./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 20:38:05,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 20:38:05,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 20:38:05,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 20:38:05,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 20:38:05,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 20:38:05,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 20:38:05,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 20:38:05,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 20:38:05,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 20:38:05,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 20:38:05,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 20:38:05,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 20:38:05,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 20:38:05,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 20:38:05,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 20:38:05,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 20:38:05,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 20:38:05,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 20:38:05,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 20:38:05,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 20:38:05,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 20:38:05,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 20:38:05,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 20:38:05,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 20:38:05,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 20:38:05,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 20:38:05,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 20:38:05,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 20:38:05,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 20:38:05,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 20:38:05,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 20:38:05,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 20:38:05,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 20:38:05,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 20:38:05,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 20:38:05,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 20:38:05,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 20:38:05,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 20:38:05,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 20:38:05,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 20:38:05,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 20:38:05,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 20:38:05,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 20:38:05,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 20:38:05,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 20:38:05,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 20:38:05,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 20:38:05,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 20:38:05,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 20:38:05,683 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 20:38:05,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 20:38:05,684 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 20:38:05,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 20:38:05,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 20:38:05,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 20:38:05,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 20:38:05,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 20:38:05,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 20:38:05,685 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 20:38:05,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 20:38:05,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 20:38:05,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 20:38:05,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 20:38:05,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 20:38:05,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 20:38:05,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 20:38:05,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 20:38:05,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 20:38:05,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 20:38:05,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 20:38:05,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 20:38:05,688 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 20:38:05,688 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 20:38:05,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 20:38:05,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-02-20 20:38:05,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 20:38:05,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 20:38:05,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 20:38:05,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 20:38:05,939 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 20:38:05,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-02-20 20:38:05,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c37e7947d/2a236c1fb35c4dc6ac7637e1ff53c57c/FLAG393d53de0 [2022-02-20 20:38:06,520 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 20:38:06,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-02-20 20:38:06,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c37e7947d/2a236c1fb35c4dc6ac7637e1ff53c57c/FLAG393d53de0 [2022-02-20 20:38:07,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c37e7947d/2a236c1fb35c4dc6ac7637e1ff53c57c [2022-02-20 20:38:07,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 20:38:07,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 20:38:07,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 20:38:07,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 20:38:07,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 20:38:07,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:38:07" (1/1) ... [2022-02-20 20:38:07,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd9241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:38:07, skipping insertion in model container [2022-02-20 20:38:07,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:38:07" (1/1) ... [2022-02-20 20:38:07,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 20:38:07,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 20:38:07,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-02-20 20:38:09,666 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-02-20 20:38:09,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fdaed7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:38:09, skipping insertion in model container [2022-02-20 20:38:09,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 20:38:09,669 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-02-20 20:38:09,671 INFO L158 Benchmark]: Toolchain (without parser) took 2626.13ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 69.8MB in the beginning and 123.9MB in the end (delta: -54.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-02-20 20:38:09,671 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 20:38:09,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2613.40ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 69.6MB in the beginning and 123.9MB in the end (delta: -54.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-02-20 20:38:09,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2613.40ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 69.6MB in the beginning and 123.9MB in the end (delta: -54.3MB). Peak memory consumption was 26.3MB. 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 -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 20:38:11,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 20:38:11,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 20:38:11,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 20:38:11,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 20:38:11,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 20:38:11,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 20:38:11,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 20:38:11,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 20:38:11,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 20:38:11,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 20:38:11,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 20:38:11,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 20:38:11,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 20:38:11,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 20:38:11,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 20:38:11,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 20:38:11,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 20:38:11,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 20:38:11,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 20:38:11,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 20:38:11,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 20:38:11,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 20:38:11,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 20:38:11,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 20:38:11,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 20:38:11,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 20:38:11,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 20:38:11,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 20:38:11,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 20:38:11,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 20:38:11,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 20:38:11,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 20:38:11,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 20:38:11,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 20:38:11,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 20:38:11,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 20:38:11,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 20:38:11,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 20:38:11,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 20:38:11,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 20:38:11,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 20:38:11,284 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 20:38:11,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 20:38:11,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 20:38:11,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 20:38:11,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 20:38:11,286 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 20:38:11,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 20:38:11,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 20:38:11,287 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 20:38:11,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 20:38:11,288 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 20:38:11,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 20:38:11,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 20:38:11,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 20:38:11,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 20:38:11,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 20:38:11,289 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 20:38:11,289 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 20:38:11,289 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 20:38:11,290 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 20:38:11,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 20:38:11,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 20:38:11,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 20:38:11,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 20:38:11,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 20:38:11,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 20:38:11,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 20:38:11,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 20:38:11,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 20:38:11,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 20:38:11,291 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 20:38:11,291 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 20:38:11,292 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 20:38:11,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 20:38:11,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 20:38:11,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 20:38:11,292 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-02-20 20:38:11,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 20:38:11,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 20:38:11,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 20:38:11,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 20:38:11,540 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 20:38:11,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-02-20 20:38:11,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1aca739d/ecb45659744a44c2a252c17f0ebf0249/FLAG01fc747e4 [2022-02-20 20:38:12,243 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 20:38:12,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-02-20 20:38:12,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1aca739d/ecb45659744a44c2a252c17f0ebf0249/FLAG01fc747e4 [2022-02-20 20:38:12,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1aca739d/ecb45659744a44c2a252c17f0ebf0249 [2022-02-20 20:38:12,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 20:38:12,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 20:38:12,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 20:38:12,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 20:38:12,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 20:38:12,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:38:12" (1/1) ... [2022-02-20 20:38:12,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3190bae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:38:12, skipping insertion in model container [2022-02-20 20:38:12,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:38:12" (1/1) ... [2022-02-20 20:38:12,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 20:38:12,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 20:38:13,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-02-20 20:38:14,941 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-02-20 20:38:14,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67d5e253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:38:14, skipping insertion in model container [2022-02-20 20:38:14,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 20:38:14,942 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-02-20 20:38:14,945 INFO L158 Benchmark]: Toolchain (without parser) took 2317.28ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 44.0MB in the beginning and 50.7MB in the end (delta: -6.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-02-20 20:38:14,945 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 20:38:14,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2312.82ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 43.7MB in the beginning and 51.1MB in the end (delta: -7.4MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-02-20 20:38:14,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2312.82ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 43.7MB in the beginning and 51.1MB in the end (delta: -7.4MB). Peak memory consumption was 32.9MB. 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