./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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_read_nvram_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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:53:46,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:53:46,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:53:46,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:53:46,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:53:46,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:53:46,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:53:46,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:53:46,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:53:46,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:53:46,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:53:46,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:53:46,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:53:46,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:53:46,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:53:46,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:53:46,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:53:46,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:53:46,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:53:46,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:53:46,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:53:46,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:53:46,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:53:46,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:53:46,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:53:46,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:53:46,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:53:46,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:53:46,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:53:46,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:53:46,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:53:46,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:53:46,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:53:46,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:53:46,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:53:46,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:53:46,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:53:46,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:53:46,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:53:46,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:53:46,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:53:46,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 02:53:46,956 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:53:46,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:53:46,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:53:46,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:53:46,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:53:46,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:53:46,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:53:46,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:53:46,959 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:53:46,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:53:46,959 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:53:46,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 02:53:46,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:53:46,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:53:46,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:53:46,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:53:46,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:53:46,961 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:53:46,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:53:46,961 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:53:46,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:53:46,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:53:46,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:53:46,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:53:46,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:53:46,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:53:46,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:53:46,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:53:46,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 02:53:46,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 02:53:46,963 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:53:46,963 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:53:46,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:53:46,964 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-12-28 02:53:47,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:53:47,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:53:47,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:53:47,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:53:47,294 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:53:47,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-28 02:53:47,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124b2b1c1/b41268eb728442fa9b97418832f3e6d8/FLAG947bd7e65 [2021-12-28 02:53:47,908 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:53:47,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-28 02:53:47,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124b2b1c1/b41268eb728442fa9b97418832f3e6d8/FLAG947bd7e65 [2021-12-28 02:53:48,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124b2b1c1/b41268eb728442fa9b97418832f3e6d8 [2021-12-28 02:53:48,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:53:48,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:53:48,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:48,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:53:48,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:53:48,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:48" (1/1) ... [2021-12-28 02:53:48,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3d96ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:48, skipping insertion in model container [2021-12-28 02:53:48,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:48" (1/1) ... [2021-12-28 02:53:48,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:53:48,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:53:48,752 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_read_nvram_write_nvram.i[5469,5482] [2021-12-28 02:53:51,565 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-28 02:53:51,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ab342f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:51, skipping insertion in model container [2021-12-28 02:53:51,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:51,567 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 02:53:51,569 INFO L158 Benchmark]: Toolchain (without parser) took 3220.52ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 31.9MB in the beginning and 36.7MB in the end (delta: -4.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-12-28 02:53:51,570 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 02:53:51,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3218.94ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 31.8MB in the beginning and 36.7MB in the end (delta: -4.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-12-28 02:53:51,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3218.94ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 31.8MB in the beginning and 36.7MB in the end (delta: -4.9MB). Peak memory consumption was 21.4MB. 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_read_nvram_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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:53:53,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:53:53,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:53:53,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:53:53,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:53:53,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:53:53,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:53:53,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:53:53,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:53:53,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:53:53,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:53:53,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:53:53,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:53:53,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:53:53,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:53:53,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:53:53,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:53:53,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:53:53,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:53:53,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:53:53,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:53:53,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:53:53,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:53:53,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:53:53,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:53:53,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:53:53,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:53:53,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:53:53,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:53:53,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:53:53,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:53:53,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:53:53,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:53:53,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:53:53,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:53:53,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:53:53,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:53:53,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:53:53,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:53:53,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:53:53,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:53:53,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-28 02:53:53,668 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:53:53,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:53:53,669 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:53:53,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:53:53,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:53:53,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:53:53,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:53:53,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:53:53,671 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:53:53,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:53:53,672 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:53:53,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:53:53,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:53:53,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:53:53,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:53:53,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:53:53,673 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-28 02:53:53,673 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-28 02:53:53,673 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-28 02:53:53,673 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:53:53,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:53:53,673 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:53:53,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:53:53,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:53:53,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:53:53,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:53:53,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:53:53,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:53:53,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:53:53,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:53:53,675 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-28 02:53:53,675 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-28 02:53:53,675 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:53:53,675 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:53:53,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:53:53,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-28 02:53:53,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-12-28 02:53:53,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:53:53,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:53:53,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:53:53,992 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:53:53,993 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:53:53,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-28 02:53:54,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd9ccb5cd/fb8eb7c159b04aadb3e198c2c742aea0/FLAG2fbfd23ef [2021-12-28 02:53:54,691 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:53:54,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-28 02:53:54,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd9ccb5cd/fb8eb7c159b04aadb3e198c2c742aea0/FLAG2fbfd23ef [2021-12-28 02:53:54,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd9ccb5cd/fb8eb7c159b04aadb3e198c2c742aea0 [2021-12-28 02:53:54,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:53:54,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:53:54,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:54,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:53:54,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:53:54,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:54" (1/1) ... [2021-12-28 02:53:54,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54bf6d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:54, skipping insertion in model container [2021-12-28 02:53:54,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:54" (1/1) ... [2021-12-28 02:53:54,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:53:54,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:53:55,282 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_read_nvram_write_nvram.i[5469,5482] [2021-12-28 02:53:57,220 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-28 02:53:57,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9870e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:57, skipping insertion in model container [2021-12-28 02:53:57,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:57,222 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 02:53:57,223 INFO L158 Benchmark]: Toolchain (without parser) took 2354.23ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 36.8MB in the beginning and 54.1MB in the end (delta: -17.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2021-12-28 02:53:57,225 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 67.1MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 54.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 02:53:57,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2351.09ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 36.7MB in the beginning and 54.1MB in the end (delta: -17.4MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2021-12-28 02:53:57,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 67.1MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 54.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2351.09ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 36.7MB in the beginning and 54.1MB in the end (delta: -17.4MB). Peak memory consumption was 21.8MB. 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