./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.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 5896b493a194ebd884898cd6f8f73c85730ab78b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/seq-mthreaded/rekh_nxt.2.M1-2.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 5896b493a194ebd884898cd6f8f73c85730ab78b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:25:06,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:25:06,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:25:06,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:25:06,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:25:06,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:25:06,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:25:06,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:25:06,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:25:06,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:25:06,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:25:06,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:25:06,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:25:06,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:25:06,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:25:06,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:25:06,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:25:06,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:25:06,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:25:06,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:25:06,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:25:06,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:25:06,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:25:06,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:25:06,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:25:06,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:25:06,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:25:06,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:25:06,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:25:06,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:25:06,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:25:06,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:25:06,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:25:06,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:25:06,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:25:06,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:25:06,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:25:06,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:25:06,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:25:06,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:25:06,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:25:06,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:25:06,649 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:25:06,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:25:06,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:25:06,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:25:06,659 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:25:06,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:25:06,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:25:06,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:25:06,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:25:06,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:25:06,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:25:06,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:25:06,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:25:06,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:25:06,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:25:06,671 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:25:06,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:25:06,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:25:06,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:25:06,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:25:06,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:25:06,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:25:06,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:25:06,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:25:06,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:25:06,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:25:06,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:25:06,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:25:06,682 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 -> 5896b493a194ebd884898cd6f8f73c85730ab78b [2019-11-27 16:25:07,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:25:07,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:25:07,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:25:07,392 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:25:07,396 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:25:07,400 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-27 16:25:07,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0c4c246c/1458fe5300004f6e849f1381bc512911/FLAG578416361 [2019-11-27 16:25:09,149 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:25:09,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-27 16:25:09,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0c4c246c/1458fe5300004f6e849f1381bc512911/FLAG578416361 [2019-11-27 16:25:09,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0c4c246c/1458fe5300004f6e849f1381bc512911 [2019-11-27 16:25:09,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:25:09,262 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:25:09,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:25:09,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:25:09,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:25:09,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:25:09" (1/1) ... [2019-11-27 16:25:09,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a851b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:09, skipping insertion in model container [2019-11-27 16:25:09,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:25:09" (1/1) ... [2019-11-27 16:25:09,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:25:09,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:25:11,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:25:11,114 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:25:11,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:25:11,649 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:25:11,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:11 WrapperNode [2019-11-27 16:25:11,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:25:11,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:25:11,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:25:11,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:25:11,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:11" (1/1) ... [2019-11-27 16:25:11,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:11" (1/1) ... [2019-11-27 16:25:14,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:25:14,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:25:14,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:25:14,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:25:14,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:11" (1/1) ... [2019-11-27 16:25:14,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:11" (1/1) ... [2019-11-27 16:25:15,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:11" (1/1) ... [2019-11-27 16:25:15,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:11" (1/1) ... [2019-11-27 16:25:16,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:11" (1/1) ... [2019-11-27 16:25:17,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:11" (1/1) ... [2019-11-27 16:25:17,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:11" (1/1) ... [2019-11-27 16:25:18,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:25:18,966 INFO L168 Benchmark]: Toolchain (without parser) took 9703.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 786.1 MB in the end (delta: 169.9 MB). Peak memory consumption was 445.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:18,969 INFO L168 Benchmark]: CDTParser took 1.99 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:25:18,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2387.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 926.1 MB in the end (delta: 29.9 MB). Peak memory consumption was 30.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:18,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 2944.72 ms. Allocated memory is still 1.0 GB. Free memory was 926.1 MB in the beginning and 846.4 MB in the end (delta: 79.7 MB). Peak memory consumption was 315.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:18,980 INFO L168 Benchmark]: Boogie Preprocessor took 4359.25 ms. Allocated memory is still 1.0 GB. Free memory was 846.4 MB in the beginning and 786.1 MB in the end (delta: 60.3 MB). Peak memory consumption was 335.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:18,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.99 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 2387.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 926.1 MB in the end (delta: 29.9 MB). Peak memory consumption was 30.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 2944.72 ms. Allocated memory is still 1.0 GB. Free memory was 926.1 MB in the beginning and 846.4 MB in the end (delta: 79.7 MB). Peak memory consumption was 315.