./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.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_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/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 eefa9a333e1ee4770c037634061df0061348ca43 ................................................................................................................................ 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_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/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 eefa9a333e1ee4770c037634061df0061348ca43 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:06:20,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:06:20,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:06:20,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:06:20,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:06:20,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:06:20,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:06:20,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:06:20,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:06:20,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:06:20,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:06:20,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:06:20,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:06:20,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:06:20,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:06:20,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:06:20,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:06:20,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:06:20,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:06:20,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:06:20,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:06:20,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:06:20,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:06:20,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:06:20,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:06:20,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:06:20,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:06:20,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:06:20,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:06:20,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:06:20,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:06:20,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:06:20,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:06:20,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:06:20,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:06:20,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:06:20,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:06:20,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:06:20,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:06:20,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:06:20,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:06:20,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:06:20,972 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:06:20,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:06:20,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:06:20,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:06:20,975 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:06:20,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:06:20,975 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:06:20,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:06:20,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:06:20,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:06:20,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:06:20,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:06:20,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:06:20,977 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:06:20,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:06:20,977 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:06:20,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:06:20,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:06:20,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:06:20,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:06:20,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:06:20,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:06:20,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:06:20,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:06:20,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:06:20,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:06:20,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:06:20,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:06:20,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:06:20,980 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_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-11-28 03:06:21,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:06:21,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:06:21,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:06:21,304 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:06:21,305 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:06:21,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-11-28 03:06:21,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/data/235163e78/dfdf7ce03bad487aa88e0d43b8bf6364/FLAG560f7abe9 [2020-11-28 03:06:22,387 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:06:22,388 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-11-28 03:06:22,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/data/235163e78/dfdf7ce03bad487aa88e0d43b8bf6364/FLAG560f7abe9 [2020-11-28 03:06:22,797 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/data/235163e78/dfdf7ce03bad487aa88e0d43b8bf6364 [2020-11-28 03:06:22,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:06:22,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:06:22,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:22,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:06:22,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:06:22,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:22" (1/1) ... [2020-11-28 03:06:22,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf51763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:22, skipping insertion in model container [2020-11-28 03:06:22,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:22" (1/1) ... [2020-11-28 03:06:22,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:06:22,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:06:26,962 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 03:06:26,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@304a89f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:26, skipping insertion in model container [2020-11-28 03:06:26,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:26,963 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:06:26,965 INFO L168 Benchmark]: Toolchain (without parser) took 4163.23 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 71.2 MB in the beginning and 106.9 MB in the end (delta: -35.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:26,966 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:26,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4160.36 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 71.0 MB in the beginning and 106.9 MB in the end (delta: -35.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:26,969 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4160.36 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 71.0 MB in the beginning and 106.9 MB in the end (delta: -35.9 MB). Peak memory consumption was 26.9 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 [2020-11-28 03:06:29,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:06:29,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:06:29,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:06:29,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:06:29,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:06:29,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:06:29,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:06:29,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:06:29,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:06:29,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:06:29,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:06:29,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:06:29,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:06:29,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:06:29,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:06:29,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:06:29,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:06:29,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:06:29,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:06:29,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:06:29,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:06:29,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:06:29,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:06:29,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:06:29,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:06:29,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:06:29,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:06:29,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:06:29,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:06:29,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:06:29,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:06:29,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:06:29,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:06:29,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:06:29,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:06:29,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:06:29,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:06:29,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:06:29,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:06:29,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:06:29,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:06:29,734 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:06:29,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:06:29,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:06:29,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:06:29,738 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:06:29,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:06:29,739 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:06:29,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:06:29,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:06:29,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:06:29,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:06:29,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:06:29,741 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:06:29,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:06:29,741 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:06:29,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:06:29,742 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:06:29,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:06:29,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:06:29,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:06:29,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:06:29,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:06:29,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:06:29,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:06:29,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:06:29,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:06:29,744 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:06:29,744 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:06:29,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:06:29,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:06:29,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:06:29,745 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_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-11-28 03:06:30,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:06:30,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:06:30,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:06:30,210 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:06:30,211 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:06:30,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-11-28 03:06:30,294 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/data/2c3c72610/03a41e9775b148aab6a6d9ec463677c5/FLAG06805ed65 [2020-11-28 03:06:31,345 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:06:31,346 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-11-28 03:06:31,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/data/2c3c72610/03a41e9775b148aab6a6d9ec463677c5/FLAG06805ed65 [2020-11-28 03:06:31,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a5ef4e8c-0434-4896-a089-1d4fa8fe89e0/bin/uautomizer/data/2c3c72610/03a41e9775b148aab6a6d9ec463677c5 [2020-11-28 03:06:31,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:06:31,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:06:31,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:31,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:06:31,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:06:31,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:31" (1/1) ... [2020-11-28 03:06:31,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b60424f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31, skipping insertion in model container [2020-11-28 03:06:31,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:31" (1/1) ... [2020-11-28 03:06:31,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:06:31,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:06:36,053 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 03:06:36,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e4d49da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:36, skipping insertion in model container [2020-11-28 03:06:36,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:36,054 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:06:36,057 INFO L168 Benchmark]: Toolchain (without parser) took 4261.72 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 26.9 MB in the beginning and 35.0 MB in the end (delta: -8.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:36,058 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 41.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:36,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4256.12 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 26.6 MB in the beginning and 35.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:36,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 41.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4256.12 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 26.6 MB in the beginning and 35.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 14.4 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...