./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.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 be2240eb3cd0a20290532a3c5cf749286c3ac30f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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.3.M1.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 be2240eb3cd0a20290532a3c5cf749286c3ac30f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:15:40,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:15:40,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:15:40,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:15:40,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:15:40,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:15:40,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:15:40,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:15:40,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:15:40,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:15:40,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:15:40,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:15:40,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:15:40,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:15:40,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:15:40,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:15:40,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:15:40,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:15:40,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:15:40,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:15:40,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:15:40,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:15:40,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:15:40,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:15:40,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:15:40,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:15:40,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:15:40,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:15:40,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:15:40,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:15:40,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:15:40,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:15:40,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:15:40,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:15:40,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:15:40,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:15:40,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:15:40,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:15:40,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:15:40,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:15:40,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:15:40,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:15:40,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:15:40,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:15:40,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:15:40,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:15:40,938 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:15:40,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:15:40,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:15:40,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:15:40,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:15:40,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:15:40,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:15:40,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:15:40,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:15:40,946 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:15:40,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:15:40,947 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:15:40,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:15:40,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:15:40,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:15:40,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:15:40,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:15:40,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:15:40,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:15:40,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:15:40,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:15:40,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:15:40,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:15:40,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:15:40,955 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 -> be2240eb3cd0a20290532a3c5cf749286c3ac30f [2019-11-26 17:15:41,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:15:41,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:15:41,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:15:41,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:15:41,782 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:15:41,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2019-11-26 17:15:41,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf0e6d83/afe735ca26b44c5bb4840d3c498678a1/FLAGb7a2e3b2e [2019-11-26 17:15:43,550 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:15:43,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2019-11-26 17:15:43,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf0e6d83/afe735ca26b44c5bb4840d3c498678a1/FLAGb7a2e3b2e [2019-11-26 17:15:43,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf0e6d83/afe735ca26b44c5bb4840d3c498678a1 [2019-11-26 17:15:43,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:15:43,667 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:15:43,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:15:43,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:15:43,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:15:43,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:43" (1/1) ... [2019-11-26 17:15:43,698 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 26.11 05:15:43, skipping insertion in model container [2019-11-26 17:15:43,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:15:43" (1/1) ... [2019-11-26 17:15:43,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:15:43,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:15:45,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:15:45,767 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:15:46,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:15:46,442 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:15:46,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:46 WrapperNode [2019-11-26 17:15:46,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:15:46,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:15:46,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:15:46,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:15:46,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:46" (1/1) ... [2019-11-26 17:15:46,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:46" (1/1) ... [2019-11-26 17:15:50,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:15:50,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:15:50,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:15:50,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:15:50,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:46" (1/1) ... [2019-11-26 17:15:50,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:46" (1/1) ... [2019-11-26 17:15:51,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:46" (1/1) ... [2019-11-26 17:15:51,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:46" (1/1) ... [2019-11-26 17:15:54,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:46" (1/1) ... [2019-11-26 17:15:55,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:46" (1/1) ... [2019-11-26 17:15:56,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:15:46" (1/1) ... [2019-11-26 17:15:57,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:15:57,140 INFO L168 Benchmark]: Toolchain (without parser) took 13468.11 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 565.7 MB in the end (delta: 390.2 MB). Peak memory consumption was 447.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:57,144 INFO L168 Benchmark]: CDTParser took 3.13 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:15:57,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2776.24 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 915.8 MB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:57,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 4106.13 ms. Allocated memory is still 1.0 GB. Free memory was 915.8 MB in the beginning and 740.5 MB in the end (delta: 175.3 MB). Peak memory consumption was 308.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:57,155 INFO L168 Benchmark]: Boogie Preprocessor took 6572.55 ms. Allocated memory is still 1.0 GB. Free memory was 740.5 MB in the beginning and 565.7 MB in the end (delta: 174.8 MB). Peak memory consumption was 231.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:15:57,166 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.13 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 2776.24 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 915.8 MB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 4106.13 ms. Allocated memory is still 1.0 GB. Free memory was 915.8 MB in the beginning and 740.5 MB in the end (delta: 175.3 MB). Peak memory consumption was 308.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 6572.55 ms. Allocated memory is still 1.0 GB. Free memory was 740.5 MB in the beginning and 565.7 MB in the end (delta: 174.8 MB). Peak memory consumption was 231.