./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_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_unlocked_ioctl_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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:08:57,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:08:57,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:08:57,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:08:57,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:08:57,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:08:57,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:08:57,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:08:57,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:08:57,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:08:57,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:08:57,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:08:57,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:08:57,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:08:57,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:08:57,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:08:57,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:08:57,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:08:57,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:08:57,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:08:57,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:08:57,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:08:57,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:08:57,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:08:57,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:08:57,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:08:57,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:08:57,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:08:57,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:08:57,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:08:57,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:08:57,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:08:57,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:08:57,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:08:57,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:08:57,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:08:57,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:08:57,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:08:57,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:08:57,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:08:57,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:08:57,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:08:57,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:08:57,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:08:57,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:08:57,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:08:57,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:08:57,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:08:57,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:08:57,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:08:57,838 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:08:57,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:08:57,839 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:08:57,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:08:57,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:08:57,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:08:57,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:08:57,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:08:57,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:08:57,840 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:08:57,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:08:57,840 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:08:57,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:08:57,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:08:57,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:08:57,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:08:57,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:08:57,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:08:57,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:08:57,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:08:57,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:08:57,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:08:57,843 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:08:57,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:08:57,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:08:57,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:08:57,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-12-21 15:08:58,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:08:58,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:08:58,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:08:58,068 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:08:58,068 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:08:58,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-21 15:08:58,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d506b70c/c21f2c0aa05748c19a5e11217885af7e/FLAGd6103525a [2021-12-21 15:08:58,630 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:08:58,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-21 15:08:58,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d506b70c/c21f2c0aa05748c19a5e11217885af7e/FLAGd6103525a [2021-12-21 15:08:58,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d506b70c/c21f2c0aa05748c19a5e11217885af7e [2021-12-21 15:08:58,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:08:58,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:08:58,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:08:58,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:08:58,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:08:58,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:08:58" (1/1) ... [2021-12-21 15:08:58,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed3aaef 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 15:08:58,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:08:58" (1/1) ... [2021-12-21 15:08:58,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:08:58,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:08:59,297 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_unlocked_ioctl_write_nvram.i[5469,5482] [2021-12-21 15:09:01,975 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-21 15:09:01,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31dbaaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:09:01, skipping insertion in model container [2021-12-21 15:09:01,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:09:01,978 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-21 15:09:01,980 INFO L158 Benchmark]: Toolchain (without parser) took 3114.77ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 58.4MB in the beginning and 96.2MB in the end (delta: -37.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-12-21 15:09:01,980 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:09:01,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3110.88ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 58.2MB in the beginning and 96.2MB in the end (delta: -38.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-12-21 15:09:01,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3110.88ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 58.2MB in the beginning and 96.2MB in the end (delta: -38.0MB). Peak memory consumption was 30.6MB. 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_unlocked_ioctl_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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:09:03,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:09:03,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:09:03,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:09:03,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:09:03,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:09:03,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:09:03,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:09:03,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:09:03,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:09:03,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:09:03,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:09:03,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:09:03,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:09:03,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:09:03,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:09:03,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:09:03,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:09:03,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:09:03,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:09:03,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:09:03,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:09:03,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:09:03,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:09:03,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:09:03,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:09:03,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:09:03,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:09:03,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:09:03,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:09:03,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:09:03,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:09:03,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:09:03,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:09:03,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:09:03,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:09:03,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:09:03,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:09:03,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:09:03,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:09:03,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:09:03,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 15:09:03,645 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:09:03,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:09:03,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:09:03,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:09:03,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:09:03,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:09:03,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:09:03,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:09:03,651 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:09:03,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:09:03,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:09:03,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:09:03,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:09:03,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:09:03,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:09:03,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:09:03,652 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 15:09:03,653 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 15:09:03,653 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 15:09:03,653 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:09:03,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:09:03,653 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:09:03,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:09:03,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:09:03,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:09:03,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:09:03,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:09:03,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:09:03,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:09:03,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:09:03,655 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 15:09:03,655 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 15:09:03,655 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:09:03,656 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:09:03,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:09:03,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:09:03,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 15:09:03,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-12-21 15:09:03,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:09:03,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:09:03,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:09:03,932 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:09:03,933 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:09:03,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-21 15:09:03,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2c190f1/ef2ba95a64464c9aa5cb3b41edcb5a4b/FLAG2fb6c7084 [2021-12-21 15:09:04,573 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:09:04,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-21 15:09:04,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2c190f1/ef2ba95a64464c9aa5cb3b41edcb5a4b/FLAG2fb6c7084 [2021-12-21 15:09:05,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2c190f1/ef2ba95a64464c9aa5cb3b41edcb5a4b [2021-12-21 15:09:05,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:09:05,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:09:05,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:09:05,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:09:05,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:09:05,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:09:05" (1/1) ... [2021-12-21 15:09:05,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92910e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:09:05, skipping insertion in model container [2021-12-21 15:09:05,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:09:05" (1/1) ... [2021-12-21 15:09:05,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:09:05,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:09:05,417 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_unlocked_ioctl_write_nvram.i[5469,5482] [2021-12-21 15:09:07,279 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-21 15:09:07,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@269e2ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:09:07, skipping insertion in model container [2021-12-21 15:09:07,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:09:07,280 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-21 15:09:07,282 INFO L158 Benchmark]: Toolchain (without parser) took 2251.70ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 30.5MB in the beginning and 36.9MB in the end (delta: -6.4MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2021-12-21 15:09:07,282 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 46.1MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:09:07,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2250.13ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 30.3MB in the beginning and 36.9MB in the end (delta: -6.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2021-12-21 15:09:07,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 46.1MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2250.13ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 30.3MB in the beginning and 36.9MB in the end (delta: -6.6MB). Peak memory consumption was 18.6MB. 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