./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test29-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/test29-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a0b8f7221e31cc2cda01831098deec15967e67b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/test29-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a0b8f7221e31cc2cda01831098deec15967e67b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:59,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:59,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:59,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:59,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:59,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:59,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:59,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:59,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:59,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:59,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:59,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:59,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:59,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:59,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:59,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:59,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:59,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:59,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:59,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:59,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:59,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:59,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:59,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:59,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:59,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:59,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:59,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:59,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:59,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:59,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:59,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:59,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:59,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:59,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:59,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:59,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:59,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:59,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:59,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:59,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:59,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:00,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:00,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:00,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:00,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:00,060 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:00,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:00,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:00,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:00,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:00,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:00,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:00,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:00,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:00,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:00,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:00,067 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:00,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:00,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:00,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:00,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:00,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:00,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:00,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:00,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:00,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:00,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:00,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:00,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:00,075 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 -> 5a0b8f7221e31cc2cda01831098deec15967e67b [2019-11-27 16:11:00,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:00,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:00,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:00,662 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:00,663 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:00,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test29-2.c [2019-11-27 16:11:00,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a031d7784/9fe69f0912f94c589758304a2be0bfa9/FLAG829d89f7c [2019-11-27 16:11:01,900 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:01,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test29-2.c [2019-11-27 16:11:01,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a031d7784/9fe69f0912f94c589758304a2be0bfa9/FLAG829d89f7c [2019-11-27 16:11:01,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a031d7784/9fe69f0912f94c589758304a2be0bfa9 [2019-11-27 16:11:01,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:01,973 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:01,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:01,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:01,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:01,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:01" (1/1) ... [2019-11-27 16:11:01,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dddb048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:01, skipping insertion in model container [2019-11-27 16:11:01,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:01" (1/1) ... [2019-11-27 16:11:02,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:02,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:02,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:02,566 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:02,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:02,651 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:02,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:02 WrapperNode [2019-11-27 16:11:02,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:02,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:02,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:02,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:02,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:02" (1/1) ... [2019-11-27 16:11:02,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:02" (1/1) ... [2019-11-27 16:11:02,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:02,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:02,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:02,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:02,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:02" (1/1) ... [2019-11-27 16:11:02,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:02" (1/1) ... [2019-11-27 16:11:02,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:02" (1/1) ... [2019-11-27 16:11:02,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:02" (1/1) ... [2019-11-27 16:11:02,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:02" (1/1) ... [2019-11-27 16:11:02,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:02" (1/1) ... [2019-11-27 16:11:02,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:02" (1/1) ... [2019-11-27 16:11:02,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:02,893 INFO L168 Benchmark]: Toolchain (without parser) took 917.60 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. [2019-11-27 16:11:02,896 INFO L168 Benchmark]: CDTParser took 0.48 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. [2019-11-27 16:11:02,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.40 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. [2019-11-27 16:11:02,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:02,916 INFO L168 Benchmark]: Boogie Preprocessor took 59.38 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. [2019-11-27 16:11:02,928 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 681.40 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 165.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.38 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:11:06,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:06,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:06,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:06,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:06,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:06,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:06,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:06,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:06,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:06,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:06,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:06,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:06,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:06,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:06,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:06,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:06,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:06,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:06,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:06,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:06,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:06,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:06,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:06,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:06,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:06,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:06,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:06,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:06,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:06,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:06,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:06,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:06,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:06,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:06,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:06,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:06,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:06,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:06,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:06,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:06,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:07,018 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:07,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:07,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:07,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:07,025 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:07,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:07,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:07,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:07,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:07,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:07,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:07,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:07,031 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:07,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:07,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:07,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:07,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:07,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:07,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:07,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:07,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:07,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:07,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:07,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:07,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:07,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:07,039 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:07,041 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:07,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:07,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:07,043 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 -> 5a0b8f7221e31cc2cda01831098deec15967e67b [2019-11-27 16:11:07,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:07,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:07,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:07,721 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:07,724 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:07,726 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test29-2.c [2019-11-27 16:11:07,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b49508c29/2c5e0e890a5a44698ebb63599a353710/FLAGdebefd065 [2019-11-27 16:11:08,906 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:08,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test29-2.c [2019-11-27 16:11:08,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b49508c29/2c5e0e890a5a44698ebb63599a353710/FLAGdebefd065 [2019-11-27 16:11:08,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b49508c29/2c5e0e890a5a44698ebb63599a353710 [2019-11-27 16:11:08,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:08,981 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:08,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:08,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:08,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:08,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:08" (1/1) ... [2019-11-27 16:11:09,005 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 27.11 04:11:08, skipping insertion in model container [2019-11-27 16:11:09,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:08" (1/1) ... [2019-11-27 16:11:09,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:09,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:09,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:09,579 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:09,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:09,775 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:09,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:09 WrapperNode [2019-11-27 16:11:09,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:09,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:09,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:09,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:09,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:09" (1/1) ... [2019-11-27 16:11:09,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:09" (1/1) ... [2019-11-27 16:11:09,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:09,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:09,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:09,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:09,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:09" (1/1) ... [2019-11-27 16:11:09,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:09" (1/1) ... [2019-11-27 16:11:09,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:09" (1/1) ... [2019-11-27 16:11:09,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:09" (1/1) ... [2019-11-27 16:11:09,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:09" (1/1) ... [2019-11-27 16:11:09,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:09" (1/1) ... [2019-11-27 16:11:09,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:09" (1/1) ... [2019-11-27 16:11:09,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:09,954 INFO L168 Benchmark]: Toolchain (without parser) took 970.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.1 MB in the end (delta: -27.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:09,957 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:09,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 996.8 MB in the end (delta: -33.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:09,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.11 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:09,964 INFO L168 Benchmark]: Boogie Preprocessor took 81.69 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:09,975 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 793.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 996.8 MB in the end (delta: -33.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 88.11 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 81.69 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 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...