./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 ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:08:51,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:08:51,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:08:52,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:08:52,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:08:52,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:08:52,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:08:52,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:08:52,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:08:52,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:08:52,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:08:52,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:08:52,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:08:52,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:08:52,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:08:52,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:08:52,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:08:52,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:08:52,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:08:52,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:08:52,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:08:52,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:08:52,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:08:52,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:08:52,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:08:52,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:08:52,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:08:52,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:08:52,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:08:52,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:08:52,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:08:52,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:08:52,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:08:52,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:08:52,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:08:52,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:08:52,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:08:52,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:08:52,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:08:52,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:08:52,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:08:52,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:08:52,074 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:08:52,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:08:52,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:08:52,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:08:52,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:08:52,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:08:52,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:08:52,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:08:52,077 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:08:52,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:08:52,078 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:08:52,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:08:52,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:08:52,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:08:52,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:08:52,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:08:52,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:08:52,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:08:52,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:08:52,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:08:52,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:08:52,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:08:52,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:08:52,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:08:52,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:08:52,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:08:52,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:08:52,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:08:52,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:08:52,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:08:52,081 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:08:52,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:08:52,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:08:52,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:08:52,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-12-21 15:08:52,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:08:52,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:08:52,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:08:52,288 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:08:52,290 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:08:52,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-12-21 15:08:52,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5548d5061/55eddd095adf48b2a129e88e11e9a0e7/FLAGee009cc60 [2021-12-21 15:08:52,881 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:08:52,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-12-21 15:08:52,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5548d5061/55eddd095adf48b2a129e88e11e9a0e7/FLAGee009cc60 [2021-12-21 15:08:53,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5548d5061/55eddd095adf48b2a129e88e11e9a0e7 [2021-12-21 15:08:53,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:08:53,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:08:53,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:08:53,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:08:53,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:08:53,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:08:53" (1/1) ... [2021-12-21 15:08:53,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af2b6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:08:53, skipping insertion in model container [2021-12-21 15:08:53,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:08:53" (1/1) ... [2021-12-21 15:08:53,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:08:53,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:08:53,452 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_write_nvram.i[5469,5482] [2021-12-21 15:08:55,308 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-21 15:08:55,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44088bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:08:55, skipping insertion in model container [2021-12-21 15:08:55,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:08:55,311 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-21 15:08:55,313 INFO L158 Benchmark]: Toolchain (without parser) took 2196.81ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 64.5MB in the beginning and 83.6MB in the end (delta: -19.2MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2021-12-21 15:08:55,314 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 102.8MB. Free memory was 58.9MB in the beginning and 58.9MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:08:55,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2193.12ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 64.5MB in the beginning and 83.6MB in the end (delta: -19.2MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2021-12-21 15:08:55,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 102.8MB. Free memory was 58.9MB in the beginning and 58.9MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2193.12ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 64.5MB in the beginning and 83.6MB in the end (delta: -19.2MB). Peak memory consumption was 27.2MB. 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_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 b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:08:56,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:08:56,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:08:56,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:08:56,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:08:56,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:08:56,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:08:56,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:08:56,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:08:56,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:08:56,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:08:56,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:08:56,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:08:56,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:08:56,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:08:56,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:08:56,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:08:56,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:08:56,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:08:56,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:08:56,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:08:56,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:08:56,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:08:56,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:08:56,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:08:56,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:08:56,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:08:56,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:08:56,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:08:56,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:08:56,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:08:56,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:08:56,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:08:56,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:08:56,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:08:56,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:08:56,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:08:56,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:08:56,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:08:56,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:08:56,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:08:56,925 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 15:08:56,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:08:56,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:08:56,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:08:56,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:08:56,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:08:56,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:08:56,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:08:56,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:08:56,948 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:08:56,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:08:56,949 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:08:56,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:08:56,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:08:56,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:08:56,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:08:56,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:08:56,950 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 15:08:56,950 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 15:08:56,950 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 15:08:56,950 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:08:56,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:08:56,951 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:08:56,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:08:56,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:08:56,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:08:56,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:08:56,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:08:56,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:08:56,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:08:56,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:08:56,952 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 15:08:56,952 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 15:08:56,952 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:08:56,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:08:56,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:08:56,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:08:56,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 15:08:56,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-12-21 15:08:57,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:08:57,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:08:57,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:08:57,227 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:08:57,227 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:08:57,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-12-21 15:08:57,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0462495c4/fafd06cefcc149138922cb1fd8c19103/FLAG3e1cdfa89 [2021-12-21 15:08:57,887 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:08:57,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-12-21 15:08:57,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0462495c4/fafd06cefcc149138922cb1fd8c19103/FLAG3e1cdfa89 [2021-12-21 15:08:58,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0462495c4/fafd06cefcc149138922cb1fd8c19103 [2021-12-21 15:08:58,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:08:58,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:08:58,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:08:58,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:08:58,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:08:58,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:08:58" (1/1) ... [2021-12-21 15:08:58,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2727ad46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:08:58, skipping insertion in model container [2021-12-21 15:08:58,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:08:58" (1/1) ... [2021-12-21 15:08:58,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:08:58,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:08:58,583 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_write_nvram.i[5469,5482] [2021-12-21 15:09:00,666 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-21 15:09:00,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cb1802f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:09:00, skipping insertion in model container [2021-12-21 15:09:00,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:09:00,668 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-21 15:09:00,669 INFO L158 Benchmark]: Toolchain (without parser) took 2559.11ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 26.8MB in the beginning and 35.7MB in the end (delta: -9.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-12-21 15:09:00,670 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:09:00,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2557.03ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 26.5MB in the beginning and 35.7MB in the end (delta: -9.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-12-21 15:09:00,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2557.03ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 26.5MB in the beginning and 35.7MB in the end (delta: -9.2MB). Peak memory consumption was 14.4MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN