./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invariants/even.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/loop-invariants/even.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 0da6bb15567d40fa620ab6e47e9e189bd3f064b0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-invariants/even.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 0da6bb15567d40fa620ab6e47e9e189bd3f064b0 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:52:36,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:36,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:36,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:36,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:36,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:36,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:36,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:36,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:36,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:36,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:36,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:36,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:36,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:36,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:36,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:36,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:36,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:36,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:36,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:36,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:36,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:36,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:36,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:36,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:36,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:36,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:36,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:36,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:36,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:36,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:36,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:36,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:36,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:36,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:36,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:36,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:36,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:36,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:36,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:36,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:36,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:52:36,259 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:36,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:36,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:36,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:36,263 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:36,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:36,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:36,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:52:36,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:36,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:36,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:36,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:36,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:36,271 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:36,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:36,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:36,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:36,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:36,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:36,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:36,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:36,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:36,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:36,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:36,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:36,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:52:36,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:52:36,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:36,281 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 -> 0da6bb15567d40fa620ab6e47e9e189bd3f064b0 [2019-11-27 09:52:36,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:36,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:36,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:36,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:36,984 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:36,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/even.c [2019-11-27 09:52:37,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa7a6e57/d2ba0bc6483b4d3c9782f47ca1f13dca/FLAGd8ed2bace [2019-11-27 09:52:38,218 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:38,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/even.c [2019-11-27 09:52:38,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa7a6e57/d2ba0bc6483b4d3c9782f47ca1f13dca/FLAGd8ed2bace [2019-11-27 09:52:38,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaa7a6e57/d2ba0bc6483b4d3c9782f47ca1f13dca [2019-11-27 09:52:38,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:38,287 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:38,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:38,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:38,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:38,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:38,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38, skipping insertion in model container [2019-11-27 09:52:38,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:38,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:38,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:38,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:38,760 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:38,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:38,838 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:38,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38 WrapperNode [2019-11-27 09:52:38,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:38,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:38,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:38,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:38,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:38,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:39,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:39,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:39,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:39,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:38" (1/1) ... [2019-11-27 09:52:39,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:39,092 INFO L168 Benchmark]: Toolchain (without parser) took 797.72 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:39,094 INFO L168 Benchmark]: CDTParser took 2.96 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:39,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.14 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:39,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:39,105 INFO L168 Benchmark]: Boogie Preprocessor took 58.59 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:39,116 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.96 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 548.14 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 179.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 58.59 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:52:42,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:52:42,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:52:43,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:52:43,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:52:43,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:52:43,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:52:43,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:52:43,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:52:43,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:52:43,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:52:43,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:52:43,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:52:43,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:52:43,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:52:43,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:52:43,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:52:43,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:52:43,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:52:43,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:52:43,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:52:43,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:52:43,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:52:43,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:52:43,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:52:43,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:52:43,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:52:43,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:52:43,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:52:43,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:52:43,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:52:43,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:52:43,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:52:43,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:52:43,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:52:43,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:52:43,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:52:43,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:52:43,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:52:43,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:52:43,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:52:43,160 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:52:43,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:52:43,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:52:43,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:52:43,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:52:43,224 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:52:43,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:52:43,225 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:52:43,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:52:43,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:52:43,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:52:43,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:52:43,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:52:43,228 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:52:43,228 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:52:43,230 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:52:43,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:52:43,233 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:52:43,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:52:43,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:52:43,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:52:43,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:52:43,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:52:43,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:52:43,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:52:43,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:52:43,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:52:43,238 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:52:43,238 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:52:43,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:52:43,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:52:43,240 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 -> 0da6bb15567d40fa620ab6e47e9e189bd3f064b0 [2019-11-27 09:52:43,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:52:43,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:52:43,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:52:43,829 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:52:43,832 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:52:43,835 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/even.c [2019-11-27 09:52:43,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5da1b970e/cb33112c7e3142e2aaf1ace883ad2e3b/FLAGed9c2e4f2 [2019-11-27 09:52:45,043 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:52:45,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/even.c [2019-11-27 09:52:45,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5da1b970e/cb33112c7e3142e2aaf1ace883ad2e3b/FLAGed9c2e4f2 [2019-11-27 09:52:45,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5da1b970e/cb33112c7e3142e2aaf1ace883ad2e3b [2019-11-27 09:52:45,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:52:45,110 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:52:45,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:45,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:52:45,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:52:45,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cd9645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45, skipping insertion in model container [2019-11-27 09:52:45,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:52:45,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:52:45,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:45,683 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:52:45,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:52:45,758 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:52:45,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45 WrapperNode [2019-11-27 09:52:45,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:52:45,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:45,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:52:45,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:52:45,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:52:45,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:52:45,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:52:45,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:52:45,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:52:45" (1/1) ... [2019-11-27 09:52:45,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:52:45,991 INFO L168 Benchmark]: Toolchain (without parser) took 873.33 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:52:45,994 INFO L168 Benchmark]: CDTParser took 1.95 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 09:52:45,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.60 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:46,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:52:46,003 INFO L168 Benchmark]: Boogie Preprocessor took 61.13 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 09:52:46,014 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.95 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 648.60 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 154.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.13 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...