./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/nested_structure-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/ldv-regression/nested_structure-2.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 6ed3973f7383bbdf74f77d846485a93896b526fd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/ldv-regression/nested_structure-2.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 6ed3973f7383bbdf74f77d846485a93896b526fd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:29,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:29,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:29,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:29,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:29,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:29,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:29,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:29,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:29,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:29,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:29,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:29,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:29,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:29,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:29,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:29,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:29,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:29,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:29,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:29,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:29,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:29,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:29,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:29,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:29,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:29,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:29,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:29,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:29,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:29,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:29,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:29,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:29,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:29,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:29,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:29,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:29,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:29,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:29,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:29,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:29,624 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:07:29,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:29,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:29,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:29,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:29,689 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:29,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:29,694 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:29,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:07:29,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:29,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:29,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:29,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:29,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:29,699 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:29,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:29,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:29,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:29,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:29,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:29,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:29,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:29,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:29,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:29,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:29,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:29,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:29,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:07:29,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:07:29,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:29,711 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 -> 6ed3973f7383bbdf74f77d846485a93896b526fd [2019-11-24 21:07:30,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:30,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:30,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:30,292 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:30,297 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:30,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/nested_structure-2.i [2019-11-24 21:07:30,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e45b79268/5e61dac304cb4ca99def8d9da4684aa4/FLAG55dc03d94 [2019-11-24 21:07:31,515 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:31,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/nested_structure-2.i [2019-11-24 21:07:31,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e45b79268/5e61dac304cb4ca99def8d9da4684aa4/FLAG55dc03d94 [2019-11-24 21:07:31,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e45b79268/5e61dac304cb4ca99def8d9da4684aa4 [2019-11-24 21:07:31,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:31,588 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:31,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:31,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:31,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:31,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:31" (1/1) ... [2019-11-24 21:07:31,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:31, skipping insertion in model container [2019-11-24 21:07:31,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:31" (1/1) ... [2019-11-24 21:07:31,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:31,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:32,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:32,194 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:32,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:32,282 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:32,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:32 WrapperNode [2019-11-24 21:07:32,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:32,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:32,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:32,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:32,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:32" (1/1) ... [2019-11-24 21:07:32,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:32" (1/1) ... [2019-11-24 21:07:32,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:32,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:32,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:32,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:32,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:32" (1/1) ... [2019-11-24 21:07:32,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:32" (1/1) ... [2019-11-24 21:07:32,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:32" (1/1) ... [2019-11-24 21:07:32,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:32" (1/1) ... [2019-11-24 21:07:32,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:32" (1/1) ... [2019-11-24 21:07:32,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:32" (1/1) ... [2019-11-24 21:07:32,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:32" (1/1) ... [2019-11-24 21:07:32,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:32,538 INFO L168 Benchmark]: Toolchain (without parser) took 942.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:32,544 INFO L168 Benchmark]: CDTParser took 0.92 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. [2019-11-24 21:07:32,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.59 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. [2019-11-24 21:07:32,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:32,560 INFO L168 Benchmark]: Boogie Preprocessor took 59.74 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. [2019-11-24 21:07:32,573 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 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 689.59 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 176.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.74 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:36,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:36,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:36,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:36,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:36,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:36,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:36,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:36,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:36,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:36,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:36,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:36,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:36,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:36,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:36,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:36,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:36,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:36,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:36,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:36,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:36,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:36,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:36,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:36,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:36,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:36,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:36,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:36,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:36,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:36,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:36,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:36,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:36,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:36,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:36,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:36,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:36,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:36,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:36,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:36,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:36,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:36,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:36,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:36,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:36,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:36,904 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:36,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:36,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:36,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:36,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:36,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:36,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:36,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:36,911 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:36,912 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:36,912 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:36,914 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:36,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:36,914 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:36,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:36,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:36,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:36,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:36,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:36,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:36,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:36,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:36,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:36,923 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:36,923 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:36,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:36,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:36,925 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 -> 6ed3973f7383bbdf74f77d846485a93896b526fd [2019-11-24 21:07:37,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:37,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:37,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:37,576 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:37,582 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:37,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/nested_structure-2.i [2019-11-24 21:07:37,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5052c8787/84f580083d04452a93c0280a5214ec58/FLAGda3db4c5b [2019-11-24 21:07:38,797 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:38,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/nested_structure-2.i [2019-11-24 21:07:38,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5052c8787/84f580083d04452a93c0280a5214ec58/FLAGda3db4c5b [2019-11-24 21:07:38,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5052c8787/84f580083d04452a93c0280a5214ec58 [2019-11-24 21:07:38,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:38,866 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:38,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:38,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:38,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:38,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:38" (1/1) ... [2019-11-24 21:07:38,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:38, skipping insertion in model container [2019-11-24 21:07:38,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:38" (1/1) ... [2019-11-24 21:07:38,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:38,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:39,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:39,427 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:39,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:39,600 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:39,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:39 WrapperNode [2019-11-24 21:07:39,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:39,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:39,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:39,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:39,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:39" (1/1) ... [2019-11-24 21:07:39,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:39" (1/1) ... [2019-11-24 21:07:39,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:39,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:39,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:39,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:39,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:39" (1/1) ... [2019-11-24 21:07:39,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:39" (1/1) ... [2019-11-24 21:07:39,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:39" (1/1) ... [2019-11-24 21:07:39,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:39" (1/1) ... [2019-11-24 21:07:39,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:39" (1/1) ... [2019-11-24 21:07:39,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:39" (1/1) ... [2019-11-24 21:07:39,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:39" (1/1) ... [2019-11-24 21:07:39,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:39,816 INFO L168 Benchmark]: Toolchain (without parser) took 948.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.0 MB in the end (delta: -29.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:39,824 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-11-24 21:07:39,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.73 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:39,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.70 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:39,833 INFO L168 Benchmark]: Boogie Preprocessor took 101.71 ms. Allocated memory is still 1.0 GB. Free memory is still 991.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:39,844 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 729.73 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 996.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 107.70 ms. Allocated memory is still 1.0 GB. Free memory was 996.7 MB in the beginning and 991.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 101.71 ms. Allocated memory is still 1.0 GB. Free memory is still 991.0 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...