./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test21-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test21-2.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 36029c97ff36b924dec4fff6e18b89b3177e9048 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/test21-2.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 36029c97ff36b924dec4fff6e18b89b3177e9048 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:01:42,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:42,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:42,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:42,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:42,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:42,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:42,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:42,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:42,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:42,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:42,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:42,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:42,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:42,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:42,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:42,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:42,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:42,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:42,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:42,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:42,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:42,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:42,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:42,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:42,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:42,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:42,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:42,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:42,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:42,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:42,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:42,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:42,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:42,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:42,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:42,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:42,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:42,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:42,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:42,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:42,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:42,993 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:42,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:43,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:43,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:43,003 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:43,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:43,003 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:43,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:43,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:43,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:43,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:43,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:43,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:43,009 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:43,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:43,012 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:43,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:43,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:43,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:43,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:43,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:43,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:43,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:43,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:43,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:43,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:43,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:43,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:43,019 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 -> 36029c97ff36b924dec4fff6e18b89b3177e9048 [2019-11-26 17:01:43,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:43,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:43,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:43,670 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:43,670 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:43,672 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test21-2.c [2019-11-26 17:01:43,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e5844132/cd90404cd9694dd89bea19c9be787087/FLAG0b364cf16 [2019-11-26 17:01:44,885 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:44,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test21-2.c [2019-11-26 17:01:44,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e5844132/cd90404cd9694dd89bea19c9be787087/FLAG0b364cf16 [2019-11-26 17:01:44,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e5844132/cd90404cd9694dd89bea19c9be787087 [2019-11-26 17:01:44,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:44,953 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:44,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:44,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:44,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:44,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a0bf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:44, skipping insertion in model container [2019-11-26 17:01:44,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:44" (1/1) ... [2019-11-26 17:01:44,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:45,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:45,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:45,480 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:45,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:45,642 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:45,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45 WrapperNode [2019-11-26 17:01:45,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:45,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:45,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:45,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:45,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:45,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:45,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:45,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:45,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:45" (1/1) ... [2019-11-26 17:01:45,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:45,796 INFO L168 Benchmark]: Toolchain (without parser) took 828.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:45,797 INFO L168 Benchmark]: CDTParser took 3.96 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. [2019-11-26 17:01:45,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:45,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.01 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 17:01:45,808 INFO L168 Benchmark]: Boogie Preprocessor took 69.48 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 17:01:45,821 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.96 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 692.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 57.01 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 69.48 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 0.1.24-025d5a2 [2019-11-26 17:01:49,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:49,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:49,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:49,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:49,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:49,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:49,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:49,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:49,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:49,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:49,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:49,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:49,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:49,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:49,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:49,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:49,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:49,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:49,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:49,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:49,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:49,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:49,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:49,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:49,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:49,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:49,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:49,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:49,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:49,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:49,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:49,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:49,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:49,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:49,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:49,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:49,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:49,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:49,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:49,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:49,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:49,888 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:49,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:49,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:49,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:49,897 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:49,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:49,900 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:49,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:49,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:49,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:49,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:49,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:49,905 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:49,906 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:49,906 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:49,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:49,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:49,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:49,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:49,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:49,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:49,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:49,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:49,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:49,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:49,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:49,914 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:49,915 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:49,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:49,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:49,919 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 -> 36029c97ff36b924dec4fff6e18b89b3177e9048 [2019-11-26 17:01:50,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:50,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:50,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:50,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:50,561 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:50,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test21-2.c [2019-11-26 17:01:50,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc9a77bd/47386b333b6149889e11117f39697728/FLAGca4734fb3 [2019-11-26 17:01:51,808 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:51,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test21-2.c [2019-11-26 17:01:51,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc9a77bd/47386b333b6149889e11117f39697728/FLAGca4734fb3 [2019-11-26 17:01:51,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc9a77bd/47386b333b6149889e11117f39697728 [2019-11-26 17:01:51,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:51,882 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:51,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:51,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:51,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:51,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d4f145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:51, skipping insertion in model container [2019-11-26 17:01:51,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:51" (1/1) ... [2019-11-26 17:01:51,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:51,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:52,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:52,434 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:52,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:52,606 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:52,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:52 WrapperNode [2019-11-26 17:01:52,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:52,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:52,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:52,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:52,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:52" (1/1) ... [2019-11-26 17:01:52,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:52" (1/1) ... [2019-11-26 17:01:52,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:52,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:52,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:52,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:52,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:52" (1/1) ... [2019-11-26 17:01:52,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:52" (1/1) ... [2019-11-26 17:01:52,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:52" (1/1) ... [2019-11-26 17:01:52,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:52" (1/1) ... [2019-11-26 17:01:52,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:52" (1/1) ... [2019-11-26 17:01:52,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:52" (1/1) ... [2019-11-26 17:01:52,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:52" (1/1) ... [2019-11-26 17:01:52,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:52,801 INFO L168 Benchmark]: Toolchain (without parser) took 899.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.0 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:52,804 INFO L168 Benchmark]: CDTParser took 3.01 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. [2019-11-26 17:01:52,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.7 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:52,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.09 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:52,816 INFO L168 Benchmark]: Boogie Preprocessor took 78.13 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. [2019-11-26 17:01:52,824 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.01 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 723.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.7 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 88.09 ms. Allocated memory is still 1.0 GB. Free memory is still 996.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.13 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...