./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_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_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/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 3be8737422649a962e56b08bad0231d16298e713 ................................................................................................................................ 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_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/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 3be8737422649a962e56b08bad0231d16298e713 .................................................................................................................................. 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 03:17:15,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:15,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:15,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:15,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:15,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:15,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:15,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:15,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:15,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:15,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:15,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:15,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:15,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:15,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:15,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:15,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:15,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:15,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:15,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:15,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:15,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:15,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:15,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:15,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:15,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:15,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:15,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:15,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:15,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:15,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:15,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:15,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:15,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:15,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:15,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:15,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:15,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:15,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:15,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:15,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:15,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:17:15,195 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:15,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:15,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:15,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:15,197 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:15,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:15,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:17:15,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:15,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:17:15,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:15,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:17:15,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:17:15,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:17:15,199 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:17:15,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:15,199 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:15,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:17:15,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:15,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:15,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:17:15,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:17:15,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:17:15,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:15,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:17:15,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:17:15,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:15,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:17:15,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:17:15,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:15,202 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_c166c434-ee8f-4bcb-b124-dda7504efbb3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-11-28 03:17:15,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:15,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:15,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:15,476 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:15,479 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:15,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 03:17:15,562 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/data/01f452f34/25a70cdc1832475ba9e9ad71b3871974/FLAGec5fcd20e [2020-11-28 03:17:16,473 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:16,474 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 03:17:16,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/data/01f452f34/25a70cdc1832475ba9e9ad71b3871974/FLAGec5fcd20e [2020-11-28 03:17:16,877 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/data/01f452f34/25a70cdc1832475ba9e9ad71b3871974 [2020-11-28 03:17:16,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:16,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:16,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:16,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:16,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:16,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:16" (1/1) ... [2020-11-28 03:17:16,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f1bf51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:16, skipping insertion in model container [2020-11-28 03:17:16,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:16" (1/1) ... [2020-11-28 03:17:16,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:17,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:20,908 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 03:17:20,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28f33b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20, skipping insertion in model container [2020-11-28 03:17:20,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:20,910 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:17:20,912 INFO L168 Benchmark]: Toolchain (without parser) took 4030.34 ms. Allocated memory is still 107.0 MB. Free memory was 64.8 MB in the beginning and 69.5 MB in the end (delta: -4.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:20,913 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:20,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4026.00 ms. Allocated memory is still 107.0 MB. Free memory was 64.6 MB in the beginning and 69.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:20,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4026.00 ms. Allocated memory is still 107.0 MB. Free memory was 64.6 MB in the beginning and 69.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 18.9 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 03:17:23,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:23,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:23,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:23,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:23,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:23,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:23,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:23,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:23,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:23,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:23,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:23,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:23,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:23,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:23,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:23,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:23,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:23,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:23,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:23,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:23,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:23,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:23,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:23,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:23,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:23,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:23,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:23,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:23,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:23,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:23,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:23,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:23,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:23,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:23,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:23,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:23,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:23,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:23,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:23,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:23,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:17:23,373 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:23,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:23,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:23,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:23,375 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:23,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:23,376 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:17:23,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:17:23,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:23,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:17:23,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:17:23,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:17:23,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:17:23,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:17:23,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:17:23,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:23,378 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:23,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:17:23,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:23,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:23,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:17:23,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:17:23,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:17:23,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:23,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:17:23,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:17:23,380 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:17:23,380 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:17:23,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:17:23,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:23,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:17:23,381 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_c166c434-ee8f-4bcb-b124-dda7504efbb3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-11-28 03:17:23,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:23,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:23,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:23,817 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:23,818 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:23,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 03:17:23,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/data/552927ae8/b8841fefd3a2493e90348d69842c4842/FLAG5e74cd92f [2020-11-28 03:17:24,822 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:24,822 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 03:17:24,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/data/552927ae8/b8841fefd3a2493e90348d69842c4842/FLAG5e74cd92f [2020-11-28 03:17:25,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c166c434-ee8f-4bcb-b124-dda7504efbb3/bin/uautomizer/data/552927ae8/b8841fefd3a2493e90348d69842c4842 [2020-11-28 03:17:25,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:25,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:25,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:25,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:25,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:25,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:25" (1/1) ... [2020-11-28 03:17:25,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47812dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:25, skipping insertion in model container [2020-11-28 03:17:25,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:25" (1/1) ... [2020-11-28 03:17:25,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:25,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:29,064 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 03:17:29,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2dd297c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:29, skipping insertion in model container [2020-11-28 03:17:29,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:29,066 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:17:29,068 INFO L168 Benchmark]: Toolchain (without parser) took 3769.42 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 21.7 MB in the beginning and 34.9 MB in the end (delta: -13.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:29,069 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:29,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3766.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 21.5 MB in the beginning and 34.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:29,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3766.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 21.5 MB in the beginning and 34.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 15.2 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...