./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i --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/pthread-nondet/nondet-loop-bound-variant-2.i -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 cce50a6947ffe100c432fe6ddda6fc9d14f55ea2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/pthread-nondet/nondet-loop-bound-variant-2.i -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 cce50a6947ffe100c432fe6ddda6fc9d14f55ea2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:18:13,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:18:13,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:18:13,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:18:13,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:18:13,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:18:13,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:18:13,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:18:13,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:18:13,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:18:13,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:18:13,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:18:13,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:18:13,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:18:13,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:18:13,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:18:13,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:18:13,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:18:13,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:18:13,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:18:13,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:18:13,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:18:13,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:18:13,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:18:13,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:18:13,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:18:13,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:18:13,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:18:13,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:18:13,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:18:13,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:18:13,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:18:13,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:18:13,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:18:13,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:18:13,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:18:13,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:18:13,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:18:13,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:18:13,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:18:13,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:18:13,845 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:18:13,883 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:18:13,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:18:13,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:18:13,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:18:13,891 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:18:13,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:18:13,892 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:18:13,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:18:13,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:18:13,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:18:13,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:18:13,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:18:13,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:18:13,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:18:13,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:18:13,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:18:13,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:18:13,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:18:13,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:18:13,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:18:13,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:18:13,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:18:13,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:18:13,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:18:13,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:18:13,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:18:13,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:18:13,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:18:13,909 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 -> cce50a6947ffe100c432fe6ddda6fc9d14f55ea2 [2019-11-27 10:18:14,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:18:14,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:18:14,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:18:14,645 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:18:14,649 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:18:14,651 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-27 10:18:14,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2f83e22/856581d69ed84d028eae4f7dea06c7d6/FLAG6ee7c5794 [2019-11-27 10:18:16,079 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:18:16,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-27 10:18:16,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2f83e22/856581d69ed84d028eae4f7dea06c7d6/FLAG6ee7c5794 [2019-11-27 10:18:16,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2f83e22/856581d69ed84d028eae4f7dea06c7d6 [2019-11-27 10:18:16,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:18:16,176 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:18:16,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:18:16,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:18:16,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:18:16,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:18:16" (1/1) ... [2019-11-27 10:18:16,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d6d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:16, skipping insertion in model container [2019-11-27 10:18:16,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:18:16" (1/1) ... [2019-11-27 10:18:16,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:18:16,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:18:17,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:18:17,403 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:18:17,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:18:17,733 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:18:17,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:17 WrapperNode [2019-11-27 10:18:17,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:18:17,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:18:17,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:18:17,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:18:17,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:17" (1/1) ... [2019-11-27 10:18:17,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:17" (1/1) ... [2019-11-27 10:18:17,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:18:17,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:18:17,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:18:17,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:18:17,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:17" (1/1) ... [2019-11-27 10:18:17,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:17" (1/1) ... [2019-11-27 10:18:17,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:17" (1/1) ... [2019-11-27 10:18:17,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:17" (1/1) ... [2019-11-27 10:18:17,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:17" (1/1) ... [2019-11-27 10:18:17,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:17" (1/1) ... [2019-11-27 10:18:17,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:17" (1/1) ... [2019-11-27 10:18:17,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:18:17,970 INFO L168 Benchmark]: Toolchain (without parser) took 1776.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.7 MB in the end (delta: 711.5 kB). Peak memory consumption was 777.0 kB. Max. memory is 12.5 GB. [2019-11-27 10:18:17,972 INFO L168 Benchmark]: CDTParser took 0.42 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 10:18:17,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1555.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:18:17,980 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.76 ms. Allocated memory is still 1.0 GB. Free memory is still 972.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:18:17,984 INFO L168 Benchmark]: Boogie Preprocessor took 74.27 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:18:17,997 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1555.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 137.76 ms. Allocated memory is still 1.0 GB. Free memory is still 972.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 74.27 ms. Allocated memory is still 1.0 GB. Free memory was 972.4 MB in the beginning and 966.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 10:18:21,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:18:21,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:18:21,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:18:21,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:18:21,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:18:21,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:18:21,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:18:21,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:18:21,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:18:21,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:18:21,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:18:21,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:18:21,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:18:21,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:18:21,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:18:21,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:18:21,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:18:21,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:18:21,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:18:22,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:18:22,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:18:22,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:18:22,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:18:22,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:18:22,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:18:22,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:18:22,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:18:22,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:18:22,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:18:22,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:18:22,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:18:22,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:18:22,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:18:22,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:18:22,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:18:22,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:18:22,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:18:22,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:18:22,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:18:22,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:18:22,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:18:22,112 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:18:22,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:18:22,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:18:22,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:18:22,122 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:18:22,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:18:22,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:18:22,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:18:22,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:18:22,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:18:22,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:18:22,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:18:22,130 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:18:22,131 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:18:22,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:18:22,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:18:22,133 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:18:22,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:18:22,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:18:22,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:18:22,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:18:22,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:18:22,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:18:22,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:18:22,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:18:22,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:18:22,140 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:18:22,140 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:18:22,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:18:22,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:18:22,145 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 -> cce50a6947ffe100c432fe6ddda6fc9d14f55ea2 [2019-11-27 10:18:22,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:18:22,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:18:22,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:18:22,756 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:18:22,759 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:18:22,761 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-27 10:18:22,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549a34e88/ff810912477f444b858347e4956aa299/FLAG6de36e890 [2019-11-27 10:18:24,185 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:18:24,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-27 10:18:24,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549a34e88/ff810912477f444b858347e4956aa299/FLAG6de36e890 [2019-11-27 10:18:24,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549a34e88/ff810912477f444b858347e4956aa299 [2019-11-27 10:18:24,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:18:24,278 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:18:24,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:18:24,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:18:24,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:18:24,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:18:24" (1/1) ... [2019-11-27 10:18:24,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b512bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:24, skipping insertion in model container [2019-11-27 10:18:24,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:18:24" (1/1) ... [2019-11-27 10:18:24,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:18:24,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:18:25,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:18:25,491 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 10:18:25,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 10:18:25,837 INFO L208 MainTranslator]: Completed translation [2019-11-27 10:18:25,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:25 WrapperNode [2019-11-27 10:18:25,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:18:25,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 10:18:25,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 10:18:25,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 10:18:25,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:25" (1/1) ... [2019-11-27 10:18:25,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:25" (1/1) ... [2019-11-27 10:18:25,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 10:18:25,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 10:18:25,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 10:18:25,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 10:18:26,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:25" (1/1) ... [2019-11-27 10:18:26,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:25" (1/1) ... [2019-11-27 10:18:26,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:25" (1/1) ... [2019-11-27 10:18:26,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:25" (1/1) ... [2019-11-27 10:18:26,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:25" (1/1) ... [2019-11-27 10:18:26,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:25" (1/1) ... [2019-11-27 10:18:26,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:18:25" (1/1) ... [2019-11-27 10:18:26,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 10:18:26,077 INFO L168 Benchmark]: Toolchain (without parser) took 1794.17 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 956.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:18:26,088 INFO L168 Benchmark]: CDTParser took 0.37 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 10:18:26,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1554.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 962.4 MB in the end (delta: -726.9 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 10:18:26,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.36 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 956.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 10:18:26,099 INFO L168 Benchmark]: Boogie Preprocessor took 87.81 ms. Allocated memory is still 1.0 GB. Free memory is still 956.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:18:26,114 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1554.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 962.4 MB in the end (delta: -726.9 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.36 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 956.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 87.81 ms. Allocated memory is still 1.0 GB. Free memory is still 956.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...