./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_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_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/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 6a12094a8f4406ebf79a2184ba1d0efcca615660 ................................................................................................................................ 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_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/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 6a12094a8f4406ebf79a2184ba1d0efcca615660 .................................................................................................................................. 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 03:20:28,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:28,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:28,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:28,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:28,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:28,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:28,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:28,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:28,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:28,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:28,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:28,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:28,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:28,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:28,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:28,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:28,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:28,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:28,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:28,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:28,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:28,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:28,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:28,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:28,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:28,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:28,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:28,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:28,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:28,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:28,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:28,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:28,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:28,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:28,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:28,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:28,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:28,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:28,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:28,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:28,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:20:28,449 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:28,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:28,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:28,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:28,456 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:28,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:28,457 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:28,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:28,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:28,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:28,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:28,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:28,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:28,460 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:28,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:28,460 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:28,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:28,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:28,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:28,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:28,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:28,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:28,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:28,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:28,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:28,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:28,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:20:28,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:28,464 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:28,464 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_28a69c0c-5d51-4f96-ac4a-ef4381121ced/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2020-11-28 03:20:28,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:28,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:28,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:28,803 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:28,804 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:28,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-28 03:20:28,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/data/807739ecc/d74010051ce94f8fb5df16e6ad7def76/FLAG29ef23b39 [2020-11-28 03:20:29,946 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:29,947 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-28 03:20:30,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/data/807739ecc/d74010051ce94f8fb5df16e6ad7def76/FLAG29ef23b39 [2020-11-28 03:20:30,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/data/807739ecc/d74010051ce94f8fb5df16e6ad7def76 [2020-11-28 03:20:30,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:30,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:30,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:30,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:30,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:30,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:30" (1/1) ... [2020-11-28 03:20:30,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26966843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:30, skipping insertion in model container [2020-11-28 03:20:30,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:30" (1/1) ... [2020-11-28 03:20:30,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:30,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:35,069 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 03:20:35,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d735562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:35, skipping insertion in model container [2020-11-28 03:20:35,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:35,071 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:20:35,074 INFO L168 Benchmark]: Toolchain (without parser) took 4719.53 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.9 MB in the beginning and 69.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:35,075 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 73.4 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:35,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4716.27 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.7 MB in the beginning and 70.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:35,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 73.4 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4716.27 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 53.7 MB in the beginning and 70.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 22.1 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 03:20:37,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:37,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:37,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:37,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:37,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:37,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:37,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:37,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:37,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:37,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:37,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:37,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:37,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:37,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:37,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:37,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:37,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:37,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:37,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:37,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:37,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:37,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:37,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:37,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:37,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:37,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:37,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:37,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:37,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:37,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:37,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:37,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:37,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:37,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:37,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:37,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:37,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:37,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:37,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:37,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:37,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:20:37,935 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:37,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:37,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:37,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:37,939 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:37,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:37,939 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:37,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:37,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:37,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:37,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:37,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:37,942 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:20:37,942 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:20:37,942 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:37,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:37,943 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:37,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:37,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:37,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:37,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:37,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:37,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:37,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:37,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:37,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:37,945 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:20:37,945 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:20:37,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:37,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:37,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:20:37,946 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_28a69c0c-5d51-4f96-ac4a-ef4381121ced/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2020-11-28 03:20:38,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:38,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:38,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:38,358 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:38,359 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:38,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-28 03:20:38,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/data/7ec3e579a/ba1ceeb05f0e450f943e8d2353a2acf1/FLAGa3e357921 [2020-11-28 03:20:39,480 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:39,481 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-28 03:20:39,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/data/7ec3e579a/ba1ceeb05f0e450f943e8d2353a2acf1/FLAGa3e357921 [2020-11-28 03:20:39,929 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_28a69c0c-5d51-4f96-ac4a-ef4381121ced/bin/uautomizer/data/7ec3e579a/ba1ceeb05f0e450f943e8d2353a2acf1 [2020-11-28 03:20:39,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:39,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:39,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:39,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:39,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:39,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:39" (1/1) ... [2020-11-28 03:20:39,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103837d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:39, skipping insertion in model container [2020-11-28 03:20:39,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:39" (1/1) ... [2020-11-28 03:20:39,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:40,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:43,929 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 03:20:43,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@747c00f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:43, skipping insertion in model container [2020-11-28 03:20:43,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:43,930 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 03:20:43,933 INFO L168 Benchmark]: Toolchain (without parser) took 3996.36 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 35.2 MB in the beginning and 41.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:43,934 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 46.1 MB. Free memory was 29.2 MB in the beginning and 29.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:43,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3990.76 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 34.9 MB in the beginning and 41.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:43,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 46.1 MB. Free memory was 29.2 MB in the beginning and 29.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3990.76 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 34.9 MB in the beginning and 41.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 21.9 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...