./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 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_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 0.2.1-dev-997cd7c-m [2021-09-22 14:55:55,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:55:55,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:55:55,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:55:55,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:55:55,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:55:55,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:55:55,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:55:55,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:55:55,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:55:55,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:55:55,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:55:55,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:55:55,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:55:55,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:55:55,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:55:55,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:55:55,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:55:55,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:55:55,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:55:55,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:55:55,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:55:55,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:55:55,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:55:55,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:55:55,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:55:55,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:55:55,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:55:55,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:55:55,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:55:55,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:55:55,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:55:55,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:55:55,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:55:55,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:55:55,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:55:55,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:55:55,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:55:55,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:55:55,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:55:55,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:55:55,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-09-22 14:55:55,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:55:55,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:55:55,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:55:55,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:55:55,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:55:55,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:55:55,392 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:55:55,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:55:55,393 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:55:55,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-22 14:55:55,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:55:55,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:55:55,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:55:55,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:55:55,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:55:55,395 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:55:55,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:55:55,395 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:55:55,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:55:55,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:55:55,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:55:55,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:55:55,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:55:55,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:55:55,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:55:55,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:55:55,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-22 14:55:55,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-22 14:55:55,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:55:55,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:55:55,408 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2021-09-22 14:55:55,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:55:55,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:55:55,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:55:55,752 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:55:55,753 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:55:55,754 INFO L432 ainManager$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 [2021-09-22 14:55:55,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b4fb461c/e2240e77fdca44a6b808760fe6c0b47d/FLAG389679c51 [2021-09-22 14:55:56,692 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:55:56,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-09-22 14:55:56,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b4fb461c/e2240e77fdca44a6b808760fe6c0b47d/FLAG389679c51 [2021-09-22 14:55:57,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b4fb461c/e2240e77fdca44a6b808760fe6c0b47d [2021-09-22 14:55:57,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:55:57,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:55:57,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:55:57,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:55:57,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:55:57,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:55:57" (1/1) ... [2021-09-22 14:55:57,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b24e8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:55:57, skipping insertion in model container [2021-09-22 14:55:57,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:55:57" (1/1) ... [2021-09-22 14:55:57,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:55:57,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:55:57,757 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_nvram_llseek_write_nvram.i[5469,5482] [2021-09-22 14:56:00,441 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-09-22 14:56:00,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57334268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:56:00, skipping insertion in model container [2021-09-22 14:56:00,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:00,443 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-09-22 14:56:00,445 INFO L168 Benchmark]: Toolchain (without parser) took 3200.76 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 32.6 MB in the beginning and 41.5 MB in the end (delta: -8.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:00,445 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:56:00,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3197.44 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 32.5 MB in the beginning and 41.8 MB in the end (delta: -9.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:00,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3197.44 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 32.5 MB in the beginning and 41.8 MB in the end (delta: -9.3 MB). Peak memory consumption was 24.6 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 14:56:02,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:56:02,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:56:02,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:56:02,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:56:02,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:56:02,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:56:02,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:56:02,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:56:02,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:56:02,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:56:02,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:56:02,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:56:02,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:56:02,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:56:02,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:56:02,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:56:02,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:56:02,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:56:02,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:56:02,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:56:02,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:56:02,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:56:02,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:56:02,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:56:02,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:56:02,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:56:02,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:56:02,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:56:02,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:56:02,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:56:02,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:56:02,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:56:02,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:56:02,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:56:02,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:56:02,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:56:02,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:56:02,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:56:02,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:56:02,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:56:02,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-09-22 14:56:02,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:56:02,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:56:02,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:56:02,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:56:02,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:56:02,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:56:02,346 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:56:02,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:56:02,347 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:56:02,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:56:02,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:56:02,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:56:02,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:56:02,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:56:02,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-09-22 14:56:02,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-09-22 14:56:02,348 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:56:02,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:56:02,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:56:02,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:56:02,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:56:02,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:56:02,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:56:02,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:56:02,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:56:02,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:56:02,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:56:02,351 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-09-22 14:56:02,351 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-09-22 14:56:02,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:56:02,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:56:02,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-09-22 14:56:02,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2021-09-22 14:56:02,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:56:02,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:56:02,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:56:02,719 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:56:02,722 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:56:02,723 INFO L432 ainManager$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 [2021-09-22 14:56:02,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9b28750/5265e3e5c5884c02b219f93ca724a62f/FLAG6a4763455 [2021-09-22 14:56:03,655 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:56:03,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-09-22 14:56:03,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9b28750/5265e3e5c5884c02b219f93ca724a62f/FLAG6a4763455 [2021-09-22 14:56:03,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9b28750/5265e3e5c5884c02b219f93ca724a62f [2021-09-22 14:56:03,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:56:03,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:56:03,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:03,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:56:03,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:56:03,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:56:03" (1/1) ... [2021-09-22 14:56:03,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439bb3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:56:03, skipping insertion in model container [2021-09-22 14:56:03,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:56:03" (1/1) ... [2021-09-22 14:56:03,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:56:03,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:56:04,356 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_nvram_llseek_write_nvram.i[5469,5482] [2021-09-22 14:56:06,238 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-09-22 14:56:06,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e64faf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:56:06, skipping insertion in model container [2021-09-22 14:56:06,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:56:06,239 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-09-22 14:56:06,241 INFO L168 Benchmark]: Toolchain (without parser) took 2438.50 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 31.6 MB in the beginning and 49.2 MB in the end (delta: -17.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:06,243 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 43.9 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:56:06,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2434.75 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 31.4 MB in the beginning and 49.2 MB in the end (delta: -17.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2021-09-22 14:56:06,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 43.9 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2434.75 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 31.4 MB in the beginning and 49.2 MB in the end (delta: -17.7 MB). Peak memory consumption was 23.9 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...