./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/cohencu.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/cohencu.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 8c7e030372f64e252dd593d1c6705e518ab2cc77 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/nla-digbench/cohencu.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 8c7e030372f64e252dd593d1c6705e518ab2cc77 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:14:31,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:31,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:31,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:31,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:31,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:31,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:31,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:31,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:31,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:31,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:31,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:31,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:31,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:31,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:31,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:31,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:31,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:31,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:31,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:31,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:31,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:31,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:31,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:31,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:31,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:31,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:31,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:31,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:31,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:31,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:31,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:31,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:31,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:31,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:31,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:31,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:31,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:31,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:31,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:31,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:31,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:14:31,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:31,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:31,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:31,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:31,239 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:31,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:31,239 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:31,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:14:31,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:31,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:31,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:31,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:31,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:31,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:31,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:31,247 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:31,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:31,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:31,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:31,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:31,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:31,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:31,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:31,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:31,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:31,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:14:31,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:14:31,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:31,254 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 -> 8c7e030372f64e252dd593d1c6705e518ab2cc77 [2019-11-27 16:14:31,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:31,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:31,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:31,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:31,810 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:31,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-27 16:14:31,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e7b8c03/cb322989a0c2459d9f0117b3aaa88918/FLAG2fb08291c [2019-11-27 16:14:33,049 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:33,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-27 16:14:33,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e7b8c03/cb322989a0c2459d9f0117b3aaa88918/FLAG2fb08291c [2019-11-27 16:14:33,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e7b8c03/cb322989a0c2459d9f0117b3aaa88918 [2019-11-27 16:14:33,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:33,122 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:33,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:33,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:33,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:33,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:33,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cad85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33, skipping insertion in model container [2019-11-27 16:14:33,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:33,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:33,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:33,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:33,721 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:33,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:33,923 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:33,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33 WrapperNode [2019-11-27 16:14:33,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:33,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:33,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:33,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:33,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:33,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:34,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:34,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:34,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:34,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:33" (1/1) ... [2019-11-27 16:14:34,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:34,102 INFO L168 Benchmark]: Toolchain (without parser) took 975.10 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 991.5 MB in the end (delta: -29.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:34,112 INFO L168 Benchmark]: CDTParser took 1.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:34,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.61 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:34,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.50 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:34,126 INFO L168 Benchmark]: Boogie Preprocessor took 64.36 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:34,133 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 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 801.61 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 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 92.50 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 64.36 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 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 0.1.24-509859d [2019-11-27 16:14:37,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:14:37,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:14:38,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:14:38,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:14:38,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:14:38,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:14:38,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:14:38,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:14:38,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:14:38,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:14:38,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:14:38,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:14:38,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:14:38,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:14:38,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:14:38,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:14:38,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:14:38,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:14:38,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:14:38,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:14:38,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:14:38,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:14:38,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:14:38,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:14:38,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:14:38,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:14:38,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:14:38,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:14:38,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:14:38,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:14:38,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:14:38,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:14:38,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:14:38,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:14:38,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:14:38,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:14:38,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:14:38,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:14:38,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:14:38,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:14:38,179 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:14:38,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:14:38,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:14:38,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:14:38,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:14:38,227 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:14:38,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:14:38,228 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:14:38,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:14:38,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:14:38,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:14:38,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:14:38,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:14:38,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:14:38,234 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:14:38,235 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:14:38,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:14:38,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:14:38,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:14:38,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:14:38,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:14:38,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:14:38,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:14:38,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:14:38,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:14:38,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:14:38,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:14:38,242 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:14:38,242 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:14:38,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:14:38,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:14:38,247 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 -> 8c7e030372f64e252dd593d1c6705e518ab2cc77 [2019-11-27 16:14:38,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:14:38,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:14:38,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:14:38,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:14:38,913 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:14:38,914 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-27 16:14:39,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0cefa95e/d093ed281cf341bdb100f2002327fc64/FLAGdfafaa3e3 [2019-11-27 16:14:40,133 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:14:40,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohencu.c [2019-11-27 16:14:40,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0cefa95e/d093ed281cf341bdb100f2002327fc64/FLAGdfafaa3e3 [2019-11-27 16:14:40,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0cefa95e/d093ed281cf341bdb100f2002327fc64 [2019-11-27 16:14:40,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:14:40,394 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:14:40,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:40,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:14:40,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:14:40,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:40" (1/1) ... [2019-11-27 16:14:40,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717ede78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:40, skipping insertion in model container [2019-11-27 16:14:40,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:14:40" (1/1) ... [2019-11-27 16:14:40,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:14:40,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:14:40,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:40,989 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:14:41,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:14:41,196 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:14:41,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:41 WrapperNode [2019-11-27 16:14:41,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:14:41,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:41,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:14:41,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:14:41,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:41" (1/1) ... [2019-11-27 16:14:41,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:41" (1/1) ... [2019-11-27 16:14:41,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:14:41,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:14:41,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:14:41,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:14:41,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:41" (1/1) ... [2019-11-27 16:14:41,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:41" (1/1) ... [2019-11-27 16:14:41,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:41" (1/1) ... [2019-11-27 16:14:41,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:41" (1/1) ... [2019-11-27 16:14:41,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:41" (1/1) ... [2019-11-27 16:14:41,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:41" (1/1) ... [2019-11-27 16:14:41,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:14:41" (1/1) ... [2019-11-27 16:14:41,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:14:41,400 INFO L168 Benchmark]: Toolchain (without parser) took 1001.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:41,403 INFO L168 Benchmark]: CDTParser took 2.59 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:41,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:14:41,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.50 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:14:41,409 INFO L168 Benchmark]: Boogie Preprocessor took 78.65 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. [2019-11-27 16:14:41,428 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.59 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 803.28 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 111.50 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 78.65 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...