./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test27-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test27-2.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 8d15e59fd1b84d7219285b33cc166f567d0bcf3e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/test27-2.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 8d15e59fd1b84d7219285b33cc166f567d0bcf3e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:52,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:52,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:52,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:52,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:52,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:52,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:52,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:52,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:52,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:52,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:52,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:52,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:52,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:52,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:52,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:52,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:52,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:52,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:52,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:52,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:52,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:52,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:52,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:52,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:52,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:52,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:52,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:52,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:52,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:52,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:52,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:52,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:52,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:52,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:52,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:52,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:52,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:52,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:52,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:52,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:52,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:07:52,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:52,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:52,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:52,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:52,975 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:52,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:52,976 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:52,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:07:52,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:52,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:52,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:52,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:52,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:52,980 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:52,980 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:52,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:52,981 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:52,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:52,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:52,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:52,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:52,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:52,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:52,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:52,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:52,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:52,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:07:52,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:07:52,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:52,988 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 -> 8d15e59fd1b84d7219285b33cc166f567d0bcf3e [2019-11-24 21:07:53,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:53,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:53,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:53,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:53,502 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:53,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-24 21:07:53,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15dfd3191/a324792fda104549a61a7042a7b5bb87/FLAGa5d6c5d93 [2019-11-24 21:07:54,375 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:54,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-24 21:07:54,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15dfd3191/a324792fda104549a61a7042a7b5bb87/FLAGa5d6c5d93 [2019-11-24 21:07:54,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15dfd3191/a324792fda104549a61a7042a7b5bb87 [2019-11-24 21:07:54,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:54,693 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:54,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:54,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:54,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:54,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:54" (1/1) ... [2019-11-24 21:07:54,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc4abe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:54, skipping insertion in model container [2019-11-24 21:07:54,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:54" (1/1) ... [2019-11-24 21:07:54,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:54,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:55,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:55,177 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:55,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:55,325 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:55,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:55 WrapperNode [2019-11-24 21:07:55,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:55,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:55,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:55,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:55,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:55" (1/1) ... [2019-11-24 21:07:55,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:55" (1/1) ... [2019-11-24 21:07:55,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:55,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:55,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:55,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:55,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:55" (1/1) ... [2019-11-24 21:07:55,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:55" (1/1) ... [2019-11-24 21:07:55,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:55" (1/1) ... [2019-11-24 21:07:55,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:55" (1/1) ... [2019-11-24 21:07:55,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:55" (1/1) ... [2019-11-24 21:07:55,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:55" (1/1) ... [2019-11-24 21:07:55,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:55" (1/1) ... [2019-11-24 21:07:55,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:55,524 INFO L168 Benchmark]: Toolchain (without parser) took 824.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.8 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:55,527 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:55,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.8 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:55,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.76 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:55,534 INFO L168 Benchmark]: Boogie Preprocessor took 75.82 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:55,543 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 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 628.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.8 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 101.76 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.82 ms. Allocated memory is still 1.0 GB. Free memory is still 989.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:58,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:58,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:58,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:58,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:58,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:58,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:58,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:58,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:58,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:58,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:58,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:58,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:58,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:58,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:58,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:58,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:58,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:58,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:58,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:58,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:58,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:58,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:58,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:58,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:58,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:58,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:58,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:58,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:58,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:58,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:58,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:58,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:58,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:58,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:58,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:58,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:58,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:58,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:58,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:58,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:58,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:58,475 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:58,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:58,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:58,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:58,482 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:58,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:58,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:58,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:58,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:58,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:58,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:58,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:58,484 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:58,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:58,485 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:58,485 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:58,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:58,486 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:58,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:58,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:58,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:58,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:58,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:58,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:58,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:58,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:58,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:58,490 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:58,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:58,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:58,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:58,492 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 -> 8d15e59fd1b84d7219285b33cc166f567d0bcf3e [2019-11-24 21:07:58,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:58,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:58,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:58,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:58,989 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:58,990 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-24 21:07:59,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/535d52238/e33b258183b142b488d1969d7f4fbe8c/FLAGaa3b35545 [2019-11-24 21:07:59,831 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:59,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-24 21:07:59,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/535d52238/e33b258183b142b488d1969d7f4fbe8c/FLAGaa3b35545 [2019-11-24 21:08:00,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/535d52238/e33b258183b142b488d1969d7f4fbe8c [2019-11-24 21:08:00,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:08:00,160 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:08:00,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:00,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:08:00,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:08:00,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:00" (1/1) ... [2019-11-24 21:08:00,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da8f6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:00, skipping insertion in model container [2019-11-24 21:08:00,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:08:00" (1/1) ... [2019-11-24 21:08:00,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:08:00,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:08:00,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:00,622 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:08:00,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:08:00,793 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:08:00,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:00 WrapperNode [2019-11-24 21:08:00,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:08:00,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:00,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:08:00,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:08:00,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:00" (1/1) ... [2019-11-24 21:08:00,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:00" (1/1) ... [2019-11-24 21:08:00,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:08:00,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:08:00,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:08:00,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:08:00,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:00" (1/1) ... [2019-11-24 21:08:00,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:00" (1/1) ... [2019-11-24 21:08:00,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:00" (1/1) ... [2019-11-24 21:08:00,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:00" (1/1) ... [2019-11-24 21:08:00,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:00" (1/1) ... [2019-11-24 21:08:00,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:00" (1/1) ... [2019-11-24 21:08:00,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:08:00" (1/1) ... [2019-11-24 21:08:00,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:08:00,961 INFO L168 Benchmark]: Toolchain (without parser) took 800.78 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 979.8 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:00,964 INFO L168 Benchmark]: CDTParser took 1.46 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:00,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.17 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 985.6 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:08:00,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.08 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:00,968 INFO L168 Benchmark]: Boogie Preprocessor took 81.90 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:08:00,988 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 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 632.17 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 985.6 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 81.08 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 81.90 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...