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:16:01,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:16:01,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:16:01,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:16:01,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:16:01,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:16:01,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:16:01,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:16:01,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:16:01,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:16:01,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:16:01,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:16:01,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:16:01,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:16:01,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:16:01,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:16:01,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:16:01,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:16:01,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:16:01,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:16:01,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:16:01,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:16:01,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:16:01,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:16:01,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:16:01,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:16:01,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:16:01,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:16:01,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:16:01,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:16:01,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:16:01,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:16:01,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:16:01,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:16:01,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:16:01,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:16:01,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:16:01,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:16:01,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:16:01,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:16:01,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:16:01,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:16:01,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:16:01,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:16:01,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:16:01,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:16:01,348 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:16:01,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:16:01,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:16:01,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:16:01,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:16:01,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:16:01,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:16:01,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:16:01,351 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:16:01,352 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:16:01,354 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:16:01,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:16:01,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:16:01,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:16:01,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:16:01,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:16:01,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:16:01,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:16:01,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:16:01,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:16:01,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:16:01,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:16:01,360 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:16:01,361 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:16:01,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:16:01,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:16:01,363 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 -> be2240eb3cd0a20290532a3c5cf749286c3ac30f [2019-11-26 17:16:01,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:16:01,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:16:01,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:16:01,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:16:01,976 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:16:01,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2019-11-26 17:16:02,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41c5f8a2/870ef891c9204c12aa1b57501e8f6df4/FLAGb4cf85ad1 [2019-11-26 17:16:03,576 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:16:03,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2019-11-26 17:16:03,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41c5f8a2/870ef891c9204c12aa1b57501e8f6df4/FLAGb4cf85ad1 [2019-11-26 17:16:03,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41c5f8a2/870ef891c9204c12aa1b57501e8f6df4 [2019-11-26 17:16:03,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:16:03,844 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:16:03,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:16:03,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:16:03,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:16:03,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:16:03" (1/1) ... [2019-11-26 17:16:03,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5577c5e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:03, skipping insertion in model container [2019-11-26 17:16:03,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:16:03" (1/1) ... [2019-11-26 17:16:03,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:16:04,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:16:05,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:16:05,955 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:16:06,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:16:06,780 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:16:06,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:06 WrapperNode [2019-11-26 17:16:06,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:16:06,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:16:06,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:16:06,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:16:06,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:06" (1/1) ... [2019-11-26 17:16:06,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:06" (1/1) ... [2019-11-26 17:16:10,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:16:10,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:16:10,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:16:10,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:16:10,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:06" (1/1) ... [2019-11-26 17:16:10,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:06" (1/1) ... [2019-11-26 17:16:11,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:06" (1/1) ... [2019-11-26 17:16:11,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:06" (1/1) ... [2019-11-26 17:16:14,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:06" (1/1) ... [2019-11-26 17:16:15,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:06" (1/1) ... [2019-11-26 17:16:15,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:16:06" (1/1) ... [2019-11-26 17:16:16,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:16:16,445 INFO L168 Benchmark]: Toolchain (without parser) took 12595.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 537.4 MB in the end (delta: 418.6 MB). Peak memory consumption was 433.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:16,446 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:16:16,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2933.20 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 892.9 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:16,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 3693.80 ms. Allocated memory is still 1.0 GB. Free memory was 892.9 MB in the beginning and 756.2 MB in the end (delta: 136.8 MB). Peak memory consumption was 269.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:16,457 INFO L168 Benchmark]: Boogie Preprocessor took 5959.54 ms. Allocated memory is still 1.0 GB. Free memory was 756.2 MB in the beginning and 537.4 MB in the end (delta: 218.8 MB). Peak memory consumption was 233.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:16:16,464 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 2933.20 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 892.9 MB in the end (delta: 63.0 MB). Peak memory consumption was 63.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 3693.80 ms. Allocated memory is still 1.0 GB. Free memory was 892.9 MB in the beginning and 756.2 MB in the end (delta: 136.8 MB). Peak memory consumption was 269.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 5959.54 ms. Allocated memory is still 1.0 GB. Free memory was 756.2 MB in the beginning and 537.4 MB in the end (delta: 218.8 MB). Peak memory consumption was 233.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...