./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.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/seq-mthreaded/rekh_ctm.2-2.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 df33b5241fae607c80114f8dfced19a0dee3d4f3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_ctm.2-2.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 df33b5241fae607c80114f8dfced19a0dee3d4f3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:03:07,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:03:07,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:03:07,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:03:07,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:03:07,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:03:07,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:03:07,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:03:07,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:03:07,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:03:07,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:03:07,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:03:07,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:03:07,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:03:07,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:03:07,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:03:07,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:03:07,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:03:07,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:03:07,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:03:07,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:03:07,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:03:07,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:03:07,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:03:07,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:03:07,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:03:07,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:03:07,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:03:07,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:03:07,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:03:07,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:03:07,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:03:07,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:03:07,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:03:07,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:03:07,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:03:07,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:03:07,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:03:07,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:03:07,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:03:07,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:03:07,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:03:07,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:03:07,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:03:07,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:03:07,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:03:07,773 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:03:07,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:03:07,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:03:07,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:03:07,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:03:07,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:03:07,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:03:07,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:03:07,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:03:07,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:03:07,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:03:07,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:03:07,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:03:07,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:03:07,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:03:07,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:03:07,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:03:07,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:03:07,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:03:07,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:03:07,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:03:07,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:03:07,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:03:07,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:03:07,784 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 -> df33b5241fae607c80114f8dfced19a0dee3d4f3 [2019-11-27 10:03:08,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:03:08,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:03:08,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:03:08,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:03:08,286 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:03:08,287 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c [2019-11-27 10:03:08,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8a8fb3e/f6ef9553c0ca43c3a4f5495ba5508d78/FLAG9a50e135a [2019-11-27 10:03:09,432 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:03:09,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c [2019-11-27 10:03:09,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8a8fb3e/f6ef9553c0ca43c3a4f5495ba5508d78/FLAG9a50e135a [2019-11-27 10:03:09,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8a8fb3e/f6ef9553c0ca43c3a4f5495ba5508d78 [2019-11-27 10:03:09,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:03:09,945 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:03:09,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:03:09,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:03:09,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:03:09,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:03:09" (1/1) ... [2019-11-27 10:03:09,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de656e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:09, skipping insertion in model container [2019-11-27 10:03:09,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:03:09" (1/1) ... [2019-11-27 10:03:09,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:03:10,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:03:11,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:03:11,574 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:03:11,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:03:12,161 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:03:12,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:12 WrapperNode [2019-11-27 10:03:12,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:03:12,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:03:12,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:03:12,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:03:12,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:12" (1/1) ... [2019-11-27 10:03:12,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:12" (1/1) ... [2019-11-27 10:03:22,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:03:22,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:03:22,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:03:22,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:03:22,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:12" (1/1) ... [2019-11-27 10:03:22,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:12" (1/1) ... [2019-11-27 10:03:24,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:12" (1/1) ... [2019-11-27 10:03:24,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:12" (1/1) ... [2019-11-27 10:03:30,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:12" (1/1) ... [2019-11-27 10:03:33,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:12" (1/1) ... [2019-11-27 10:03:34,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:12" (1/1) ... [2019-11-27 10:03:35,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:03:35,617 INFO L168 Benchmark]: Toolchain (without parser) took 25653.50 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 731.5 MB). Free memory was 960.3 MB in the beginning and 504.3 MB in the end (delta: 455.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 12.5 GB. [2019-11-27 10:03:35,618 INFO L168 Benchmark]: CDTParser took 0.21 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 10:03:35,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2216.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 881.0 MB in the end (delta: 79.3 MB). Peak memory consumption was 79.4 MB. Max. memory is 12.5 GB. [2019-11-27 10:03:35,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 10040.50 ms. Allocated memory is still 1.0 GB. Free memory was 881.0 MB in the beginning and 232.9 MB in the end (delta: 648.0 MB). Peak memory consumption was 714.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:03:35,627 INFO L168 Benchmark]: Boogie Preprocessor took 13389.04 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 731.4 MB). Free memory was 232.9 MB in the beginning and 504.3 MB in the end (delta: -271.4 MB). Peak memory consumption was 588.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:03:35,634 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 2216.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 881.0 MB in the end (delta: 79.3 MB). Peak memory consumption was 79.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 10040.50 ms. Allocated memory is still 1.0 GB. Free memory was 881.0 MB in the beginning and 232.9 MB in the end (delta: 648.0 MB). Peak memory consumption was 714.