./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 16:40:21,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 16:40:21,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 16:40:21,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 16:40:21,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 16:40:21,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 16:40:21,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 16:40:21,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 16:40:21,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 16:40:21,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 16:40:21,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 16:40:21,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 16:40:21,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 16:40:21,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 16:40:21,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 16:40:21,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 16:40:21,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 16:40:21,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 16:40:21,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 16:40:21,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 16:40:21,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 16:40:21,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 16:40:21,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 16:40:21,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 16:40:21,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 16:40:21,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 16:40:21,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 16:40:21,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 16:40:21,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 16:40:21,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 16:40:21,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 16:40:21,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 16:40:21,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 16:40:21,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 16:40:21,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 16:40:21,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 16:40:21,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 16:40:21,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 16:40:21,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 16:40:21,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 16:40:21,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 16:40:21,816 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 16:40:21,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 16:40:21,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 16:40:21,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 16:40:21,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 16:40:21,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 16:40:21,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 16:40:21,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 16:40:21,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 16:40:21,852 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 16:40:21,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 16:40:21,853 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 16:40:21,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 16:40:21,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 16:40:21,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 16:40:21,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 16:40:21,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 16:40:21,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 16:40:21,855 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 16:40:21,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 16:40:21,855 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 16:40:21,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 16:40:21,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 16:40:21,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 16:40:21,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 16:40:21,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:40:21,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 16:40:21,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 16:40:21,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 16:40:21,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 16:40:21,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 16:40:21,858 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 16:40:21,858 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 16:40:21,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 16:40:21,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 16:40:21,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-12-14 16:40:22,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 16:40:22,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 16:40:22,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 16:40:22,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 16:40:22,115 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 16:40:22,116 INFO L432 ainManager$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 [2021-12-14 16:40:22,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2814a6bef/61034aa37f524a7ab65fd14000f4f8f2/FLAGaf0e897e6 [2021-12-14 16:40:22,877 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 16:40:22,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-14 16:40:22,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2814a6bef/61034aa37f524a7ab65fd14000f4f8f2/FLAGaf0e897e6 [2021-12-14 16:40:23,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2814a6bef/61034aa37f524a7ab65fd14000f4f8f2 [2021-12-14 16:40:23,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 16:40:23,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 16:40:23,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 16:40:23,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 16:40:23,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 16:40:23,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:40:23" (1/1) ... [2021-12-14 16:40:23,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c4063b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:23, skipping insertion in model container [2021-12-14 16:40:23,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:40:23" (1/1) ... [2021-12-14 16:40:23,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 16:40:23,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 16:40:23,568 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] [2021-12-14 16:40:26,463 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-14 16:40:26,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55a78be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:26, skipping insertion in model container [2021-12-14 16:40:26,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 16:40:26,465 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 16:40:26,467 INFO L158 Benchmark]: Toolchain (without parser) took 3298.01ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 56.7MB in the end (delta: 14.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2021-12-14 16:40:26,468 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 16:40:26,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3295.77ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 56.7MB in the end (delta: 13.6MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-12-14 16:40:26,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3295.77ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 56.7MB in the end (delta: 13.6MB). Peak memory consumption was 26.9MB. 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 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 16:40:28,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 16:40:28,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 16:40:28,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 16:40:28,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 16:40:28,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 16:40:28,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 16:40:28,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 16:40:28,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 16:40:28,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 16:40:28,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 16:40:28,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 16:40:28,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 16:40:28,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 16:40:28,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 16:40:28,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 16:40:28,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 16:40:28,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 16:40:28,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 16:40:28,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 16:40:28,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 16:40:28,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 16:40:28,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 16:40:28,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 16:40:28,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 16:40:28,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 16:40:28,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 16:40:28,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 16:40:28,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 16:40:28,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 16:40:28,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 16:40:28,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 16:40:28,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 16:40:28,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 16:40:28,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 16:40:28,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 16:40:28,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 16:40:28,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 16:40:28,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 16:40:28,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 16:40:28,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 16:40:28,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-14 16:40:28,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 16:40:28,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 16:40:28,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 16:40:28,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 16:40:28,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 16:40:28,207 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 16:40:28,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 16:40:28,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 16:40:28,209 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 16:40:28,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 16:40:28,210 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 16:40:28,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 16:40:28,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 16:40:28,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 16:40:28,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 16:40:28,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 16:40:28,211 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 16:40:28,211 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 16:40:28,211 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 16:40:28,211 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 16:40:28,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 16:40:28,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 16:40:28,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 16:40:28,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 16:40:28,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 16:40:28,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 16:40:28,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:40:28,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 16:40:28,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 16:40:28,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 16:40:28,214 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 16:40:28,214 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 16:40:28,214 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 16:40:28,214 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 16:40:28,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 16:40:28,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 16:40:28,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 16:40:28,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-12-14 16:40:28,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 16:40:28,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 16:40:28,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 16:40:28,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 16:40:28,589 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 16:40:28,591 INFO L432 ainManager$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 [2021-12-14 16:40:28,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97a7149f/b95325b5abc84785885b83a2f224d8d5/FLAGbf3bf357f [2021-12-14 16:40:29,376 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 16:40:29,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-12-14 16:40:29,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97a7149f/b95325b5abc84785885b83a2f224d8d5/FLAGbf3bf357f [2021-12-14 16:40:29,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a97a7149f/b95325b5abc84785885b83a2f224d8d5 [2021-12-14 16:40:29,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 16:40:29,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 16:40:29,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 16:40:29,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 16:40:29,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 16:40:29,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:40:29" (1/1) ... [2021-12-14 16:40:29,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6b7003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:29, skipping insertion in model container [2021-12-14 16:40:29,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:40:29" (1/1) ... [2021-12-14 16:40:29,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 16:40:29,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 16:40:30,119 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] [2021-12-14 16:40:32,648 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-14 16:40:32,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18e7ca13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:40:32, skipping insertion in model container [2021-12-14 16:40:32,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 16:40:32,649 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 16:40:32,651 INFO L158 Benchmark]: Toolchain (without parser) took 2980.43ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 40.8MB in the beginning and 47.7MB in the end (delta: -7.0MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2021-12-14 16:40:32,652 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 16:40:32,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2977.12ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 40.6MB in the beginning and 47.7MB in the end (delta: -7.1MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2021-12-14 16:40:32,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2977.12ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 40.6MB in the beginning and 47.7MB in the end (delta: -7.1MB). Peak memory consumption was 23.8MB. 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