./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 9a8b2e8d 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_1.3.100.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_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_1.3.100.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_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 0.1.25-9a8b2e8 [2020-10-20 03:10:59,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:10:59,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:10:59,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:10:59,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:10:59,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:10:59,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:10:59,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:10:59,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:10:59,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:10:59,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:10:59,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:10:59,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:10:59,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:10:59,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:10:59,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:10:59,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:10:59,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:10:59,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:10:59,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:10:59,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:10:59,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:10:59,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:10:59,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:10:59,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:10:59,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:10:59,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:10:59,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:10:59,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:10:59,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:10:59,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:10:59,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:10:59,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:10:59,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:10:59,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:10:59,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:10:59,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:10:59,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:10:59,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:10:59,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:10:59,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:10:59,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 03:10:59,470 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:10:59,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:10:59,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:10:59,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:10:59,475 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:10:59,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:10:59,475 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:10:59,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 03:10:59,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:10:59,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:10:59,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:10:59,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:10:59,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:10:59,478 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:10:59,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:10:59,479 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:10:59,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:10:59,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:10:59,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:10:59,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:10:59,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:10:59,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:10:59,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:10:59,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:10:59,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:10:59,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 03:10:59,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 03:10:59,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:10:59,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:10:59,483 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(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 [2020-10-20 03:10:59,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:10:59,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:10:59,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:10:59,727 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:10:59,727 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:10:59,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-10-20 03:10:59,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee82a130/5d0e8f1c1aed4dc58ee81f83786f96cb/FLAG2803946e6 [2020-10-20 03:11:00,725 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:11:00,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-10-20 03:11:00,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee82a130/5d0e8f1c1aed4dc58ee81f83786f96cb/FLAG2803946e6 [2020-10-20 03:11:01,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee82a130/5d0e8f1c1aed4dc58ee81f83786f96cb [2020-10-20 03:11:01,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:11:01,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:11:01,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:01,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:11:01,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:11:01,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:01" (1/1) ... [2020-10-20 03:11:01,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da094d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:01, skipping insertion in model container [2020-10-20 03:11:01,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:01" (1/1) ... [2020-10-20 03:11:01,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:11:01,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:11:04,708 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-20 03:11:04,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21eb2459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:04, skipping insertion in model container [2020-10-20 03:11:04,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:04,710 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 03:11:04,717 INFO L168 Benchmark]: Toolchain (without parser) took 3479.58 ms. Allocated memory was 40.4 MB in the beginning and 48.2 MB in the end (delta: 7.9 MB). Free memory was 15.8 MB in the beginning and 11.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:04,718 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 30.4 MB. Free memory was 6.4 MB in the beginning and 6.4 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. [2020-10-20 03:11:04,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3469.80 ms. Allocated memory was 40.4 MB in the beginning and 48.2 MB in the end (delta: 7.9 MB). Free memory was 14.9 MB in the beginning and 11.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 16.9 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:04,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 30.4 MB. Free memory was 6.4 MB in the beginning and 6.4 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 3469.80 ms. Allocated memory was 40.4 MB in the beginning and 48.2 MB in the end (delta: 7.9 MB). Free memory was 14.9 MB in the beginning and 11.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 16.9 MB. Max. memory is 14.3 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 0.1.25-9a8b2e8 [2020-10-20 03:11:06,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:11:06,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:11:06,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:11:06,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:11:06,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:11:06,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:11:06,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:11:06,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:11:06,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:11:06,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:11:06,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:11:06,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:11:06,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:11:06,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:11:06,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:11:06,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:11:06,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:11:06,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:11:06,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:11:06,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:11:06,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:11:06,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:11:06,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:11:06,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:11:06,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:11:06,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:11:06,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:11:06,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:11:06,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:11:06,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:11:06,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:11:06,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:11:06,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:11:06,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:11:06,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:11:06,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:11:06,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:11:06,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:11:06,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:11:06,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:11:06,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 03:11:06,905 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:11:06,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:11:06,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:11:06,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:11:06,909 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:11:06,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:11:06,910 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:11:06,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:11:06,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:11:06,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:11:06,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:11:06,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:11:06,912 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 03:11:06,913 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 03:11:06,913 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:11:06,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:11:06,914 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:11:06,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:11:06,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:11:06,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:11:06,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:11:06,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:11:06,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:11:06,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:11:06,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:11:06,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:11:06,917 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 03:11:06,918 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 03:11:06,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:11:06,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:11:06,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 03:11:06,919 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(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 [2020-10-20 03:11:07,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:11:07,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:11:07,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:11:07,151 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:11:07,152 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:11:07,153 INFO L432 ainManager$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 [2020-10-20 03:11:07,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf0ba647/173b0923e1f84df5a923e3c119044498/FLAG22fc12d5a [2020-10-20 03:11:08,147 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:11:08,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-10-20 03:11:08,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf0ba647/173b0923e1f84df5a923e3c119044498/FLAG22fc12d5a [2020-10-20 03:11:08,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf0ba647/173b0923e1f84df5a923e3c119044498 [2020-10-20 03:11:08,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:11:08,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:11:08,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:08,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:11:08,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:11:08,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:08" (1/1) ... [2020-10-20 03:11:08,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758a654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:08, skipping insertion in model container [2020-10-20 03:11:08,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:08" (1/1) ... [2020-10-20 03:11:08,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:11:08,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:11:12,146 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-20 03:11:12,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d0ba22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:12, skipping insertion in model container [2020-10-20 03:11:12,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:12,148 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 03:11:12,150 INFO L168 Benchmark]: Toolchain (without parser) took 3581.43 ms. Allocated memory was 41.4 MB in the beginning and 48.2 MB in the end (delta: 6.8 MB). Free memory was 20.2 MB in the beginning and 15.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:12,152 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 31.5 MB. Free memory was 10.4 MB in the beginning and 10.3 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. [2020-10-20 03:11:12,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3574.00 ms. Allocated memory was 41.4 MB in the beginning and 48.2 MB in the end (delta: 6.8 MB). Free memory was 19.4 MB in the beginning and 15.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:12,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 31.5 MB. Free memory was 10.4 MB in the beginning and 10.3 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 3574.00 ms. Allocated memory was 41.4 MB in the beginning and 48.2 MB in the end (delta: 6.8 MB). Free memory was 19.4 MB in the beginning and 15.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 14.3 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...