./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_nvram_unlocked_ioctl_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 3be8737422649a962e56b08bad0231d16298e713 ................................................................................................................................ 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_nvram_unlocked_ioctl_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 3be8737422649a962e56b08bad0231d16298e713 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 00:37:12,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:37:12,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:37:12,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:37:12,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:37:12,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:37:12,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:37:12,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:37:12,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:37:12,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:37:12,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:37:12,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:37:12,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:37:12,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:37:12,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:37:12,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:37:12,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:37:12,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:37:12,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:37:12,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:37:12,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:37:12,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:37:12,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:37:12,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:37:12,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:37:12,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:37:12,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:37:12,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:37:12,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:37:12,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:37:12,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:37:12,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:37:12,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:37:12,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:37:12,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:37:12,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:37:12,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:37:12,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:37:12,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:37:12,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:37:12,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:37:12,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 00:37:12,609 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:37:12,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:37:12,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:37:12,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:37:12,615 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:37:12,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:37:12,615 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:37:12,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 00:37:12,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:37:12,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:37:12,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:37:12,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:37:12,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:37:12,618 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:37:12,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:37:12,619 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:37:12,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:37:12,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:37:12,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:37:12,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:37:12,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:37:12,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:37:12,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:37:12,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:37:12,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:37:12,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 00:37:12,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 00:37:12,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:37:12,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:37:12,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-10-26 00:37:13,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:37:13,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:37:13,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:37:13,056 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:37:13,061 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:37:13,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-10-26 00:37:13,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19674e14c/41bff63154834a8297b78eb5c18acbb3/FLAG1157535ca [2020-10-26 00:37:14,275 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:37:14,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-10-26 00:37:14,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19674e14c/41bff63154834a8297b78eb5c18acbb3/FLAG1157535ca [2020-10-26 00:37:14,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19674e14c/41bff63154834a8297b78eb5c18acbb3 [2020-10-26 00:37:14,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:37:14,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:37:14,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:37:14,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:37:14,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:37:14,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:37:14" (1/1) ... [2020-10-26 00:37:14,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29058e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:37:14, skipping insertion in model container [2020-10-26 00:37:14,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:37:14" (1/1) ... [2020-10-26 00:37:14,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:37:14,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:37:18,597 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-26 00:37:18,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45d2c653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:37:18, skipping insertion in model container [2020-10-26 00:37:18,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:37:18,599 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 00:37:18,602 INFO L168 Benchmark]: Toolchain (without parser) took 3888.34 ms. Allocated memory was 44.0 MB in the beginning and 58.7 MB in the end (delta: 14.7 MB). Free memory was 25.7 MB in the beginning and 21.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:18,603 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 35.7 MB. Free memory is still 16.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:37:18,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3878.25 ms. Allocated memory was 44.0 MB in the beginning and 58.7 MB in the end (delta: 14.7 MB). Free memory was 25.2 MB in the beginning and 21.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:18,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 35.7 MB. Free memory is still 16.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3878.25 ms. Allocated memory was 44.0 MB in the beginning and 58.7 MB in the end (delta: 14.7 MB). Free memory was 25.2 MB in the beginning and 21.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 22.2 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 0.2.0-5485861 [2020-10-26 00:37:21,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:37:21,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:37:21,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:37:21,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:37:21,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:37:21,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:37:21,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:37:21,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:37:21,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:37:21,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:37:21,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:37:21,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:37:21,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:37:21,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:37:21,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:37:21,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:37:21,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:37:21,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:37:21,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:37:21,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:37:21,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:37:21,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:37:21,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:37:21,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:37:21,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:37:21,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:37:21,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:37:21,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:37:21,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:37:21,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:37:21,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:37:21,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:37:21,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:37:21,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:37:21,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:37:21,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:37:21,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:37:21,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:37:21,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:37:21,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:37:21,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-26 00:37:21,174 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:37:21,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:37:21,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:37:21,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:37:21,177 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:37:21,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:37:21,178 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:37:21,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:37:21,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:37:21,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:37:21,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:37:21,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:37:21,180 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 00:37:21,180 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 00:37:21,181 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:37:21,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:37:21,181 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:37:21,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:37:21,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:37:21,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:37:21,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:37:21,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:37:21,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:37:21,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:37:21,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:37:21,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:37:21,184 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 00:37:21,185 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 00:37:21,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:37:21,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:37:21,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 00:37:21,186 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-10-26 00:37:21,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:37:21,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:37:21,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:37:21,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:37:21,633 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:37:21,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-10-26 00:37:21,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cd930d9/557b67e7acb341fbaa3655bbf9bca89e/FLAG696184a95 [2020-10-26 00:37:22,893 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:37:22,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-10-26 00:37:22,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cd930d9/557b67e7acb341fbaa3655bbf9bca89e/FLAG696184a95 [2020-10-26 00:37:23,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5cd930d9/557b67e7acb341fbaa3655bbf9bca89e [2020-10-26 00:37:23,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:37:23,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:37:23,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:37:23,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:37:23,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:37:23,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:37:23" (1/1) ... [2020-10-26 00:37:23,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4852b168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:37:23, skipping insertion in model container [2020-10-26 00:37:23,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:37:23" (1/1) ... [2020-10-26 00:37:23,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:37:23,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:37:27,444 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-26 00:37:27,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b1fe371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:37:27, skipping insertion in model container [2020-10-26 00:37:27,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:37:27,446 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 00:37:27,450 INFO L168 Benchmark]: Toolchain (without parser) took 4189.91 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 38.8 MB in the beginning and 38.6 MB in the end (delta: 257.4 kB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:27,451 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 39.8 MB. Free memory was 20.4 MB in the beginning and 20.4 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:37:27,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4180.83 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 38.2 MB in the beginning and 38.6 MB in the end (delta: -342.7 kB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:27,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 39.8 MB. Free memory was 20.4 MB in the beginning and 20.4 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4180.83 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 38.2 MB in the beginning and 38.6 MB in the end (delta: -342.7 kB). Peak memory consumption was 25.9 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...