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 4359.25 ms. Allocated memory is still 1.0 GB. Free memory was 846.4 MB in the beginning and 786.1 MB in the end (delta: 60.3 MB). Peak memory consumption was 335.5 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 0.1.24-509859d [2019-11-27 16:25:23,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:25:23,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:25:23,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:25:23,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:25:23,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:25:23,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:25:23,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:25:23,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:25:23,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:25:23,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:25:23,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:25:23,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:25:23,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:25:23,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:25:23,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:25:23,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:25:23,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:25:23,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:25:23,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:25:23,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:25:23,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:25:23,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:25:23,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:25:23,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:25:23,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:25:23,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:25:23,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:25:23,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:25:23,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:25:23,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:25:23,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:25:23,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:25:23,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:25:23,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:25:23,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:25:23,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:25:23,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:25:23,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:25:23,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:25:23,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:25:23,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:25:23,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:25:23,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:25:23,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:25:23,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:25:23,329 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:25:23,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:25:23,330 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:25:23,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:25:23,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:25:23,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:25:23,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:25:23,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:25:23,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:25:23,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:25:23,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:25:23,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:25:23,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:25:23,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:25:23,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:25:23,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:25:23,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:25:23,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:25:23,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:25:23,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:25:23,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:25:23,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:25:23,343 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:25:23,344 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:25:23,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:25:23,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:25:23,348 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 -> 5896b493a194ebd884898cd6f8f73c85730ab78b [2019-11-27 16:25:23,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:25:23,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:25:23,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:25:23,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:25:23,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:25:24,000 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-27 16:25:24,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5972c7d4a/3f414f61bbbe411ca04a0c1234b153ed/FLAGc394033d1 [2019-11-27 16:25:25,673 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:25:25,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-11-27 16:25:25,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5972c7d4a/3f414f61bbbe411ca04a0c1234b153ed/FLAGc394033d1 [2019-11-27 16:25:25,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5972c7d4a/3f414f61bbbe411ca04a0c1234b153ed [2019-11-27 16:25:25,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:25:25,794 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:25:25,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:25:25,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:25:25,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:25:25,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:25:25" (1/1) ... [2019-11-27 16:25:25,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54771fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:25, skipping insertion in model container [2019-11-27 16:25:25,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:25:25" (1/1) ... [2019-11-27 16:25:25,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:25:25,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:25:27,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:25:27,871 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:25:28,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:25:28,656 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:25:28,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:28 WrapperNode [2019-11-27 16:25:28,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:25:28,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:25:28,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:25:28,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:25:28,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:28" (1/1) ... [2019-11-27 16:25:28,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:28" (1/1) ... [2019-11-27 16:25:31,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:25:31,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:25:31,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:25:31,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:25:31,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:28" (1/1) ... [2019-11-27 16:25:31,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:28" (1/1) ... [2019-11-27 16:25:32,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:28" (1/1) ... [2019-11-27 16:25:32,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:28" (1/1) ... [2019-11-27 16:25:34,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:28" (1/1) ... [2019-11-27 16:25:35,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:28" (1/1) ... [2019-11-27 16:25:35,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:25:28" (1/1) ... [2019-11-27 16:25:36,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:25:36,308 INFO L168 Benchmark]: Toolchain (without parser) took 10507.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 770.5 MB in the end (delta: 191.2 MB). Peak memory consumption was 430.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:36,308 INFO L168 Benchmark]: CDTParser took 2.61 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 16:25:36,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2864.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 904.5 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:36,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 2952.88 ms. Allocated memory is still 1.0 GB. Free memory was 904.5 MB in the beginning and 852.2 MB in the end (delta: 52.3 MB). Peak memory consumption was 282.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:36,320 INFO L168 Benchmark]: Boogie Preprocessor took 4681.69 ms. Allocated memory is still 1.0 GB. Free memory was 852.2 MB in the beginning and 770.5 MB in the end (delta: 81.8 MB). Peak memory consumption was 321.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:25:36,332 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.61 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 2864.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 904.5 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 2952.88 ms. Allocated memory is still 1.0 GB. Free memory was 904.5 MB in the beginning and 852.2 MB in the end (delta: 52.3 MB). Peak memory consumption was 282.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 4681.69 ms. Allocated memory is still 1.0 GB. Free memory was 852.2 MB in the beginning and 770.5 MB in the end (delta: 81.8 MB). Peak memory consumption was 321.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...