./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 65d6cd23 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 0.1.24-65d6cd2 [2019-11-25 23:23:09,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:23:09,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:23:09,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:23:09,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:23:09,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:23:09,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:23:09,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:23:09,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:23:09,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:23:09,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:23:09,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:23:09,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:23:09,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:23:09,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:23:09,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:23:09,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:23:09,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:23:09,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:23:09,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:23:09,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:23:09,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:23:09,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:23:09,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:23:10,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:23:10,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:23:10,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:23:10,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:23:10,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:23:10,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:23:10,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:23:10,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:23:10,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:23:10,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:23:10,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:23:10,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:23:10,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:23:10,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:23:10,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:23:10,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:23:10,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:23:10,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:23:10,104 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:23:10,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:23:10,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:23:10,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:23:10,113 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:23:10,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:23:10,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:23:10,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:23:10,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:23:10,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:23:10,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:23:10,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:23:10,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:23:10,119 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:23:10,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:23:10,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:23:10,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:23:10,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:23:10,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:23:10,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:23:10,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:23:10,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:23:10,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:23:10,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:23:10,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:23:10,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:23:10,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:23:10,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:23:10,128 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 [2019-11-25 23:23:10,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:23:10,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:23:10,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:23:10,742 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:23:10,743 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:23:10,744 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-25 23:23:10,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113d655df/2732900b499c4386839389a26dd37179/FLAG72e568679 [2019-11-25 23:23:12,147 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:23:12,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-25 23:23:12,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113d655df/2732900b499c4386839389a26dd37179/FLAG72e568679 [2019-11-25 23:23:12,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113d655df/2732900b499c4386839389a26dd37179 [2019-11-25 23:23:12,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:23:12,242 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:23:12,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:23:12,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:23:12,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:23:12,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:12" (1/1) ... [2019-11-25 23:23:12,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe9d5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:12, skipping insertion in model container [2019-11-25 23:23:12,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:12" (1/1) ... [2019-11-25 23:23:12,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:23:12,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:23:13,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:23:13,348 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:23:13,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:23:13,663 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:23:13,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:13 WrapperNode [2019-11-25 23:23:13,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:23:13,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:23:13,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:23:13,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:23:13,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:13" (1/1) ... [2019-11-25 23:23:13,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:13" (1/1) ... [2019-11-25 23:23:13,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:23:13,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:23:13,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:23:13,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:23:13,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:13" (1/1) ... [2019-11-25 23:23:13,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:13" (1/1) ... [2019-11-25 23:23:13,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:13" (1/1) ... [2019-11-25 23:23:13,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:13" (1/1) ... [2019-11-25 23:23:13,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:13" (1/1) ... [2019-11-25 23:23:13,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:13" (1/1) ... [2019-11-25 23:23:13,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:13" (1/1) ... [2019-11-25 23:23:13,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:23:13,879 INFO L168 Benchmark]: Toolchain (without parser) took 1618.89 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 960.9 MB in the end (delta: 745.1 kB). Peak memory consumption was 810.6 kB. Max. memory is 12.5 GB. [2019-11-25 23:23:13,882 INFO L168 Benchmark]: CDTParser took 1.46 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. [2019-11-25 23:23:13,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1419.55 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 966.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:23:13,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.47 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:23:13,893 INFO L168 Benchmark]: Boogie Preprocessor took 68.22 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:23:13,903 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46 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 1419.55 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 966.7 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 121.47 ms. Allocated memory is still 1.0 GB. Free memory is still 966.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.22 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:23:17,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:23:17,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:23:17,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:23:17,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:23:18,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:23:18,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:23:18,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:23:18,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:23:18,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:23:18,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:23:18,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:23:18,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:23:18,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:23:18,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:23:18,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:23:18,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:23:18,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:23:18,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:23:18,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:23:18,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:23:18,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:23:18,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:23:18,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:23:18,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:23:18,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:23:18,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:23:18,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:23:18,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:23:18,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:23:18,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:23:18,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:23:18,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:23:18,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:23:18,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:23:18,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:23:18,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:23:18,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:23:18,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:23:18,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:23:18,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:23:18,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:23:18,183 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:23:18,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:23:18,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:23:18,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:23:18,190 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:23:18,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:23:18,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:23:18,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:23:18,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:23:18,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:23:18,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:23:18,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:23:18,198 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:23:18,199 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:23:18,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:23:18,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:23:18,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:23:18,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:23:18,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:23:18,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:23:18,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:23:18,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:23:18,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:23:18,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:23:18,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:23:18,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:23:18,206 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:23:18,206 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:23:18,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:23:18,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:23:18,209 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 [2019-11-25 23:23:18,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:23:18,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:23:18,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:23:18,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:23:18,847 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:23:18,850 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-25 23:23:19,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15455cbdc/57e8ae7c9aac42f88295e3e5ab8a93da/FLAGcf9a48f56 [2019-11-25 23:23:20,195 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:23:20,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-25 23:23:20,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15455cbdc/57e8ae7c9aac42f88295e3e5ab8a93da/FLAGcf9a48f56 [2019-11-25 23:23:20,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15455cbdc/57e8ae7c9aac42f88295e3e5ab8a93da [2019-11-25 23:23:20,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:23:20,300 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:23:20,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:23:20,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:23:20,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:23:20,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:20" (1/1) ... [2019-11-25 23:23:20,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50044e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:20, skipping insertion in model container [2019-11-25 23:23:20,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:20" (1/1) ... [2019-11-25 23:23:20,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:23:20,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:23:21,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:23:21,485 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:23:21,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:23:21,818 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:23:21,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:21 WrapperNode [2019-11-25 23:23:21,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:23:21,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:23:21,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:23:21,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:23:21,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:21" (1/1) ... [2019-11-25 23:23:21,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:21" (1/1) ... [2019-11-25 23:23:21,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:23:21,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:23:21,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:23:21,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:23:21,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:21" (1/1) ... [2019-11-25 23:23:21,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:21" (1/1) ... [2019-11-25 23:23:21,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:21" (1/1) ... [2019-11-25 23:23:21,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:21" (1/1) ... [2019-11-25 23:23:22,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:21" (1/1) ... [2019-11-25 23:23:22,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:21" (1/1) ... [2019-11-25 23:23:22,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:21" (1/1) ... [2019-11-25 23:23:22,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:23:22,045 INFO L168 Benchmark]: Toolchain (without parser) took 1742.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 960.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:23:22,059 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. [2019-11-25 23:23:22,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1519.09 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: 743.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:23:22,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.06 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 23:23:22,069 INFO L168 Benchmark]: Boogie Preprocessor took 85.52 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:23:22,082 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 1519.09 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: 743.0 kB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 129.06 ms. Allocated memory is still 1.0 GB. Free memory was 966.7 MB in the beginning and 960.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.52 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 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...