:30:19,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:30:19,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:30:19,651 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:30:19,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:30:19,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:30:19,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:30:19,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:30:19,685 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:30:19,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:30:19,685 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:30:19,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:30:19,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:30:19,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:30:19,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:30:19,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:30:19,688 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:30:19,688 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:30:19,688 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:30:19,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:30:19,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:30:19,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:30:19,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:30:19,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:30:19,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:30:19,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:30:19,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:30:19,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:30:19,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:30:19,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:30:19,694 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:30:19,694 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:30:19,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:30:19,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:30:19,698 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 -> 27d9c8aafe6deed9591b1739ddc06504fdc43a03 [2019-11-26 16:30:20,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:30:20,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:30:20,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:30:20,175 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:30:20,175 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:30:20,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/xor4.i [2019-11-26 16:30:20,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4865f2dd7/f5cc1d1612c549358224d462a8270b0b/FLAG77ebbd62f [2019-11-26 16:30:20,977 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:30:20,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/xor4.i [2019-11-26 16:30:20,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4865f2dd7/f5cc1d1612c549358224d462a8270b0b/FLAG77ebbd62f [2019-11-26 16:30:21,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4865f2dd7/f5cc1d1612c549358224d462a8270b0b [2019-11-26 16:30:21,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:30:21,310 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:30:21,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:21,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:30:21,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:30:21,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:21" (1/1) ... [2019-11-26 16:30:21,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:21, skipping insertion in model container [2019-11-26 16:30:21,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:30:21" (1/1) ... [2019-11-26 16:30:21,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:30:21,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:30:21,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:21,695 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:30:21,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:30:21,846 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:30:21,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:21 WrapperNode [2019-11-26 16:30:21,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:30:21,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:21,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:30:21,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:30:21,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:21" (1/1) ... [2019-11-26 16:30:21,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:21" (1/1) ... [2019-11-26 16:30:21,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:30:21,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:30:21,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:30:21,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:30:21,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:21" (1/1) ... [2019-11-26 16:30:21,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:21" (1/1) ... [2019-11-26 16:30:21,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:21" (1/1) ... [2019-11-26 16:30:21,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:21" (1/1) ... [2019-11-26 16:30:21,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:21" (1/1) ... [2019-11-26 16:30:21,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:21" (1/1) ... [2019-11-26 16:30:21,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:30:21" (1/1) ... [2019-11-26 16:30:21,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:30:21,973 INFO L168 Benchmark]: Toolchain (without parser) took 660.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.5 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:30:21,974 INFO L168 Benchmark]: CDTParser took 1.72 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 16:30:21,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.04 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 991.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:30:21,976 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.94 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:30:21,978 INFO L168 Benchmark]: Boogie Preprocessor took 63.61 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:30:21,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72 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 533.04 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 991.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 53.94 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 63.61 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 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...