./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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_nvram_unlocked_ioctl.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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 21:29:08,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 21:29:08,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 21:29:09,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 21:29:09,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 21:29:09,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 21:29:09,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 21:29:09,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 21:29:09,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 21:29:09,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 21:29:09,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 21:29:09,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 21:29:09,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 21:29:09,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 21:29:09,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 21:29:09,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 21:29:09,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 21:29:09,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 21:29:09,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 21:29:09,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 21:29:09,051 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 21:29:09,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 21:29:09,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 21:29:09,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 21:29:09,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 21:29:09,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 21:29:09,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 21:29:09,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 21:29:09,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 21:29:09,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 21:29:09,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 21:29:09,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 21:29:09,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 21:29:09,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 21:29:09,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 21:29:09,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 21:29:09,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 21:29:09,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 21:29:09,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 21:29:09,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 21:29:09,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 21:29:09,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 21:29:09,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 21:29:09,092 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 21:29:09,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 21:29:09,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 21:29:09,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 21:29:09,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 21:29:09,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 21:29:09,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 21:29:09,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 21:29:09,095 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 21:29:09,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 21:29:09,096 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 21:29:09,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 21:29:09,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 21:29:09,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 21:29:09,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 21:29:09,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 21:29:09,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 21:29:09,097 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 21:29:09,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 21:29:09,097 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 21:29:09,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 21:29:09,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 21:29:09,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 21:29:09,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 21:29:09,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 21:29:09,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 21:29:09,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 21:29:09,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 21:29:09,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 21:29:09,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 21:29:09,099 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 21:29:09,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 21:29:09,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 21:29:09,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-07-22 21:29:09,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 21:29:09,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 21:29:09,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 21:29:09,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 21:29:09,319 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 21:29:09,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-07-22 21:29:09,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2237ff3fb/068db88b38d94024b1b623866d5d78ef/FLAGf39be0a0b [2022-07-22 21:29:10,053 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 21:29:10,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-07-22 21:29:10,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2237ff3fb/068db88b38d94024b1b623866d5d78ef/FLAGf39be0a0b [2022-07-22 21:29:10,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2237ff3fb/068db88b38d94024b1b623866d5d78ef [2022-07-22 21:29:10,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 21:29:10,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 21:29:10,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 21:29:10,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 21:29:10,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 21:29:10,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:29:10" (1/1) ... [2022-07-22 21:29:10,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e580229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:29:10, skipping insertion in model container [2022-07-22 21:29:10,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:29:10" (1/1) ... [2022-07-22 21:29:10,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 21:29:10,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 21:29:10,581 WARN L230 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_nvram_unlocked_ioctl.i[5469,5482] [2022-07-22 21:29:12,357 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-07-22 21:29:12,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a5d9b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:29:12, skipping insertion in model container [2022-07-22 21:29:12,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 21:29:12,358 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-22 21:29:12,360 INFO L158 Benchmark]: Toolchain (without parser) took 2181.56ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 69.8MB in the beginning and 76.6MB in the end (delta: -6.9MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2022-07-22 21:29:12,360 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 69.3MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 21:29:12,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2179.26ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 69.6MB in the beginning and 76.6MB in the end (delta: -7.0MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2022-07-22 21:29:12,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 69.3MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2179.26ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 69.6MB in the beginning and 76.6MB in the end (delta: -7.0MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_nvram_unlocked_ioctl.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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 21:29:13,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 21:29:13,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 21:29:13,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 21:29:13,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 21:29:14,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 21:29:14,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 21:29:14,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 21:29:14,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 21:29:14,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 21:29:14,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 21:29:14,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 21:29:14,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 21:29:14,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 21:29:14,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 21:29:14,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 21:29:14,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 21:29:14,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 21:29:14,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 21:29:14,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 21:29:14,024 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 21:29:14,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 21:29:14,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 21:29:14,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 21:29:14,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 21:29:14,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 21:29:14,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 21:29:14,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 21:29:14,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 21:29:14,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 21:29:14,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 21:29:14,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 21:29:14,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 21:29:14,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 21:29:14,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 21:29:14,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 21:29:14,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 21:29:14,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 21:29:14,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 21:29:14,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 21:29:14,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 21:29:14,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 21:29:14,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-22 21:29:14,071 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 21:29:14,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 21:29:14,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 21:29:14,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 21:29:14,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 21:29:14,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 21:29:14,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 21:29:14,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 21:29:14,076 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 21:29:14,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 21:29:14,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 21:29:14,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 21:29:14,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 21:29:14,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 21:29:14,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 21:29:14,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 21:29:14,078 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 21:29:14,078 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 21:29:14,078 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 21:29:14,079 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 21:29:14,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 21:29:14,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 21:29:14,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 21:29:14,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 21:29:14,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 21:29:14,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 21:29:14,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 21:29:14,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 21:29:14,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 21:29:14,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 21:29:14,081 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 21:29:14,081 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 21:29:14,081 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 21:29:14,081 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 21:29:14,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 21:29:14,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 21:29:14,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-07-22 21:29:14,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 21:29:14,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 21:29:14,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 21:29:14,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 21:29:14,421 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 21:29:14,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-07-22 21:29:14,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13aa30e6b/9cf0e6132dab49739ceac418459f79f2/FLAG645902a62 [2022-07-22 21:29:15,098 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 21:29:15,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-07-22 21:29:15,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13aa30e6b/9cf0e6132dab49739ceac418459f79f2/FLAG645902a62 [2022-07-22 21:29:15,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13aa30e6b/9cf0e6132dab49739ceac418459f79f2 [2022-07-22 21:29:15,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 21:29:15,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 21:29:15,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 21:29:15,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 21:29:15,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 21:29:15,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:29:15" (1/1) ... [2022-07-22 21:29:15,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51064bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:29:15, skipping insertion in model container [2022-07-22 21:29:15,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:29:15" (1/1) ... [2022-07-22 21:29:15,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 21:29:15,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 21:29:15,703 WARN L230 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_nvram_unlocked_ioctl.i[5469,5482] [2022-07-22 21:29:17,570 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-07-22 21:29:17,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@781c9e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:29:17, skipping insertion in model container [2022-07-22 21:29:17,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 21:29:17,571 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-22 21:29:17,573 INFO L158 Benchmark]: Toolchain (without parser) took 2301.25ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 34.6MB in the beginning and 64.2MB in the end (delta: -29.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2022-07-22 21:29:17,573 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 21:29:17,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2299.48ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 34.4MB in the beginning and 64.2MB in the end (delta: -29.8MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2022-07-22 21:29:17,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2299.48ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 34.4MB in the beginning and 64.2MB in the end (delta: -29.8MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN