./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/qrcu-1.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-atomic/qrcu-1.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 46f179efc1f86f33188127c8c9e222a597376e16 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-atomic/qrcu-1.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 46f179efc1f86f33188127c8c9e222a597376e16 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:13:03,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:03,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:03,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:03,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:03,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:03,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:03,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:03,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:03,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:03,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:03,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:03,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:03,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:03,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:03,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:03,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:03,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:03,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:03,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:03,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:03,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:03,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:03,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:03,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:03,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:03,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:03,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:03,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:03,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:03,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:03,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:03,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:03,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:03,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:03,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:03,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:03,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:03,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:03,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:03,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:03,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:13:03,244 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:03,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:03,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:03,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:03,251 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:03,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:03,252 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:03,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:13:03,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:03,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:03,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:03,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:03,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:03,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:03,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:03,259 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:03,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:03,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:03,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:03,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:03,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:03,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:03,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:03,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:03,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:03,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:13:03,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:13:03,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:03,266 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 -> 46f179efc1f86f33188127c8c9e222a597376e16 [2019-11-25 23:13:03,847 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:03,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:03,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:03,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:03,894 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:03,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-25 23:13:04,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/277bd0503/1f2f62bf1ebb419180f4e0e25ea25802/FLAG5ae98f60a [2019-11-25 23:13:05,284 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:05,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-25 23:13:05,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/277bd0503/1f2f62bf1ebb419180f4e0e25ea25802/FLAG5ae98f60a [2019-11-25 23:13:05,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/277bd0503/1f2f62bf1ebb419180f4e0e25ea25802 [2019-11-25 23:13:05,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:05,374 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:05,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:05,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:05,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:05,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:05" (1/1) ... [2019-11-25 23:13:05,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:05, skipping insertion in model container [2019-11-25 23:13:05,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:05" (1/1) ... [2019-11-25 23:13:05,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:05,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:06,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:06,493 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:06,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:06,814 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:06,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:06 WrapperNode [2019-11-25 23:13:06,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:06,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:06,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:06,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:06,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:06" (1/1) ... [2019-11-25 23:13:06,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:06" (1/1) ... [2019-11-25 23:13:06,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:06,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:06,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:06,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:06,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:06" (1/1) ... [2019-11-25 23:13:06,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:06" (1/1) ... [2019-11-25 23:13:07,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:06" (1/1) ... [2019-11-25 23:13:07,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:06" (1/1) ... [2019-11-25 23:13:07,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:06" (1/1) ... [2019-11-25 23:13:07,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:06" (1/1) ... [2019-11-25 23:13:07,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:06" (1/1) ... [2019-11-25 23:13:07,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:07,090 INFO L168 Benchmark]: Toolchain (without parser) took 1701.69 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 961.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:07,091 INFO L168 Benchmark]: CDTParser took 1.38 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 23:13:07,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1440.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 961.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:07,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.22 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:07,100 INFO L168 Benchmark]: Boogie Preprocessor took 98.33 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:07,111 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38 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 1440.08 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 961.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 146.22 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 98.33 ms. Allocated memory is still 1.0 GB. Free memory is still 961.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:13:10,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:13:10,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:13:10,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:13:10,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:13:10,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:13:10,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:13:11,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:13:11,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:13:11,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:13:11,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:13:11,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:13:11,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:13:11,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:13:11,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:13:11,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:13:11,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:13:11,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:13:11,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:13:11,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:13:11,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:13:11,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:13:11,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:13:11,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:13:11,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:13:11,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:13:11,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:13:11,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:13:11,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:13:11,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:13:11,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:13:11,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:13:11,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:13:11,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:13:11,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:13:11,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:13:11,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:13:11,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:13:11,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:13:11,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:13:11,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:13:11,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:13:11,168 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:13:11,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:13:11,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:13:11,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:13:11,176 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:13:11,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:13:11,176 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:13:11,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:13:11,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:13:11,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:13:11,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:13:11,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:13:11,181 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:13:11,182 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:13:11,184 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:13:11,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:13:11,184 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:13:11,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:13:11,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:13:11,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:13:11,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:13:11,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:13:11,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:13:11,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:13:11,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:13:11,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:13:11,190 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:13:11,193 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:13:11,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:13:11,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:13:11,195 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 -> 46f179efc1f86f33188127c8c9e222a597376e16 [2019-11-25 23:13:11,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:13:11,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:13:11,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:13:11,783 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:13:11,783 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:13:11,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-25 23:13:11,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87a76ea3d/2b3e2169cead4b9886399c781d66ab7e/FLAG469e00144 [2019-11-25 23:13:13,148 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:13:13,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2019-11-25 23:13:13,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87a76ea3d/2b3e2169cead4b9886399c781d66ab7e/FLAG469e00144 [2019-11-25 23:13:13,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87a76ea3d/2b3e2169cead4b9886399c781d66ab7e [2019-11-25 23:13:13,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:13:13,657 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:13:13,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:13,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:13:13,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:13:13,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:13" (1/1) ... [2019-11-25 23:13:13,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7241e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:13, skipping insertion in model container [2019-11-25 23:13:13,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:13:13" (1/1) ... [2019-11-25 23:13:13,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:13:13,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:13:14,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:14,878 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 23:13:15,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 23:13:15,229 INFO L208 MainTranslator]: Completed translation [2019-11-25 23:13:15,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:15 WrapperNode [2019-11-25 23:13:15,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:13:15,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:15,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 23:13:15,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 23:13:15,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:15" (1/1) ... [2019-11-25 23:13:15,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:15" (1/1) ... [2019-11-25 23:13:15,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 23:13:15,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 23:13:15,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 23:13:15,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 23:13:15,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:15" (1/1) ... [2019-11-25 23:13:15,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:15" (1/1) ... [2019-11-25 23:13:15,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:15" (1/1) ... [2019-11-25 23:13:15,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:15" (1/1) ... [2019-11-25 23:13:15,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:15" (1/1) ... [2019-11-25 23:13:15,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:15" (1/1) ... [2019-11-25 23:13:15,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:13:15" (1/1) ... [2019-11-25 23:13:15,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 23:13:15,583 INFO L168 Benchmark]: Toolchain (without parser) took 1919.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 956.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.6 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:15,584 INFO L168 Benchmark]: CDTParser took 0.43 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 23:13:15,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1569.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 962.5 MB in the end (delta: -2.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 23:13:15,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 23:13:15,593 INFO L168 Benchmark]: Boogie Preprocessor took 148.68 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 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. [2019-11-25 23:13:15,602 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 1569.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 962.5 MB in the end (delta: -2.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 189.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 148.68 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...