./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 da95e156 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 dfe25ce750efb74d780ec4e5d4c6de923e91c57e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 dfe25ce750efb74d780ec4e5d4c6de923e91c57e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:06,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:06,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:06,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:06,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:06,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:06,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:06,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:06,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:06,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:06,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:06,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:06,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:06,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:06,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:06,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:06,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:06,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:06,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:06,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:06,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:06,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:06,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:06,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:06,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:06,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:06,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:06,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:06,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:06,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:06,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:06,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:06,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:06,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:06,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:06,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:06,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:06,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:06,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:06,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:06,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:06,988 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:07,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:07,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:07,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:07,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:07,037 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:07,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:07,038 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:07,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:07,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:07,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:07,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:07,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:07,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:07,044 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:07,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:07,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:07,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:07,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:07,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:07,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:07,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:07,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:07,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:07,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:07,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:07,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:07,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:07,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:07,053 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 -> dfe25ce750efb74d780ec4e5d4c6de923e91c57e [2019-11-27 09:49:07,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:07,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:07,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:07,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:07,691 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:07,692 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-27 09:49:07,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/400b3fcb9/b003d42063bc43b58e10fec7e1a0a52d/FLAGf8cf6d0ac [2019-11-27 09:49:08,920 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:08,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-27 09:49:08,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/400b3fcb9/b003d42063bc43b58e10fec7e1a0a52d/FLAGf8cf6d0ac [2019-11-27 09:49:08,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/400b3fcb9/b003d42063bc43b58e10fec7e1a0a52d [2019-11-27 09:49:08,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:08,991 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:08,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:08,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:08,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:09,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:08" (1/1) ... [2019-11-27 09:49:09,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e6bd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09, skipping insertion in model container [2019-11-27 09:49:09,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:08" (1/1) ... [2019-11-27 09:49:09,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:09,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:09,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:09,595 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:09,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:09,796 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:09,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09 WrapperNode [2019-11-27 09:49:09,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:09,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:09,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:09,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:09,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:09,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:09,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:09,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:09,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:09,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:10,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:10,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:10,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:09" (1/1) ... [2019-11-27 09:49:10,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:10,057 INFO L168 Benchmark]: Toolchain (without parser) took 1063.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:10,058 INFO L168 Benchmark]: CDTParser took 3.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:10,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:10,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.40 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:10,068 INFO L168 Benchmark]: Boogie Preprocessor took 101.55 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:10,079 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.44 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 809.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 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 140.40 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 101.55 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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-da95e15 [2019-11-27 09:49:13,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:13,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:13,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:13,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:13,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:13,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:13,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:13,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:13,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:13,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:13,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:13,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:13,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:13,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:13,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:13,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:13,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:14,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:14,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:14,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:14,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:14,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:14,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:14,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:14,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:14,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:14,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:14,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:14,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:14,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:14,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:14,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:14,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:14,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:14,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:14,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:14,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:14,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:14,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:14,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:14,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:14,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:14,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:14,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:14,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:14,136 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:14,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:14,139 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:14,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:14,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:14,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:14,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:14,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:14,141 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:14,142 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:14,144 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:14,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:14,144 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:14,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:14,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:14,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:14,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:14,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:14,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:14,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:14,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:14,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:14,151 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:14,152 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:14,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:14,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:14,154 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 -> dfe25ce750efb74d780ec4e5d4c6de923e91c57e [2019-11-27 09:49:14,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:14,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:14,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:14,729 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:14,729 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:14,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-27 09:49:14,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c544aadd/2ebc19b7dc674a44812816bf5c70cf56/FLAG8473af77e [2019-11-27 09:49:15,957 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:15,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-2.c [2019-11-27 09:49:15,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c544aadd/2ebc19b7dc674a44812816bf5c70cf56/FLAG8473af77e [2019-11-27 09:49:16,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c544aadd/2ebc19b7dc674a44812816bf5c70cf56 [2019-11-27 09:49:16,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:16,024 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:16,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:16,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:16,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:16,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:16,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1035cb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16, skipping insertion in model container [2019-11-27 09:49:16,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:16,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:16,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:16,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:16,669 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:16,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:16,890 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:16,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16 WrapperNode [2019-11-27 09:49:16,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:16,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:16,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:16,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:16,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:16,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:17,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:17,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:17,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:17,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:17,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:17,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:17,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:17,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:17,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:17,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:17,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:16" (1/1) ... [2019-11-27 09:49:17,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:17,128 INFO L168 Benchmark]: Toolchain (without parser) took 1099.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:17,130 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:17,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:17,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.76 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:17,136 INFO L168 Benchmark]: Boogie Preprocessor took 104.74 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:17,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 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 861.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 120.76 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 104.74 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...