./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem12_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem12_label52.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 cfc6adab30b64358b1284e86fcd605e71d581090 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/eca-rers2012/Problem12_label52.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 cfc6adab30b64358b1284e86fcd605e71d581090 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 20:52:50,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:52:50,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:52:50,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:52:50,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:52:50,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:52:50,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:52:50,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:52:50,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:52:50,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:52:50,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:52:50,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:52:50,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:52:50,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:52:50,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:52:50,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:52:50,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:52:50,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:52:50,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:52:50,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:52:50,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:52:50,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:52:50,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:52:50,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:52:50,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:52:50,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:52:50,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:52:50,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:52:50,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:52:50,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:52:50,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:52:50,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:52:50,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:52:50,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:52:50,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:52:50,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:52:50,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:52:50,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:52:50,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:52:50,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:52:50,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:52:50,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:52:50,475 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:52:50,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:52:50,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:52:50,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:52:50,480 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:52:50,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:52:50,480 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:52:50,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:52:50,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:52:50,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:52:50,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:52:50,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:52:50,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:52:50,484 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:52:50,485 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:52:50,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:52:50,485 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:52:50,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:52:50,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:52:50,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:52:50,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:52:50,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:52:50,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:52:50,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:52:50,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:52:50,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:52:50,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:52:50,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:52:50,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:52:50,490 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 -> cfc6adab30b64358b1284e86fcd605e71d581090 [2019-11-24 20:52:50,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:52:50,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:52:50,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:52:50,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:52:50,994 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:52:50,995 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label52.c [2019-11-24 20:52:51,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3b4cd7f6/30e97548fab3468984e7c09574a2fa27/FLAGdfcd35604 [2019-11-24 20:52:52,219 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:52:52,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label52.c [2019-11-24 20:52:52,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3b4cd7f6/30e97548fab3468984e7c09574a2fa27/FLAGdfcd35604 [2019-11-24 20:52:52,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3b4cd7f6/30e97548fab3468984e7c09574a2fa27 [2019-11-24 20:52:52,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:52:52,630 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:52:52,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:52:52,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:52:52,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:52:52,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:52:52" (1/1) ... [2019-11-24 20:52:52,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de9f55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:52, skipping insertion in model container [2019-11-24 20:52:52,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:52:52" (1/1) ... [2019-11-24 20:52:52,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:52:52,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:52:54,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:52:54,834 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:52:55,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:52:55,687 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:52:55,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:55 WrapperNode [2019-11-24 20:52:55,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:52:55,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:52:55,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:52:55,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:52:55,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:55" (1/1) ... [2019-11-24 20:52:55,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:55" (1/1) ... [2019-11-24 20:52:56,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:52:56,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:52:56,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:52:56,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:52:56,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:55" (1/1) ... [2019-11-24 20:52:56,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:55" (1/1) ... [2019-11-24 20:52:56,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:55" (1/1) ... [2019-11-24 20:52:56,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:55" (1/1) ... [2019-11-24 20:52:56,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:55" (1/1) ... [2019-11-24 20:52:56,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:55" (1/1) ... [2019-11-24 20:52:56,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:52:55" (1/1) ... [2019-11-24 20:52:56,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:52:56,730 INFO L168 Benchmark]: Toolchain (without parser) took 4097.35 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 717.8 MB in the end (delta: 232.4 MB). Peak memory consumption was 232.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:56,731 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:52:56,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3056.80 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 826.6 MB in the end (delta: 123.6 MB). Peak memory consumption was 123.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:56,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 570.83 ms. Allocated memory is still 1.0 GB. Free memory was 826.6 MB in the beginning and 757.9 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:56,738 INFO L168 Benchmark]: Boogie Preprocessor took 457.78 ms. Allocated memory is still 1.0 GB. Free memory was 757.9 MB in the beginning and 717.8 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 12.5 GB. [2019-11-24 20:52:56,746 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 3056.80 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 826.6 MB in the end (delta: 123.6 MB). Peak memory consumption was 123.