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 13389.04 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 731.4 MB). Free memory was 232.9 MB in the beginning and 504.3 MB in the end (delta: -271.4 MB). Peak memory consumption was 588.1 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-da95e15 [2019-11-27 10:03:38,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:03:38,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:03:38,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:03:38,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:03:38,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:03:38,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:03:38,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:03:38,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:03:38,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:03:38,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:03:38,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:03:38,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:03:38,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:03:38,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:03:38,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:03:38,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:03:38,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:03:38,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:03:38,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:03:38,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:03:38,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:03:38,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:03:38,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:03:38,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:03:38,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:03:38,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:03:38,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:03:38,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:03:38,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:03:38,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:03:38,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:03:38,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:03:38,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:03:38,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:03:38,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:03:38,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:03:38,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:03:38,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:03:38,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:03:38,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:03:38,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:03:38,591 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:03:38,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:03:38,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:03:38,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:03:38,598 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:03:38,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:03:38,599 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:03:38,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:03:38,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:03:38,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:03:38,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:03:38,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:03:38,601 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:03:38,601 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:03:38,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:03:38,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:03:38,603 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:03:38,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:03:38,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:03:38,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:03:38,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:03:38,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:03:38,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:03:38,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:03:38,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:03:38,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:03:38,606 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:03:38,607 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:03:38,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:03:38,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:03:38,608 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 -> df33b5241fae607c80114f8dfced19a0dee3d4f3 [2019-11-27 10:03:39,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:03:39,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:03:39,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:03:39,137 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:03:39,138 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:03:39,139 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c [2019-11-27 10:03:39,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a73065912/c0c8730df26f44f890cb5020a1390e84/FLAG479418872 [2019-11-27 10:03:40,316 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:03:40,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-2.c [2019-11-27 10:03:40,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a73065912/c0c8730df26f44f890cb5020a1390e84/FLAG479418872 [2019-11-27 10:03:40,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a73065912/c0c8730df26f44f890cb5020a1390e84 [2019-11-27 10:03:40,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:03:40,827 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:03:40,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:03:40,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:03:40,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:03:40,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:03:40" (1/1) ... [2019-11-27 10:03:40,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59933dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:40, skipping insertion in model container [2019-11-27 10:03:40,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:03:40" (1/1) ... [2019-11-27 10:03:40,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:03:41,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:03:42,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:03:42,566 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:03:43,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:03:43,301 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:03:43,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:43 WrapperNode [2019-11-27 10:03:43,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:03:43,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:03:43,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:03:43,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:03:43,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:43" (1/1) ... [2019-11-27 10:03:43,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:43" (1/1) ... [2019-11-27 10:03:52,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:03:52,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:03:52,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:03:52,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:03:52,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:43" (1/1) ... [2019-11-27 10:03:52,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:43" (1/1) ... [2019-11-27 10:03:54,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:43" (1/1) ... [2019-11-27 10:03:54,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:43" (1/1) ... [2019-11-27 10:04:01,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:43" (1/1) ... [2019-11-27 10:04:03,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:43" (1/1) ... [2019-11-27 10:04:04,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:03:43" (1/1) ... [2019-11-27 10:04:05,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:04:05,561 INFO L168 Benchmark]: Toolchain (without parser) took 24725.24 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 714.9 MB). Free memory was 960.3 MB in the beginning and 482.6 MB in the end (delta: 477.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 12.5 GB. [2019-11-27 10:04:05,562 INFO L168 Benchmark]: CDTParser took 0.22 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 10:04:05,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2471.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 852.3 MB in the end (delta: 107.9 MB). Peak memory consumption was 108.0 MB. Max. memory is 12.5 GB. [2019-11-27 10:04:05,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 9248.45 ms. Allocated memory is still 1.0 GB. Free memory was 852.3 MB in the beginning and 345.1 MB in the end (delta: 507.3 MB). Peak memory consumption was 662.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:04:05,577 INFO L168 Benchmark]: Boogie Preprocessor took 12993.35 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 714.8 MB). Free memory was 345.1 MB in the beginning and 482.6 MB in the end (delta: -137.5 MB). Peak memory consumption was 684.2 MB. Max. memory is 12.5 GB. [2019-11-27 10:04:05,583 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2471.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 852.3 MB in the end (delta: 107.9 MB). Peak memory consumption was 108.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 9248.45 ms. Allocated memory is still 1.0 GB. Free memory was 852.3 MB in the beginning and 345.1 MB in the end (delta: 507.3 MB). Peak memory consumption was 662.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 12993.35 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 714.8 MB). Free memory was 345.1 MB in the beginning and 482.6 MB in the end (delta: -137.5 MB). Peak memory consumption was 684.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...