./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 96f16385 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_write_nvram.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 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 ................................................................................................................................. 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_write_nvram.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 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-96f1638 [2020-12-02 12:16:21,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 12:16:21,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 12:16:21,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 12:16:21,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 12:16:21,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 12:16:21,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 12:16:21,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 12:16:21,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 12:16:21,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 12:16:21,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 12:16:21,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 12:16:21,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 12:16:21,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 12:16:21,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 12:16:21,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 12:16:21,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 12:16:21,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 12:16:21,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 12:16:21,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 12:16:21,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 12:16:21,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 12:16:21,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 12:16:21,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 12:16:21,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 12:16:21,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 12:16:21,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 12:16:21,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 12:16:21,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 12:16:21,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 12:16:21,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 12:16:21,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 12:16:21,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 12:16:21,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 12:16:21,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 12:16:21,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 12:16:21,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 12:16:21,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 12:16:21,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 12:16:21,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 12:16:21,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 12:16:21,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 12:16:21,587 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 12:16:21,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 12:16:21,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 12:16:21,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 12:16:21,591 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 12:16:21,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 12:16:21,592 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 12:16:21,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 12:16:21,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 12:16:21,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 12:16:21,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 12:16:21,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 12:16:21,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 12:16:21,595 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 12:16:21,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 12:16:21,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 12:16:21,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 12:16:21,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 12:16:21,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 12:16:21,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 12:16:21,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 12:16:21,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 12:16:21,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 12:16:21,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 12:16:21,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 12:16:21,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 12:16:21,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 12:16:21,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 12:16:21,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 12:16:21,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-12-02 12:16:22,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 12:16:22,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 12:16:22,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 12:16:22,099 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 12:16:22,101 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 12:16:22,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-12-02 12:16:22,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b031bd4cd/774e8e6dd2a64527970c93531af7a615/FLAGe488ac0a6 [2020-12-02 12:16:23,362 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 12:16:23,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-12-02 12:16:23,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b031bd4cd/774e8e6dd2a64527970c93531af7a615/FLAGe488ac0a6 [2020-12-02 12:16:23,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b031bd4cd/774e8e6dd2a64527970c93531af7a615 [2020-12-02 12:16:23,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 12:16:23,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 12:16:23,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:23,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 12:16:23,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 12:16:23,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:23" (1/1) ... [2020-12-02 12:16:23,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5508c458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:23, skipping insertion in model container [2020-12-02 12:16:23,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:23" (1/1) ... [2020-12-02 12:16:23,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 12:16:23,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 12:16:24,376 WARN L226 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_write_nvram.i[5469,5482] [2020-12-02 12:16:27,663 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-02 12:16:27,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@649889d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:27, skipping insertion in model container [2020-12-02 12:16:27,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:27,664 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-02 12:16:27,667 INFO L168 Benchmark]: Toolchain (without parser) took 3914.68 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 25.5 MB in the beginning and 27.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:27,668 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 37.7 MB. Free memory was 22.4 MB in the beginning and 22.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 12:16:27,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3907.65 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 25.3 MB in the beginning and 27.5 MB in the end (delta: -2.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:27,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 37.7 MB. Free memory was 22.4 MB in the beginning and 22.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3907.65 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 25.3 MB in the beginning and 27.5 MB in the end (delta: -2.1 MB). Peak memory consumption was 20.1 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 0.2.0-96f1638 [2020-12-02 12:16:30,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 12:16:30,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 12:16:30,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 12:16:30,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 12:16:30,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 12:16:30,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 12:16:30,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 12:16:30,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 12:16:30,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 12:16:30,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 12:16:30,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 12:16:30,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 12:16:30,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 12:16:30,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 12:16:30,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 12:16:30,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 12:16:30,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 12:16:30,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 12:16:30,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 12:16:30,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 12:16:30,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 12:16:30,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 12:16:30,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 12:16:30,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 12:16:30,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 12:16:30,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 12:16:30,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 12:16:30,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 12:16:30,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 12:16:30,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 12:16:30,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 12:16:30,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 12:16:30,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 12:16:30,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 12:16:30,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 12:16:30,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 12:16:30,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 12:16:30,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 12:16:30,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 12:16:30,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 12:16:30,181 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 12:16:30,212 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 12:16:30,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 12:16:30,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 12:16:30,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 12:16:30,215 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 12:16:30,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 12:16:30,216 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 12:16:30,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 12:16:30,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 12:16:30,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 12:16:30,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 12:16:30,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 12:16:30,218 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 12:16:30,218 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 12:16:30,218 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 12:16:30,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 12:16:30,219 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 12:16:30,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 12:16:30,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 12:16:30,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 12:16:30,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 12:16:30,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 12:16:30,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 12:16:30,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 12:16:30,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 12:16:30,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 12:16:30,222 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 12:16:30,222 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 12:16:30,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 12:16:30,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 12:16:30,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 12:16:30,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-12-02 12:16:30,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 12:16:30,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 12:16:30,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 12:16:30,684 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 12:16:30,685 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 12:16:30,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-12-02 12:16:30,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f16adc23/52966d5c885e49d490b209d01890cb11/FLAGb58e6b4d6 [2020-12-02 12:16:31,938 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 12:16:31,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-12-02 12:16:32,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f16adc23/52966d5c885e49d490b209d01890cb11/FLAGb58e6b4d6 [2020-12-02 12:16:32,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f16adc23/52966d5c885e49d490b209d01890cb11 [2020-12-02 12:16:32,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 12:16:32,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 12:16:32,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:32,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 12:16:32,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 12:16:32,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:32" (1/1) ... [2020-12-02 12:16:32,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683649c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:32, skipping insertion in model container [2020-12-02 12:16:32,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:32" (1/1) ... [2020-12-02 12:16:32,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 12:16:32,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 12:16:32,950 WARN L226 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_write_nvram.i[5469,5482] [2020-12-02 12:16:36,099 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-02 12:16:36,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62559549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:36, skipping insertion in model container [2020-12-02 12:16:36,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:36,101 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-02 12:16:36,104 INFO L168 Benchmark]: Toolchain (without parser) took 3798.09 ms. Allocated memory was 39.8 MB in the beginning and 60.8 MB in the end (delta: 21.0 MB). Free memory was 17.3 MB in the beginning and 30.3 MB in the end (delta: -13.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:36,105 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 39.8 MB. Free memory is still 25.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 12:16:36,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3793.92 ms. Allocated memory was 39.8 MB in the beginning and 60.8 MB in the end (delta: 21.0 MB). Free memory was 17.2 MB in the beginning and 30.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:36,108 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 39.8 MB. Free memory is still 25.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3793.92 ms. Allocated memory was 39.8 MB in the beginning and 60.8 MB in the end (delta: 21.0 MB). Free memory was 17.2 MB in the beginning and 30.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 18.9 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...