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 570.83 ms. Allocated memory is still 1.0 GB. Free memory was 826.6 MB in the beginning and 757.9 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 457.78 ms. Allocated memory is still 1.0 GB. Free memory was 757.9 MB in the beginning and 717.8 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 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 0.1.24-32f2683 [2019-11-24 20:52:59,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:52:59,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:52:59,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:52:59,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:52:59,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:52:59,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:52:59,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:52:59,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:52:59,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:52:59,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:52:59,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:52:59,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:52:59,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:52:59,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:52:59,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:52:59,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:52:59,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:52:59,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:52:59,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:52:59,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:52:59,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:52:59,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:52:59,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:52:59,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:52:59,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:52:59,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:52:59,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:52:59,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:52:59,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:52:59,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:52:59,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:52:59,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:52:59,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:52:59,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:52:59,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:52:59,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:52:59,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:52:59,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:52:59,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:52:59,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:52:59,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:52:59,858 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:52:59,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:52:59,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:52:59,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:52:59,863 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:52:59,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:52:59,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:52:59,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:52:59,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:52:59,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:52:59,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:52:59,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:52:59,868 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:52:59,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:52:59,869 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:52:59,869 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:52:59,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:52:59,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:52:59,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:52:59,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:52:59,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:52:59,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:52:59,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:52:59,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:52:59,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:52:59,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:52:59,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:52:59,875 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:52:59,875 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:52:59,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:52:59,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:52:59,876 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 -> cfc6adab30b64358b1284e86fcd605e71d581090 [2019-11-24 20:53:00,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:53:00,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:53:00,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:53:00,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:53:00,388 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:53:00,389 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem12_label52.c [2019-11-24 20:53:00,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3fdc5cd/6074f9cafbbc40578466d1167b07c6f6/FLAGc574f6336 [2019-11-24 20:53:01,528 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:53:01,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem12_label52.c [2019-11-24 20:53:01,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3fdc5cd/6074f9cafbbc40578466d1167b07c6f6/FLAGc574f6336 [2019-11-24 20:53:02,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e3fdc5cd/6074f9cafbbc40578466d1167b07c6f6 [2019-11-24 20:53:02,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:53:02,040 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:53:02,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:53:02,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:53:02,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:53:02,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:53:02" (1/1) ... [2019-11-24 20:53:02,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d4f559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:53:02, skipping insertion in model container [2019-11-24 20:53:02,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:53:02" (1/1) ... [2019-11-24 20:53:02,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:53:02,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:53:04,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:53:04,413 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:53:05,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:53:05,544 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:53:05,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:53:05 WrapperNode [2019-11-24 20:53:05,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:53:05,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:53:05,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:53:05,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:53:05,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:53:05" (1/1) ... [2019-11-24 20:53:05,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:53:05" (1/1) ... [2019-11-24 20:53:05,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:53:05,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:53:05,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:53:05,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:53:05,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:53:05" (1/1) ... [2019-11-24 20:53:05,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:53:05" (1/1) ... [2019-11-24 20:53:05,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:53:05" (1/1) ... [2019-11-24 20:53:05,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:53:05" (1/1) ... [2019-11-24 20:53:06,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:53:05" (1/1) ... [2019-11-24 20:53:06,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:53:05" (1/1) ... [2019-11-24 20:53:06,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:53:05" (1/1) ... [2019-11-24 20:53:06,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:53:06,505 INFO L168 Benchmark]: Toolchain (without parser) took 4463.07 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 939.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 281.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:53:06,506 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 20:53:06,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3506.41 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 763.6 MB in the end (delta: 185.2 MB). Peak memory consumption was 185.3 MB. Max. memory is 12.5 GB. [2019-11-24 20:53:06,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 339.72 ms. Allocated memory is still 1.0 GB. Free memory was 763.6 MB in the beginning and 729.2 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-24 20:53:06,516 INFO L168 Benchmark]: Boogie Preprocessor took 610.00 ms. Allocated memory is still 1.0 GB. Free memory was 729.2 MB in the beginning and 939.4 MB in the end (delta: -210.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 12.5 GB. [2019-11-24 20:53:06,523 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 3506.41 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 763.6 MB in the end (delta: 185.2 MB). Peak memory consumption was 185.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 339.72 ms. Allocated memory is still 1.0 GB. Free memory was 763.6 MB in the beginning and 729.2 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 610.00 ms. Allocated memory is still 1.0 GB. Free memory was 729.2 MB in the beginning and 939.4 MB in the end (delta: -210.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...