./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_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/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_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/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_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/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_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/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 [2020-11-28 03:14:38,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:38,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:38,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:38,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:38,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:38,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:38,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:38,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:38,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:38,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:38,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:38,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:38,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:38,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:38,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:38,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:38,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:38,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:38,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:38,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:38,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:38,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:38,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:38,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:38,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:38,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:38,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:38,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:38,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:38,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:38,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:38,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:38,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:38,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:38,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:38,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:38,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:38,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:38,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:38,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:38,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:14:38,396 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:38,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:38,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:38,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:38,398 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:38,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:38,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:38,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:38,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:38,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:38,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:14:38,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:14:38,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:14:38,400 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:38,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:14:38,400 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:38,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:14:38,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:38,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:38,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:14:38,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:14:38,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:38,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:38,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:14:38,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:14:38,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:14:38,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:14:38,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:14:38,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:38,403 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_18821e53-d4f8-4d91-9aec-016b75572a16/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-11-28 03:14:38,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:38,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:38,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:38,794 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:38,796 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:38,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-28 03:14:38,864 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/data/1b2e3576f/d82495d165c54771ae398f5baf02f148/FLAGf02e0eda5 [2020-11-28 03:14:39,814 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:39,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-28 03:14:39,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/data/1b2e3576f/d82495d165c54771ae398f5baf02f148/FLAGf02e0eda5 [2020-11-28 03:14:40,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/data/1b2e3576f/d82495d165c54771ae398f5baf02f148 [2020-11-28 03:14:40,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:40,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:14:40,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:40,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:40,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:40,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:40" (1/1) ... [2020-11-28 03:14:40,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@154bdd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:40, skipping insertion in model container [2020-11-28 03:14:40,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:40" (1/1) ... [2020-11-28 03:14:40,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:40,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:45,995 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 03:14:45,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5eb23895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:45, skipping insertion in model container [2020-11-28 03:14:45,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:45,996 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:14:45,998 INFO L168 Benchmark]: Toolchain (without parser) took 5753.93 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 66.8 MB in the beginning and 82.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:45,999 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 75.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:46,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5751.28 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 66.8 MB in the beginning and 82.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:46,002 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 94.4 MB. Free memory is still 75.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5751.28 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 66.8 MB in the beginning and 82.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 28.9 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 03:14:48,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:48,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:48,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:48,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:48,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:48,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:48,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:48,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:48,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:48,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:48,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:48,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:48,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:48,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:48,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:48,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:48,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:48,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:48,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:48,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:48,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:48,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:48,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:48,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:48,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:48,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:48,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:48,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:48,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:48,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:48,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:48,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:48,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:48,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:48,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:48,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:48,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:48,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:48,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:48,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:48,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:14:48,943 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:48,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:48,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:48,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:48,948 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:48,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:48,949 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:48,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:48,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:48,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:14:48,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:14:48,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:14:48,952 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:14:48,952 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:14:48,952 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:48,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:14:48,952 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:48,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:14:48,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:48,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:48,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:14:48,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:14:48,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:48,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:48,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:14:48,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:14:48,955 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:14:48,955 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:14:48,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:14:48,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:48,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:14:48,956 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_18821e53-d4f8-4d91-9aec-016b75572a16/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-11-28 03:14:49,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:49,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:49,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:49,487 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:49,488 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:49,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-28 03:14:49,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/data/d7fd6e899/56c03ef4913a417793482442de724f60/FLAGf8b972fcc [2020-11-28 03:14:50,692 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:50,693 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-28 03:14:50,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/data/d7fd6e899/56c03ef4913a417793482442de724f60/FLAGf8b972fcc [2020-11-28 03:14:51,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18821e53-d4f8-4d91-9aec-016b75572a16/bin/uautomizer/data/d7fd6e899/56c03ef4913a417793482442de724f60 [2020-11-28 03:14:51,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:51,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:14:51,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:51,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:51,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:51,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:51" (1/1) ... [2020-11-28 03:14:51,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3b3910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:51, skipping insertion in model container [2020-11-28 03:14:51,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:51" (1/1) ... [2020-11-28 03:14:51,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:51,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:56,103 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 03:14:56,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b32c578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:56, skipping insertion in model container [2020-11-28 03:14:56,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:56,104 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:14:56,107 INFO L168 Benchmark]: Toolchain (without parser) took 5027.93 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 32.7 MB in the beginning and 35.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:56,108 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 52.4 MB. Free memory is still 33.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:56,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5024.33 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 32.5 MB in the beginning and 35.3 MB in the end (delta: -2.8 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:56,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 52.4 MB. Free memory is still 33.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5024.33 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 32.5 MB in the beginning and 35.3 MB in the end (delta: -2.8 MB). Peak memory consumption was 11.3 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...