./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 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 0.1.24-025d5a2 [2019-11-26 17:05:00,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:00,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:00,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:00,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:00,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:00,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:00,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:00,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:00,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:00,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:00,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:00,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:00,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:00,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:00,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:00,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:00,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:00,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:00,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:00,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:00,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:00,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:00,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:00,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:00,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:00,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:00,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:00,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:00,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:00,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:00,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:00,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:00,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:00,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:00,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:00,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:00,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:00,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:00,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:00,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:00,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:00,219 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:00,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:00,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:00,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:00,226 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:00,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:00,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:00,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:00,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:00,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:00,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:00,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:00,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:00,232 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:00,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:00,232 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:00,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:00,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:00,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:00,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:00,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:00,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:00,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:00,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:00,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:00,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:00,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:00,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:00,237 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 [2019-11-26 17:05:00,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:00,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:00,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:00,653 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:00,657 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:00,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/even.c [2019-11-26 17:05:00,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74791525/cfc4f90fe2094789bf965d59bd4458a4/FLAGdc5fe719b [2019-11-26 17:05:01,466 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:01,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/even.c [2019-11-26 17:05:01,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74791525/cfc4f90fe2094789bf965d59bd4458a4/FLAGdc5fe719b [2019-11-26 17:05:01,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74791525/cfc4f90fe2094789bf965d59bd4458a4 [2019-11-26 17:05:01,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:01,802 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:01,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:01,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:01,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:01,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:01" (1/1) ... [2019-11-26 17:05:01,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:01, skipping insertion in model container [2019-11-26 17:05:01,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:01" (1/1) ... [2019-11-26 17:05:01,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:01,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:02,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:02,133 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:02,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:02,161 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:02,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02 WrapperNode [2019-11-26 17:05:02,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:02,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:02,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:02,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:02,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:02,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:02,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:02,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:02,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:02" (1/1) ... [2019-11-26 17:05:02,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:02,317 INFO L168 Benchmark]: Toolchain (without parser) took 498.52 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:02,319 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-26 17:05:02,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.91 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:02,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:02,327 INFO L168 Benchmark]: Boogie Preprocessor took 28.82 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:02,334 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 359.91 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 100.21 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 28.82 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:05:05,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:05,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:05,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:05,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:05,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:05,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:05,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:05,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:05,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:05,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:05,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:05,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:05,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:05,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:05,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:05,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:05,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:05,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:05,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:05,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:05,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:05,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:05,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:05,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:05,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:05,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:05,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:05,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:05,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:05,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:05,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:05,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:05,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:05,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:05,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:05,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:05,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:05,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:05,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:05,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:05,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:05,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:05,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:05,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:05,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:05,203 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:05,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:05,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:05,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:05,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:05,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:05,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:05,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:05,208 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:05,208 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:05,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:05,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:05,209 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:05,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:05,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:05,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:05,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:05,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:05,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:05,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:05,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:05,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:05,214 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:05,214 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:05,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:05,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:05,216 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 [2019-11-26 17:05:05,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:05,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:05,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:05,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:05,710 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:05,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/even.c [2019-11-26 17:05:05,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73fc8373/a4d78e02b18641128c1a2398c89ae1b8/FLAGc3b4ed284 [2019-11-26 17:05:06,500 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:06,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/even.c [2019-11-26 17:05:06,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73fc8373/a4d78e02b18641128c1a2398c89ae1b8/FLAGc3b4ed284 [2019-11-26 17:05:06,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73fc8373/a4d78e02b18641128c1a2398c89ae1b8 [2019-11-26 17:05:06,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:06,847 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:06,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:06,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:06,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:06,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:06, skipping insertion in model container [2019-11-26 17:05:06,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:06" (1/1) ... [2019-11-26 17:05:06,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:06,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:07,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:07,163 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:07,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:07,205 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:07,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07 WrapperNode [2019-11-26 17:05:07,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:07,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:07,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:07,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:07,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:07,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:07,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:07,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:07,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:07" (1/1) ... [2019-11-26 17:05:07,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:07,334 INFO L168 Benchmark]: Toolchain (without parser) took 483.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:07,336 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-26 17:05:07,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.44 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. [2019-11-26 17:05:07,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.84 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 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:07,341 INFO L168 Benchmark]: Boogie Preprocessor took 21.34 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:07,352 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 353.44 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 95.84 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 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 21.34 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 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...