./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:48:25,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:48:25,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:48:25,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:48:25,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:48:25,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:48:25,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:48:25,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:48:25,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:48:25,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:48:25,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:48:25,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:48:25,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:48:25,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:48:25,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:48:25,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:48:25,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:48:25,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:48:25,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:48:25,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:48:25,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:48:25,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:48:25,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:48:25,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:48:25,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:48:25,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:48:25,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:48:25,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:48:25,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:48:25,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:48:25,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:48:25,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:48:25,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:48:25,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:48:25,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:48:25,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:48:25,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:48:25,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:48:25,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:48:25,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:48:25,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:48:25,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 09:48:25,532 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:48:25,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:48:25,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:48:25,535 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:48:25,535 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:48:25,536 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:48:25,536 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:48:25,536 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:48:25,544 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:48:25,544 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:48:25,546 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:48:25,546 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:48:25,546 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:48:25,547 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:48:25,547 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:48:25,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:48:25,549 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:48:25,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:48:25,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:48:25,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:48:25,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:48:25,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:48:25,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:48:25,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:48:25,551 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:48:25,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:48:25,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:48:25,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:48:25,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:48:25,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:48:25,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:48:25,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:48:25,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:48:25,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:48:25,554 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:48:25,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:48:25,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:48:25,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:48:25,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:48:25,555 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-10-24 09:48:25,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:48:25,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:48:25,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:48:25,972 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:48:25,973 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:48:25,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-24 09:48:26,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/data/6249b74ef/d48053cc292a44abb6b3e6c908ac3477/FLAGeda8feaaa [2021-10-24 09:48:27,233 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:48:27,234 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-24 09:48:27,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/data/6249b74ef/d48053cc292a44abb6b3e6c908ac3477/FLAGeda8feaaa [2021-10-24 09:48:27,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/data/6249b74ef/d48053cc292a44abb6b3e6c908ac3477 [2021-10-24 09:48:27,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:48:27,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:48:27,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:48:27,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:48:27,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:48:27,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:48:27" (1/1) ... [2021-10-24 09:48:27,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee74787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:27, skipping insertion in model container [2021-10-24 09:48:27,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:48:27" (1/1) ... [2021-10-24 09:48:27,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:48:27,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:48:28,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-24 09:48:33,669 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-24 09:48:33,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6239208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:33, skipping insertion in model container [2021-10-24 09:48:33,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:48:33,671 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 09:48:33,673 INFO L168 Benchmark]: Toolchain (without parser) took 6098.89 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 60.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-10-24 09:48:33,674 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory is still 81.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:48:33,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6096.33 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 60.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-10-24 09:48:33,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory is still 81.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6096.33 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 60.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 32.0 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 0.2.1-dev-e943c26 [2021-10-24 09:48:36,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:48:36,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:48:36,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:48:36,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:48:36,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:48:36,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:48:36,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:48:36,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:48:36,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:48:36,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:48:36,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:48:36,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:48:36,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:48:36,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:48:36,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:48:36,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:48:36,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:48:36,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:48:36,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:48:36,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:48:36,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:48:36,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:48:36,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:48:36,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:48:36,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:48:36,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:48:36,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:48:36,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:48:36,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:48:36,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:48:36,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:48:36,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:48:36,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:48:36,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:48:36,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:48:36,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:48:36,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:48:36,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:48:36,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:48:36,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:48:36,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 09:48:36,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:48:36,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:48:36,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:48:36,612 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:48:36,612 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:48:36,612 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:48:36,613 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:48:36,613 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:48:36,613 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:48:36,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:48:36,616 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:48:36,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:48:36,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:48:36,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:48:36,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:48:36,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:48:36,618 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:48:36,618 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 09:48:36,619 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 09:48:36,619 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:48:36,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:48:36,620 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:48:36,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:48:36,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:48:36,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 09:48:36,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:48:36,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:48:36,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:48:36,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:48:36,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:48:36,622 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 09:48:36,623 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 09:48:36,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:48:36,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:48:36,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:48:36,624 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_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-10-24 09:48:37,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:48:37,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:48:37,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:48:37,175 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:48:37,176 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:48:37,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-24 09:48:37,275 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/data/f5f581268/ccd7b9077f684d009cef848a8e8658da/FLAGb2d6e0eb5 [2021-10-24 09:48:38,487 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:48:38,488 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-24 09:48:38,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/data/f5f581268/ccd7b9077f684d009cef848a8e8658da/FLAGb2d6e0eb5 [2021-10-24 09:48:38,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/bin/utaipan-9zjyvhn0QE/data/f5f581268/ccd7b9077f684d009cef848a8e8658da [2021-10-24 09:48:38,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:48:38,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:48:38,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:48:38,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:48:38,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:48:38,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:48:38" (1/1) ... [2021-10-24 09:48:38,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aaecaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:38, skipping insertion in model container [2021-10-24 09:48:38,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:48:38" (1/1) ... [2021-10-24 09:48:38,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:48:38,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:48:39,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c40e26-9711-43e3-93e1-e12e3bb54bab/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-24 09:48:44,512 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-24 09:48:44,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58de931e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:48:44, skipping insertion in model container [2021-10-24 09:48:44,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:48:44,514 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 09:48:44,516 INFO L168 Benchmark]: Toolchain (without parser) took 5937.78 ms. Allocated memory was 52.4 MB in the beginning and 88.1 MB in the end (delta: 35.7 MB). Free memory was 28.4 MB in the beginning and 53.8 MB in the end (delta: -25.4 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:48:44,518 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 52.4 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:48:44,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5931.51 ms. Allocated memory was 52.4 MB in the beginning and 88.1 MB in the end (delta: 35.7 MB). Free memory was 28.3 MB in the beginning and 54.2 MB in the end (delta: -25.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:48:44,521 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 52.4 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5931.51 ms. Allocated memory was 52.4 MB in the beginning and 88.1 MB in the end (delta: 35.7 MB). Free memory was 28.3 MB in the beginning and 54.2 MB in the end (delta: -25.9 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...