./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/1_3.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/ldv-regression/1_3.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 4dd574cd450f66ad0a509d55de13eff19153a3c0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/1_3.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 4dd574cd450f66ad0a509d55de13eff19153a3c0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:01:17,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:17,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:17,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:17,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:17,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:17,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:17,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:17,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:17,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:17,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:17,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:17,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:17,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:17,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:17,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:17,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:17,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:17,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:17,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:17,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:17,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:17,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:17,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:17,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:17,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:17,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:17,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:17,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:17,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:17,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:17,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:17,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:17,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:17,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:17,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:17,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:17,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:17,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:17,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:17,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:17,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:17,493 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:17,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:17,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:17,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:17,500 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:17,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:17,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:17,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:17,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:17,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:17,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:17,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:17,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:17,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:17,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:17,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:17,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:17,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:17,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:17,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:17,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:17,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:17,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:17,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:17,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:17,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:17,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:17,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:17,510 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 -> 4dd574cd450f66ad0a509d55de13eff19153a3c0 [2019-11-26 17:01:17,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:17,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:17,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:17,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:17,974 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:17,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/1_3.i [2019-11-26 17:01:18,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908f60810/22a6d26578f4407e96d26dc67ebc1178/FLAG7e3d110a0 [2019-11-26 17:01:18,790 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:18,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/1_3.i [2019-11-26 17:01:18,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908f60810/22a6d26578f4407e96d26dc67ebc1178/FLAG7e3d110a0 [2019-11-26 17:01:19,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908f60810/22a6d26578f4407e96d26dc67ebc1178 [2019-11-26 17:01:19,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:19,118 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:19,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:19,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:19,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:19,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:19" (1/1) ... [2019-11-26 17:01:19,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182ffbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:19, skipping insertion in model container [2019-11-26 17:01:19,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:19" (1/1) ... [2019-11-26 17:01:19,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:19,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:19,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:19,466 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:19,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:19,565 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:19,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:19 WrapperNode [2019-11-26 17:01:19,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:19,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:19,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:19,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:19,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:19" (1/1) ... [2019-11-26 17:01:19,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:19" (1/1) ... [2019-11-26 17:01:19,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:19,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:19,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:19,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:19,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:19" (1/1) ... [2019-11-26 17:01:19,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:19" (1/1) ... [2019-11-26 17:01:19,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:19" (1/1) ... [2019-11-26 17:01:19,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:19" (1/1) ... [2019-11-26 17:01:19,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:19" (1/1) ... [2019-11-26 17:01:19,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:19" (1/1) ... [2019-11-26 17:01:19,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:19" (1/1) ... [2019-11-26 17:01:19,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:19,659 INFO L168 Benchmark]: Toolchain (without parser) took 536.25 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: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:19,660 INFO L168 Benchmark]: CDTParser took 0.23 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 17:01:19,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.29 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:19,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.18 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:19,678 INFO L168 Benchmark]: Boogie Preprocessor took 43.92 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:19,686 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 443.29 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 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 41.18 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.92 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. 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 17:01:22,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:22,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:22,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:22,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:22,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:22,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:22,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:22,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:22,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:22,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:22,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:22,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:22,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:22,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:22,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:22,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:22,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:22,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:22,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:22,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:22,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:22,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:22,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:22,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:22,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:22,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:22,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:22,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:22,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:22,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:22,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:22,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:22,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:22,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:22,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:22,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:22,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:22,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:22,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:22,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:22,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:22,541 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:22,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:22,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:22,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:22,548 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:22,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:22,548 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:22,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:22,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:22,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:22,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:22,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:22,553 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:22,554 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:22,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:22,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:22,554 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:22,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:22,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:22,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:22,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:22,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:22,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:22,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:22,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:22,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:22,559 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:22,559 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:22,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:22,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:22,561 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 -> 4dd574cd450f66ad0a509d55de13eff19153a3c0 [2019-11-26 17:01:22,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:22,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:22,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:22,996 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:22,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:22,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/1_3.i [2019-11-26 17:01:23,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9ab2606/9a3736eeb2db4921a15f41a00c6350c7/FLAGa0dc0f960 [2019-11-26 17:01:23,816 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:23,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/1_3.i [2019-11-26 17:01:23,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9ab2606/9a3736eeb2db4921a15f41a00c6350c7/FLAGa0dc0f960 [2019-11-26 17:01:24,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9ab2606/9a3736eeb2db4921a15f41a00c6350c7 [2019-11-26 17:01:24,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:24,127 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:24,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:24,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:24,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:24,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:24" (1/1) ... [2019-11-26 17:01:24,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bde7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:24, skipping insertion in model container [2019-11-26 17:01:24,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:24" (1/1) ... [2019-11-26 17:01:24,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:24,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:24,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:24,509 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:24,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:24,622 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:24,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:24 WrapperNode [2019-11-26 17:01:24,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:24,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:24,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:24,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:24,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:24" (1/1) ... [2019-11-26 17:01:24,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:24" (1/1) ... [2019-11-26 17:01:24,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:24,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:24,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:24,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:24,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:24" (1/1) ... [2019-11-26 17:01:24,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:24" (1/1) ... [2019-11-26 17:01:24,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:24" (1/1) ... [2019-11-26 17:01:24,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:24" (1/1) ... [2019-11-26 17:01:24,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:24" (1/1) ... [2019-11-26 17:01:24,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:24" (1/1) ... [2019-11-26 17:01:24,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:24" (1/1) ... [2019-11-26 17:01:24,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:24,735 INFO L168 Benchmark]: Toolchain (without parser) took 592.30 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:24,737 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 17:01:24,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.47 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 996.9 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:24,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.93 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:24,742 INFO L168 Benchmark]: Boogie Preprocessor took 53.53 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:24,752 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 485.47 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 996.9 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 39.93 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.53 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...