./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_read_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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74f1dccb8120047dda7efee011297bdb639a689d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_read_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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74f1dccb8120047dda7efee011297bdb639a689d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 10:17:35,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:17:35,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:17:35,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:17:35,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:17:35,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:17:35,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:17:35,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:17:35,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:17:35,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:17:35,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:17:35,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:17:35,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:17:35,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:17:35,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:17:35,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:17:35,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:17:35,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:17:35,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:17:35,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:17:35,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:17:35,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:17:35,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:17:35,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:17:35,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:17:35,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:17:35,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:17:35,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:17:35,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:17:35,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:17:35,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:17:35,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:17:35,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:17:35,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:17:35,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:17:35,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:17:35,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:17:35,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:17:35,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:17:35,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:17:35,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:17:35,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 10:17:35,708 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:17:35,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:17:35,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:17:35,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:17:35,716 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:17:35,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:17:35,719 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:17:35,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:17:35,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:17:35,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:17:35,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:17:35,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:17:35,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:17:35,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:17:35,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:17:35,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:17:35,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:17:35,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:17:35,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:17:35,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:17:35,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:17:35,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:17:35,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:17:35,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:17:35,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:17:35,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:17:35,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:17:35,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:17:35,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 74f1dccb8120047dda7efee011297bdb639a689d [2019-11-27 10:17:36,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:17:36,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:17:36,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:17:36,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:17:36,324 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:17:36,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2019-11-27 10:17:36,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a640f17eb/e44e0abe03f1444b88f1675a2e739d6d/FLAG3a4ecc801 [2019-11-27 10:17:38,253 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:17:38,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2019-11-27 10:17:38,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a640f17eb/e44e0abe03f1444b88f1675a2e739d6d/FLAG3a4ecc801 [2019-11-27 10:17:38,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a640f17eb/e44e0abe03f1444b88f1675a2e739d6d [2019-11-27 10:17:38,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:17:38,416 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:17:38,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:17:38,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:17:38,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:17:38,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:17:38" (1/1) ... [2019-11-27 10:17:38,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c614111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:38, skipping insertion in model container [2019-11-27 10:17:38,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:17:38" (1/1) ... [2019-11-27 10:17:38,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:17:38,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:17:46,202 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-27 10:17:46,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6903adb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:46, skipping insertion in model container [2019-11-27 10:17:46,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:17:46,207 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-27 10:17:46,216 INFO L168 Benchmark]: Toolchain (without parser) took 7796.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 945.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:46,219 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:17:46,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7786.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 945.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:46,229 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 7786.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 945.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4698]: 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 0.1.24-da95e15 [2019-11-27 10:17:50,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:17:50,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:17:50,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:17:50,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:17:50,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:17:50,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:17:50,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:17:50,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:17:50,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:17:50,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:17:50,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:17:50,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:17:50,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:17:50,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:17:50,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:17:50,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:17:50,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:17:50,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:17:50,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:17:50,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:17:50,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:17:50,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:17:50,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:17:50,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:17:50,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:17:50,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:17:50,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:17:50,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:17:50,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:17:50,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:17:50,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:17:50,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:17:50,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:17:50,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:17:50,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:17:50,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:17:50,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:17:50,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:17:50,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:17:50,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:17:50,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 10:17:50,323 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:17:50,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:17:50,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:17:50,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:17:50,331 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:17:50,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:17:50,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 10:17:50,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 10:17:50,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:17:50,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:17:50,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:17:50,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:17:50,336 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:17:50,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:17:50,339 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 10:17:50,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:17:50,340 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:17:50,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:17:50,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:17:50,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:17:50,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:17:50,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:17:50,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:17:50,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:17:50,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:17:50,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:17:50,346 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:17:50,346 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:17:50,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:17:50,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:17:50,351 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> 74f1dccb8120047dda7efee011297bdb639a689d [2019-11-27 10:17:50,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:17:50,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:17:50,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:17:50,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:17:50,996 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:17:50,998 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2019-11-27 10:17:51,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0299f32d3/389ffff2ef4a4484806a16aafc6c0ca8/FLAGd04f5c1c8 [2019-11-27 10:17:53,062 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:17:53,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2019-11-27 10:17:53,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0299f32d3/389ffff2ef4a4484806a16aafc6c0ca8/FLAGd04f5c1c8 [2019-11-27 10:17:53,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0299f32d3/389ffff2ef4a4484806a16aafc6c0ca8 [2019-11-27 10:17:53,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:17:53,434 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:17:53,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:17:53,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:17:53,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:17:53,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:17:53" (1/1) ... [2019-11-27 10:17:53,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec108c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:53, skipping insertion in model container [2019-11-27 10:17:53,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:17:53" (1/1) ... [2019-11-27 10:17:53,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:17:53,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:17:59,423 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-27 10:17:59,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8ec55f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:17:59, skipping insertion in model container [2019-11-27 10:17:59,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:17:59,426 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-27 10:17:59,430 INFO L168 Benchmark]: Toolchain (without parser) took 5994.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 945.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:59,445 INFO L168 Benchmark]: CDTParser took 2.14 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:17:59,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5977.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 945.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. [2019-11-27 10:17:59,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.14 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 5977.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 945.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4698]: 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...