./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.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 4a233ca437d35b9528528eefc457b42f890d626c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.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 4a233ca437d35b9528528eefc457b42f890d626c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:28:09,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:28:09,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:28:09,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:28:09,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:28:09,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:28:09,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:28:09,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:28:09,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:28:09,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:28:09,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:28:09,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:28:09,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:28:09,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:28:09,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:28:09,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:28:09,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:28:09,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:28:09,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:28:09,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:28:09,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:28:09,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:28:09,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:28:09,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:28:09,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:28:09,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:28:09,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:28:09,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:28:09,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:28:09,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:28:09,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:28:09,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:28:09,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:28:09,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:28:09,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:28:09,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:28:09,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:28:09,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:28:09,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:28:09,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:28:09,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:28:09,617 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:28:09,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:28:09,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:28:09,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:28:09,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:28:09,662 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:28:09,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:28:09,664 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:28:09,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:28:09,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:28:09,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:28:09,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:28:09,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:28:09,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:28:09,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:28:09,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:28:09,670 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:28:09,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:28:09,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:28:09,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:28:09,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:28:09,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:28:09,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:28:09,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:28:09,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:28:09,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:28:09,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:28:09,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:28:09,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:28:09,677 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 -> 4a233ca437d35b9528528eefc457b42f890d626c [2019-11-26 17:28:10,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:28:10,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:28:10,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:28:10,313 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:28:10,315 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:28:10,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-26 17:28:10,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041403c17/25aec2c0b1e944b1b215deb3c4525ed0/FLAGc0f89f68e [2019-11-26 17:28:12,262 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:28:12,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-26 17:28:12,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041403c17/25aec2c0b1e944b1b215deb3c4525ed0/FLAGc0f89f68e [2019-11-26 17:28:12,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041403c17/25aec2c0b1e944b1b215deb3c4525ed0 [2019-11-26 17:28:12,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:28:12,417 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:28:12,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:12,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:28:12,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:28:12,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:12" (1/1) ... [2019-11-26 17:28:12,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c614111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:12, skipping insertion in model container [2019-11-26 17:28:12,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:12" (1/1) ... [2019-11-26 17:28:12,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:28:12,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:28:13,036 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __kernel_fd_set [2019-11-26 17:28:13,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50349532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:13, skipping insertion in model container [2019-11-26 17:28:13,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:13,042 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:28:13,047 INFO L168 Benchmark]: Toolchain (without parser) took 627.97 ms. Allocated memory is still 1.0 GB. Free memory was 950.2 MB in the beginning and 915.8 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:13,061 INFO L168 Benchmark]: CDTParser took 1.43 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. [2019-11-26 17:28:13,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.05 ms. Allocated memory is still 1.0 GB. Free memory was 950.2 MB in the beginning and 915.8 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:13,070 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 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 621.05 ms. Allocated memory is still 1.0 GB. Free memory was 950.2 MB in the beginning and 915.8 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 73]: Unsupported Syntax Undefined type __kernel_fd_set RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:28:16,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:28:16,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:28:16,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:28:16,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:28:16,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:28:16,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:28:17,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:28:17,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:28:17,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:28:17,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:28:17,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:28:17,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:28:17,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:28:17,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:28:17,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:28:17,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:28:17,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:28:17,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:28:17,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:28:17,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:28:17,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:28:17,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:28:17,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:28:17,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:28:17,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:28:17,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:28:17,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:28:17,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:28:17,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:28:17,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:28:17,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:28:17,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:28:17,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:28:17,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:28:17,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:28:17,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:28:17,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:28:17,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:28:17,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:28:17,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:28:17,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:28:17,157 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:28:17,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:28:17,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:28:17,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:28:17,163 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:28:17,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:28:17,164 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:28:17,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:28:17,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:28:17,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:28:17,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:28:17,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:28:17,169 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:28:17,169 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:28:17,170 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:28:17,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:28:17,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:28:17,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:28:17,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:28:17,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:28:17,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:28:17,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:28:17,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:28:17,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:28:17,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:28:17,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:28:17,177 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:28:17,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:28:17,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:28:17,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:28:17,180 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 -> 4a233ca437d35b9528528eefc457b42f890d626c [2019-11-26 17:28:17,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:28:17,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:28:17,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:28:17,789 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:28:17,793 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:28:17,795 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-26 17:28:17,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ba5d1bed/ebbfaab8797b4c509a6907a6d9eb5671/FLAGe434c423d [2019-11-26 17:28:19,668 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:28:19,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-26 17:28:19,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ba5d1bed/ebbfaab8797b4c509a6907a6d9eb5671/FLAGe434c423d [2019-11-26 17:28:20,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ba5d1bed/ebbfaab8797b4c509a6907a6d9eb5671 [2019-11-26 17:28:20,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:28:20,159 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:28:20,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:20,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:28:20,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:28:20,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:20" (1/1) ... [2019-11-26 17:28:20,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b405a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:20, skipping insertion in model container [2019-11-26 17:28:20,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:20" (1/1) ... [2019-11-26 17:28:20,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:28:20,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:28:20,865 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __kernel_fd_set [2019-11-26 17:28:20,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48ccbe0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:20, skipping insertion in model container [2019-11-26 17:28:20,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:20,870 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:28:20,880 INFO L168 Benchmark]: Toolchain (without parser) took 714.09 ms. Allocated memory is still 1.0 GB. Free memory was 948.8 MB in the beginning and 914.4 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:20,881 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. [2019-11-26 17:28:20,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.20 ms. Allocated memory is still 1.0 GB. Free memory was 948.8 MB in the beginning and 914.4 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:20,889 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 709.20 ms. Allocated memory is still 1.0 GB. Free memory was 948.8 MB in the beginning and 914.4 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 73]: Unsupported Syntax Undefined type __kernel_fd_set RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...