./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer --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 e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer --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 e8fab23d5cd00fa47cc475e98f18b62d09cf6afd .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:10:27,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:27,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:27,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:27,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:27,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:27,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:27,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:27,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:27,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:27,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:27,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:27,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:27,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:27,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:27,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:27,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:27,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:27,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:27,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:27,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:27,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:27,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:27,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:27,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:27,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:27,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:27,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:27,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:27,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:27,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:27,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:27,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:27,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:27,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:27,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:27,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:27,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:27,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:27,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:27,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:27,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:10:27,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:27,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:27,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:27,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:27,924 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:10:27,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:27,924 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:10:27,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:10:27,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:10:27,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:27,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:10:27,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:10:27,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:10:27,926 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:10:27,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:10:27,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:27,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:10:27,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:27,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:10:27,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:10:27,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:10:27,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:10:27,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:27,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:10:27,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:10:27,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:10:27,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:10:27,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:10:27,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:10:27,932 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:/tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-11-30 01:10:28,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:28,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:28,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:28,287 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:28,288 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:28,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-30 01:10:28,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/data/70f80fba7/a70df17a0d9a48dbaa22959b9b0a623d/FLAG7f0af02c4 [2020-11-30 01:10:29,487 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:29,489 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-30 01:10:29,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/data/70f80fba7/a70df17a0d9a48dbaa22959b9b0a623d/FLAG7f0af02c4 [2020-11-30 01:10:29,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/data/70f80fba7/a70df17a0d9a48dbaa22959b9b0a623d [2020-11-30 01:10:29,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:29,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:10:29,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:29,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:29,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:29,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:29" (1/1) ... [2020-11-30 01:10:29,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65344b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:29, skipping insertion in model container [2020-11-30 01:10:29,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:29" (1/1) ... [2020-11-30 01:10:29,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:30,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:35,731 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-30 01:10:35,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fdfba48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:35, skipping insertion in model container [2020-11-30 01:10:35,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:35,733 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:10:35,736 INFO L168 Benchmark]: Toolchain (without parser) took 5844.77 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 63.3 MB in the beginning and 47.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:35,737 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory was 47.4 MB in the beginning and 47.4 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:35,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5827.08 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 63.0 MB in the beginning and 47.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:35,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory was 47.4 MB in the beginning and 47.4 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5827.08 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 63.0 MB in the beginning and 47.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:10:38,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:38,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:38,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:38,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:38,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:38,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:38,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:38,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:38,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:38,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:38,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:38,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:38,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:38,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:38,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:38,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:38,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:38,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:38,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:38,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:38,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:38,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:38,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:38,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:38,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:38,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:38,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:38,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:38,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:38,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:38,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:38,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:38,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:38,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:38,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:38,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:38,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:38,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:38,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:38,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:38,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 01:10:38,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:38,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:38,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:38,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:38,834 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:10:38,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:38,835 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:10:38,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:10:38,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:38,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:10:38,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:10:38,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:10:38,837 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:10:38,838 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:10:38,838 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:10:38,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:10:38,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:38,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:10:38,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:38,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:10:38,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:10:38,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:10:38,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:10:38,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:38,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:10:38,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:10:38,842 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:10:38,843 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:10:38,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:10:38,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:10:38,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:10:38,844 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:/tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-11-30 01:10:39,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:39,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:39,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:39,471 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:39,472 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:39,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-30 01:10:39,554 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/data/c920b1860/ad60633a8b114ec09bb3912b76006b6e/FLAG38de5d639 [2020-11-30 01:10:40,797 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:40,798 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-30 01:10:40,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/data/c920b1860/ad60633a8b114ec09bb3912b76006b6e/FLAG38de5d639 [2020-11-30 01:10:41,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3f24e973-dafd-4f4e-a8c9-08e9b74b26e2/bin/uautomizer/data/c920b1860/ad60633a8b114ec09bb3912b76006b6e [2020-11-30 01:10:41,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:41,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:10:41,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:41,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:41,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:41,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:41" (1/1) ... [2020-11-30 01:10:41,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ac2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:41, skipping insertion in model container [2020-11-30 01:10:41,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:41" (1/1) ... [2020-11-30 01:10:41,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:41,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:47,573 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-30 01:10:47,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f1d040d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:47, skipping insertion in model container [2020-11-30 01:10:47,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:47,576 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:10:47,579 INFO L168 Benchmark]: Toolchain (without parser) took 6437.67 ms. Allocated memory was 56.6 MB in the beginning and 94.4 MB in the end (delta: 37.7 MB). Free memory was 25.0 MB in the beginning and 57.6 MB in the end (delta: -32.6 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:47,580 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 56.6 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:47,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6429.97 ms. Allocated memory was 56.6 MB in the beginning and 94.4 MB in the end (delta: 37.7 MB). Free memory was 24.8 MB in the beginning and 57.6 MB in the end (delta: -32.8 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:47,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 56.6 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6429.97 ms. Allocated memory was 56.6 MB in the beginning and 94.4 MB in the end (delta: 37.7 MB). Free memory was 24.8 MB in the beginning and 57.6 MB in the end (delta: -32.8 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * 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...