./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test16.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/test16.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 fa042b443dc45a7f1744078ac68f117b1cbe89b6 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/test16.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 fa042b443dc45a7f1744078ac68f117b1cbe89b6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:01:40,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:40,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:40,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:40,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:40,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:40,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:40,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:40,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:40,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:40,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:40,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:40,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:40,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:40,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:40,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:40,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:40,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:40,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:40,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:40,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:40,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:40,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:40,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:41,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:41,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:41,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:41,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:41,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:41,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:41,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:41,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:41,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:41,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:41,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:41,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:41,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:41,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:41,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:41,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:41,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:41,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:41,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:41,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:41,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:41,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:41,084 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:41,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:41,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:41,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:41,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:41,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:41,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:41,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:41,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:41,092 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:41,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:41,093 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:41,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:41,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:41,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:41,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:41,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:41,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:41,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:41,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:41,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:41,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:41,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:41,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:41,102 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 -> fa042b443dc45a7f1744078ac68f117b1cbe89b6 [2019-11-26 17:01:41,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:41,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:41,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:41,736 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:41,737 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:41,740 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test16.c [2019-11-26 17:01:41,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33e00ca60/f66bb597179942f1a5d00803bb2fea33/FLAG15fe4ea2d [2019-11-26 17:01:42,898 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:42,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test16.c [2019-11-26 17:01:42,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33e00ca60/f66bb597179942f1a5d00803bb2fea33/FLAG15fe4ea2d [2019-11-26 17:01:42,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33e00ca60/f66bb597179942f1a5d00803bb2fea33 [2019-11-26 17:01:42,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:42,966 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:42,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:42,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:42,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:42,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:42" (1/1) ... [2019-11-26 17:01:42,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364378cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:42, skipping insertion in model container [2019-11-26 17:01:42,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:42" (1/1) ... [2019-11-26 17:01:43,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:43,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:43,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:43,459 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:43,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:43,524 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:43,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43 WrapperNode [2019-11-26 17:01:43,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:43,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:43,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:43,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:43,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:43,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:43,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:43,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:43,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:43" (1/1) ... [2019-11-26 17:01:43,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:43,741 INFO L168 Benchmark]: Toolchain (without parser) took 755.95 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: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:43,743 INFO L168 Benchmark]: CDTParser took 2.79 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 17:01:43,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:43,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:43,753 INFO L168 Benchmark]: Boogie Preprocessor took 39.64 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 17:01:43,764 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.79 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 569.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 139.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 39.64 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 17:01:47,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:47,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:47,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:47,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:47,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:47,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:47,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:47,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:47,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:47,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:47,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:47,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:47,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:47,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:47,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:47,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:47,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:47,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:47,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:47,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:47,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:47,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:47,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:47,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:47,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:47,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:47,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:47,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:47,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:47,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:47,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:47,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:47,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:47,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:47,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:47,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:47,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:47,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:47,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:47,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:47,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:47,765 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:47,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:47,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:47,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:47,773 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:47,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:47,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:47,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:47,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:47,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:47,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:47,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:47,778 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:47,779 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:47,781 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:47,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:47,781 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:47,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:47,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:47,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:47,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:47,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:47,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:47,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:47,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:47,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:47,786 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:47,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:47,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:47,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:47,791 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 -> fa042b443dc45a7f1744078ac68f117b1cbe89b6 [2019-11-26 17:01:48,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:48,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:48,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:48,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:48,381 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:48,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test16.c [2019-11-26 17:01:48,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c91063c/9e2793b3959c4990a0804acf5f5dcf90/FLAG4ada5cf68 [2019-11-26 17:01:49,453 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:49,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test16.c [2019-11-26 17:01:49,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c91063c/9e2793b3959c4990a0804acf5f5dcf90/FLAG4ada5cf68 [2019-11-26 17:01:49,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c91063c/9e2793b3959c4990a0804acf5f5dcf90 [2019-11-26 17:01:49,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:49,652 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:49,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:49,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:49,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:49,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:49" (1/1) ... [2019-11-26 17:01:49,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad4f9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:49, skipping insertion in model container [2019-11-26 17:01:49,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:49" (1/1) ... [2019-11-26 17:01:49,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:49,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:50,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:50,193 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:50,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:50,261 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:50,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50 WrapperNode [2019-11-26 17:01:50,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:50,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:50,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:50,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:50,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:50,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:50,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:50,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:50,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:50" (1/1) ... [2019-11-26 17:01:50,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:50,503 INFO L168 Benchmark]: Toolchain (without parser) took 845.51 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:50,507 INFO L168 Benchmark]: CDTParser took 1.09 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 17:01:50,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.29 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:50,520 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:50,526 INFO L168 Benchmark]: Boogie Preprocessor took 69.41 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. [2019-11-26 17:01:50,536 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 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 602.29 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.9 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 161.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.9 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 69.41 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...