./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 997cd7c3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8fab23d5cd00fa47cc475e98f18b62d09cf6afd .................................................................................................................................. 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-997cd7c-m [2021-09-22 14:56:02,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:56:02,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:56:02,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:56:02,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:56:02,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:56:02,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:56:02,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:56:02,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:56:02,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:56:02,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:56:02,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:56:02,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:56:02,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:56:02,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:56:02,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:56:02,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:56:02,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:56:02,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:56:02,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:56:02,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:56:02,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:56:02,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:56:02,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:56:02,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:56:02,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:56:02,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:56:02,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:56:02,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:56:02,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:56:02,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:56:02,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:56:02,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:56:02,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:56:02,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:56:02,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:56:02,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:56:02,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:56:02,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:56:02,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:56:02,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:56:02,337 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-09-22 14:56:02,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:56:02,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:56:02,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:56:02,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:56:02,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:56:02,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:56:02,377 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:56:02,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:56:02,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:56:02,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-22 14:56:02,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:56:02,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:56:02,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:56:02,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:56:02,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:56:02,379 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:56:02,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:56:02,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:56:02,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:56:02,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:56:02,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:56:02,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:56:02,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:56:02,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:56:02,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:56:02,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:56:02,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-22 14:56:02,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-22 14:56:02,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:56:02,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:56:02,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2021-09-22 14:56:02,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:56:02,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:56:02,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:56:02,701 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:56:02,702 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:56:02,703 INFO L432 ainManager$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 [2021-09-22 14:56:02,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77975a1c2/99d47942ef0045689d8129801f58858f/FLAGb204cc1fd [2021-09-22 14:56:03,477 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:56:03,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-09-22 14:56:03,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77975a1c2/99d47942ef0045689d8129801f58858f/FLAGb204cc1fd [2021-09-22 14:56:03,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77975a1c2/99d47942ef0045689d8129801f58858f [2021-09-22 14:56:03,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:56:03,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:56:03,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:03,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:56:03,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:56:03,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:56:03" (1/1) ... [2021-09-22 14:56:03,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc8219a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:56:03, skipping insertion in model container [2021-09-22 14:56:03,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:56:03" (1/1) ... [2021-09-22 14:56:03,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:56:03,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:56:04,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-09-22 14:56:06,398 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-09-22 14:56:06,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51cf5b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:56:06, skipping insertion in model container [2021-09-22 14:56:06,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:06,399 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-09-22 14:56:06,401 INFO L168 Benchmark]: Toolchain (without parser) took 2610.30 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 39.1 MB in the beginning and 56.3 MB in the end (delta: -17.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:06,402 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 67.1 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:56:06,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2605.03 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 39.0 MB in the beginning and 56.3 MB in the end (delta: -17.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:06,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 67.1 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2605.03 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 39.0 MB in the beginning and 56.3 MB in the end (delta: -17.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-997cd7c-m [2021-09-22 14:56:08,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:56:08,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:56:08,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:56:08,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:56:08,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:56:08,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:56:08,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:56:08,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:56:08,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:56:08,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:56:08,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:56:08,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:56:08,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:56:08,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:56:08,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:56:08,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:56:08,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:56:08,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:56:08,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:56:08,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:56:08,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:56:08,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:56:08,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:56:08,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:56:08,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:56:08,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:56:08,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:56:08,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:56:08,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:56:08,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:56:08,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:56:08,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:56:08,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:56:08,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:56:08,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:56:08,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:56:08,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:56:08,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:56:08,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:56:08,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:56:08,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-09-22 14:56:08,219 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:56:08,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:56:08,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:56:08,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:56:08,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:56:08,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:56:08,223 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:56:08,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:56:08,224 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:56:08,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:56:08,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:56:08,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:56:08,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:56:08,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:56:08,225 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-09-22 14:56:08,226 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-09-22 14:56:08,226 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:56:08,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:56:08,226 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:56:08,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:56:08,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:56:08,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:56:08,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:56:08,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:56:08,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:56:08,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:56:08,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:56:08,228 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-09-22 14:56:08,228 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-09-22 14:56:08,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:56:08,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:56:08,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-09-22 14:56:08,229 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2021-09-22 14:56:08,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:56:08,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:56:08,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:56:08,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:56:08,573 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:56:08,575 INFO L432 ainManager$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 [2021-09-22 14:56:08,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ab6e7bfb/de15661451074cb49054cfe2a1678209/FLAGa245d6c82 [2021-09-22 14:56:09,320 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:56:09,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-09-22 14:56:09,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ab6e7bfb/de15661451074cb49054cfe2a1678209/FLAGa245d6c82 [2021-09-22 14:56:09,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ab6e7bfb/de15661451074cb49054cfe2a1678209 [2021-09-22 14:56:09,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:56:09,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:56:09,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:09,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:56:09,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:56:09,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:56:09" (1/1) ... [2021-09-22 14:56:09,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da0861d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:56:09, skipping insertion in model container [2021-09-22 14:56:09,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:56:09" (1/1) ... [2021-09-22 14:56:09,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:56:09,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:56:09,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-09-22 14:56:11,886 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-09-22 14:56:11,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68b6f1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:56:11, skipping insertion in model container [2021-09-22 14:56:11,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:11,888 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-09-22 14:56:11,889 INFO L168 Benchmark]: Toolchain (without parser) took 2433.40 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 21.7 MB in the beginning and 31.0 MB in the end (delta: -9.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:11,890 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:56:11,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2431.54 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 21.6 MB in the beginning and 31.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:11,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2431.54 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 21.6 MB in the beginning and 31.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...