./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_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_llseek_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 31a0eb1c375123465029054813704556a808514c ................................................................................................................................ 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_llseek_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 31a0eb1c375123465029054813704556a808514c .................................................................................................................................. 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 00:36:56,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:36:56,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:36:56,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:36:56,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:36:56,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:36:56,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:36:56,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:36:56,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:36:56,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:36:56,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:36:56,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:36:56,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:36:56,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:36:56,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:36:56,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:36:56,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:36:56,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:36:56,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:36:56,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:36:56,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:36:56,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:36:56,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:36:56,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:36:56,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:36:56,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:36:56,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:36:56,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:36:56,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:36:56,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:36:56,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:36:56,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:36:56,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:36:56,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:36:56,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:36:56,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:36:56,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:36:56,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:36:56,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:36:56,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:36:56,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:36:56,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 00:36:56,495 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:36:56,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:36:56,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:36:56,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:36:56,500 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:36:56,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:36:56,500 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:36:56,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 00:36:56,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:36:56,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:36:56,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:36:56,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:36:56,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:36:56,503 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:36:56,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:36:56,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:36:56,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:36:56,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:36:56,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:36:56,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:36:56,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:36:56,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:36:56,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:36:56,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:36:56,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:36:56,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 00:36:56,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 00:36:56,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:36:56,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:36:56,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-10-26 00:36:56,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:36:56,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:36:56,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:36:56,971 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:36:56,973 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:36:56,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-10-26 00:36:57,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e832d7a/b3d77913f1c240db861c60c81e6a84ac/FLAGa014e59ca [2020-10-26 00:36:58,373 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:36:58,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-10-26 00:36:58,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e832d7a/b3d77913f1c240db861c60c81e6a84ac/FLAGa014e59ca [2020-10-26 00:36:58,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e832d7a/b3d77913f1c240db861c60c81e6a84ac [2020-10-26 00:36:58,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:36:58,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:36:58,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:36:58,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:36:58,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:36:58,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:36:58" (1/1) ... [2020-10-26 00:36:58,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408333a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:36:58, skipping insertion in model container [2020-10-26 00:36:58,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:36:58" (1/1) ... [2020-10-26 00:36:58,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:36:58,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:37:03,385 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-26 00:37:03,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5befd1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:37:03, skipping insertion in model container [2020-10-26 00:37:03,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:37:03,387 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 00:37:03,389 INFO L168 Benchmark]: Toolchain (without parser) took 4712.56 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 31.9 MB in the beginning and 38.2 MB in the end (delta: -6.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:03,390 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 46.1 MB. Free memory is still 27.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:37:03,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4700.11 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 31.2 MB in the beginning and 38.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:03,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 46.1 MB. Free memory is still 27.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4700.11 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 31.2 MB in the beginning and 38.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 26.3 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 00:37:05,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:37:05,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:37:05,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:37:05,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:37:05,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:37:05,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:37:05,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:37:05,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:37:05,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:37:05,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:37:05,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:37:05,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:37:05,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:37:05,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:37:05,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:37:05,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:37:05,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:37:05,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:37:05,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:37:05,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:37:05,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:37:05,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:37:05,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:37:05,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:37:05,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:37:05,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:37:05,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:37:05,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:37:05,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:37:05,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:37:05,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:37:05,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:37:05,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:37:05,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:37:05,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:37:05,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:37:05,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:37:05,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:37:05,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:37:05,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:37:05,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-26 00:37:05,990 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:37:05,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:37:05,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:37:05,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:37:05,995 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:37:05,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:37:05,995 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:37:05,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:37:05,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:37:05,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:37:05,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:37:05,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:37:05,998 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 00:37:05,998 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 00:37:05,999 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:37:05,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:37:05,999 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:37:06,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:37:06,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:37:06,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:37:06,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:37:06,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:37:06,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:37:06,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:37:06,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:37:06,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:37:06,003 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 00:37:06,003 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 00:37:06,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:37:06,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:37:06,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 00:37:06,004 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-10-26 00:37:06,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:37:06,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:37:06,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:37:06,574 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:37:06,575 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:37:06,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-10-26 00:37:06,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79622e149/8d89515160494f5eb19a6f9f9d405586/FLAG2d8c0a93e [2020-10-26 00:37:07,680 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:37:07,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-10-26 00:37:07,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79622e149/8d89515160494f5eb19a6f9f9d405586/FLAG2d8c0a93e [2020-10-26 00:37:08,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79622e149/8d89515160494f5eb19a6f9f9d405586 [2020-10-26 00:37:08,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:37:08,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:37:08,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:37:08,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:37:08,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:37:08,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:37:08" (1/1) ... [2020-10-26 00:37:08,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44048abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:37:08, skipping insertion in model container [2020-10-26 00:37:08,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:37:08" (1/1) ... [2020-10-26 00:37:08,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:37:08,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:37:13,857 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-26 00:37:13,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76afbd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:37:13, skipping insertion in model container [2020-10-26 00:37:13,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:37:13,859 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 00:37:13,862 INFO L168 Benchmark]: Toolchain (without parser) took 5720.08 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 21.8 MB in the beginning and 28.0 MB in the end (delta: -6.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:13,863 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 39.8 MB. Free memory was 24.8 MB in the beginning and 24.8 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:37:13,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5711.54 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 28.0 MB in the end (delta: -6.8 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-10-26 00:37:13,867 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 39.8 MB. Free memory was 24.8 MB in the beginning and 24.8 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5711.54 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 28.0 MB in the end (delta: -6.8 MB). Peak memory consumption was 19.3 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...