./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 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_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 0.2.1-dev-997cd7c-m [2021-09-22 14:56:06,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:56:06,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:56:06,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:56:06,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:56:06,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:56:06,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:56:06,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:56:06,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:56:06,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:56:06,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:56:06,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:56:06,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:56:06,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:56:06,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:56:06,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:56:06,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:56:06,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:56:06,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:56:06,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:56:06,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:56:06,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:56:06,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:56:06,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:56:06,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:56:06,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:56:06,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:56:06,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:56:06,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:56:06,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:56:06,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:56:06,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:56:06,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:56:06,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:56:06,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:56:06,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:56:06,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:56:06,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:56:06,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:56:06,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:56:06,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:56:06,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-09-22 14:56:06,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:56:06,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:56:06,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:56:06,298 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:56:06,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:56:06,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:56:06,300 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:56:06,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:56:06,300 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:56:06,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-22 14:56:06,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:56:06,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:56:06,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:56:06,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:56:06,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:56:06,302 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:56:06,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:56:06,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:56:06,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:56:06,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:56:06,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:56:06,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:56:06,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:56:06,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:56:06,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:56:06,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:56:06,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-22 14:56:06,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-22 14:56:06,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:56:06,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:56:06,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2021-09-22 14:56:06,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:56:06,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:56:06,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:56:06,584 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:56:06,585 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:56:06,586 INFO L432 ainManager$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 [2021-09-22 14:56:06,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1419bb8a1/6cfcbc59db6b42c1a5febbbc9c874418/FLAG045e3ad15 [2021-09-22 14:56:07,259 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:56:07,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-09-22 14:56:07,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1419bb8a1/6cfcbc59db6b42c1a5febbbc9c874418/FLAG045e3ad15 [2021-09-22 14:56:07,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1419bb8a1/6cfcbc59db6b42c1a5febbbc9c874418 [2021-09-22 14:56:07,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:56:07,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:56:07,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:07,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:56:07,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:56:07,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:56:07" (1/1) ... [2021-09-22 14:56:07,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3953b46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:56:07, skipping insertion in model container [2021-09-22 14:56:07,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:56:07" (1/1) ... [2021-09-22 14:56:07,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:56:07,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:56:07,989 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_write_nvram.i[5469,5482] [2021-09-22 14:56:09,530 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-09-22 14:56:09,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f6cfac3 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 14:56:09,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:09,532 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-09-22 14:56:09,534 INFO L168 Benchmark]: Toolchain (without parser) took 1869.40 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 26.5 MB in the beginning and 39.7 MB in the end (delta: -13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:09,535 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 41.1 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:56:09,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1867.82 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 26.4 MB in the beginning and 39.7 MB in the end (delta: -13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:09,538 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory was 41.1 MB in the beginning and 41.1 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1867.82 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 26.4 MB in the beginning and 39.7 MB in the end (delta: -13.4 MB). Peak memory consumption was 14.7 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 14:56:10,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:56:10,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:56:10,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:56:10,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:56:10,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:56:10,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:56:10,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:56:10,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:56:10,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:56:10,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:56:10,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:56:10,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:56:10,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:56:10,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:56:10,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:56:10,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:56:10,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:56:10,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:56:10,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:56:10,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:56:10,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:56:10,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:56:10,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:56:10,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:56:10,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:56:10,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:56:10,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:56:10,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:56:10,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:56:10,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:56:10,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:56:10,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:56:10,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:56:10,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:56:10,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:56:10,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:56:10,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:56:10,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:56:10,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:56:10,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:56:10,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-09-22 14:56:11,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:56:11,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:56:11,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:56:11,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:56:11,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:56:11,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:56:11,007 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:56:11,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:56:11,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:56:11,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:56:11,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:56:11,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:56:11,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:56:11,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:56:11,009 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-09-22 14:56:11,009 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-09-22 14:56:11,010 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:56:11,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:56:11,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:56:11,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:56:11,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:56:11,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:56:11,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:56:11,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:56:11,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:56:11,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:56:11,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:56:11,011 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-09-22 14:56:11,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-09-22 14:56:11,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:56:11,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:56:11,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-09-22 14:56:11,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2021-09-22 14:56:11,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:56:11,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:56:11,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:56:11,279 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:56:11,279 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:56:11,280 INFO L432 ainManager$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 [2021-09-22 14:56:11,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20e6ca3d7/a965f17fa9bf435eb7fa57810ecc23a3/FLAG01adbf93a [2021-09-22 14:56:11,938 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:56:11,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-09-22 14:56:11,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20e6ca3d7/a965f17fa9bf435eb7fa57810ecc23a3/FLAG01adbf93a [2021-09-22 14:56:12,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20e6ca3d7/a965f17fa9bf435eb7fa57810ecc23a3 [2021-09-22 14:56:12,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:56:12,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:56:12,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:12,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:56:12,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:56:12,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:56:12" (1/1) ... [2021-09-22 14:56:12,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae95532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:56:12, skipping insertion in model container [2021-09-22 14:56:12,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:56:12" (1/1) ... [2021-09-22 14:56:12,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:56:12,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:56:12,486 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_write_nvram.i[5469,5482] [2021-09-22 14:56:14,080 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-09-22 14:56:14,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65d87b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:56:14, skipping insertion in model container [2021-09-22 14:56:14,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:14,082 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-09-22 14:56:14,084 INFO L168 Benchmark]: Toolchain (without parser) took 1959.57 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 26.8 MB in the beginning and 37.6 MB in the end (delta: -10.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:14,086 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory was 41.2 MB in the beginning and 41.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:56:14,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1956.92 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 26.7 MB in the beginning and 37.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:14,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory was 41.2 MB in the beginning and 41.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1956.92 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 26.7 MB in the beginning and 37.6 MB in the end (delta: -10.9 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...