./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label26.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/eca-rers2012/Problem02_label26.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 ec64944e15cde20ad15af2bd0f0e78efc8184588 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Problem02_label26.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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:21:19,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:19,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:19,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:19,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:19,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:19,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:19,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:19,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:19,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:19,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:19,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:19,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:19,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:19,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:19,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:19,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:19,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:19,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:19,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:19,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:19,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:19,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:19,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:19,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:19,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:19,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:19,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:19,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:19,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:19,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:19,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:19,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:19,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:19,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:19,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:19,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:19,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:19,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:19,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:19,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:19,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:21:19,449 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:19,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:19,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:19,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:19,456 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:19,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:19,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:19,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:21:19,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:19,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:19,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:19,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:19,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:19,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:19,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:19,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:19,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:19,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:19,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:19,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:19,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:19,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:19,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:19,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:19,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:19,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:21:19,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:21:19,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:19,471 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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2019-11-27 09:21:20,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:20,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:20,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:20,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:20,131 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:20,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-27 09:21:20,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4c7d472b/f6fd28d2a5bb4b0d8c96c7346aec039e/FLAGb4e67a964 [2019-11-27 09:21:21,536 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:21,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-27 09:21:21,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4c7d472b/f6fd28d2a5bb4b0d8c96c7346aec039e/FLAGb4e67a964 [2019-11-27 09:21:21,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4c7d472b/f6fd28d2a5bb4b0d8c96c7346aec039e [2019-11-27 09:21:21,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:21,621 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:21,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:21,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:21,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:21,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:21" (1/1) ... [2019-11-27 09:21:21,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:21, skipping insertion in model container [2019-11-27 09:21:21,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:21" (1/1) ... [2019-11-27 09:21:21,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:21,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:22,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:22,851 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:23,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:23,217 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:23,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:23 WrapperNode [2019-11-27 09:21:23,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:23,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:23,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:23,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:23,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:23" (1/1) ... [2019-11-27 09:21:23,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:23" (1/1) ... [2019-11-27 09:21:23,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:23,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:23,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:23,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:23,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:23" (1/1) ... [2019-11-27 09:21:23,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:23" (1/1) ... [2019-11-27 09:21:23,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:23" (1/1) ... [2019-11-27 09:21:23,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:23" (1/1) ... [2019-11-27 09:21:23,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:23" (1/1) ... [2019-11-27 09:21:23,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:23" (1/1) ... [2019-11-27 09:21:23,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:23" (1/1) ... [2019-11-27 09:21:23,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:23,629 INFO L168 Benchmark]: Toolchain (without parser) took 2001.60 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 961.5 MB in the end (delta: 143.8 kB). Peak memory consumption was 209.3 kB. Max. memory is 12.5 GB. [2019-11-27 09:21:23,632 INFO L168 Benchmark]: CDTParser took 0.32 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 09:21:23,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1596.15 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 973.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:23,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.26 ms. Allocated memory is still 1.0 GB. Free memory was 973.0 MB in the beginning and 967.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:23,645 INFO L168 Benchmark]: Boogie Preprocessor took 184.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.3 MB in the beginning and 961.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:23,654 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1596.15 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 973.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 210.26 ms. Allocated memory is still 1.0 GB. Free memory was 973.0 MB in the beginning and 967.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 184.15 ms. Allocated memory is still 1.0 GB. Free memory was 967.3 MB in the beginning and 961.5 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 09:21:27,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:21:27,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:21:27,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:21:27,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:21:27,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:21:27,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:21:27,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:21:27,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:21:27,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:21:27,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:21:27,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:21:27,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:21:27,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:21:27,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:21:27,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:21:27,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:21:27,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:21:27,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:21:27,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:21:27,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:21:27,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:21:27,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:21:27,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:21:27,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:21:27,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:21:27,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:21:27,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:21:27,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:21:27,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:21:27,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:21:27,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:21:27,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:21:27,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:21:27,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:21:27,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:21:27,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:21:27,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:21:27,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:21:27,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:21:27,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:21:27,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:21:27,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:21:27,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:21:27,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:21:27,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:21:27,715 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:21:27,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:21:27,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:21:27,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:21:27,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:21:27,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:21:27,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:21:27,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:21:27,721 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:21:27,722 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:21:27,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:21:27,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:21:27,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:21:27,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:21:27,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:21:27,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:21:27,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:21:27,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:21:27,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:21:27,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:21:27,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:21:27,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:21:27,730 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:21:27,731 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:21:27,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:21:27,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:21:27,734 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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2019-11-27 09:21:28,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:21:28,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:21:28,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:21:28,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:21:28,425 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:21:28,427 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-27 09:21:28,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/023e805b7/a49fbb8f083f49d88bc36e33cda3c247/FLAG8a262cc6b [2019-11-27 09:21:29,780 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:21:29,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-27 09:21:29,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/023e805b7/a49fbb8f083f49d88bc36e33cda3c247/FLAG8a262cc6b [2019-11-27 09:21:29,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/023e805b7/a49fbb8f083f49d88bc36e33cda3c247 [2019-11-27 09:21:29,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:21:29,870 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:21:29,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:29,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:21:29,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:21:29,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:29" (1/1) ... [2019-11-27 09:21:29,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231fc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:29, skipping insertion in model container [2019-11-27 09:21:29,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:21:29" (1/1) ... [2019-11-27 09:21:29,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:21:30,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:21:31,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:31,167 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:21:31,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:21:31,435 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:21:31,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:31 WrapperNode [2019-11-27 09:21:31,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:21:31,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:31,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:21:31,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:21:31,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:31" (1/1) ... [2019-11-27 09:21:31,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:31" (1/1) ... [2019-11-27 09:21:31,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:21:31,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:21:31,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:21:31,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:21:31,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:31" (1/1) ... [2019-11-27 09:21:31,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:31" (1/1) ... [2019-11-27 09:21:31,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:31" (1/1) ... [2019-11-27 09:21:31,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:31" (1/1) ... [2019-11-27 09:21:31,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:31" (1/1) ... [2019-11-27 09:21:31,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:31" (1/1) ... [2019-11-27 09:21:31,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:21:31" (1/1) ... [2019-11-27 09:21:31,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:21:31,829 INFO L168 Benchmark]: Toolchain (without parser) took 1952.81 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 955.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:31,830 INFO L168 Benchmark]: CDTParser took 0.38 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 09:21:31,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1569.19 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 966.6 MB in the end (delta: 808.9 kB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:31,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.56 ms. Allocated memory is still 1.0 GB. Free memory was 966.6 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:31,844 INFO L168 Benchmark]: Boogie Preprocessor took 186.98 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 955.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:21:31,853 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 1569.19 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 966.6 MB in the end (delta: 808.9 kB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 186.56 ms. Allocated memory is still 1.0 GB. Free memory was 966.6 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 186.98 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 955.1 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...