./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI --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 3be8737422649a962e56b08bad0231d16298e713 ........................................................................................................................................... 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_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI --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 3be8737422649a962e56b08bad0231d16298e713 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:44,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:44,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:44,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:44,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:44,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:44,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:44,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:44,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:44,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:44,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:44,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:44,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:44,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:44,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:44,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:44,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:44,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:44,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:44,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:44,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:44,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:44,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:44,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:44,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:44,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:44,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:44,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:44,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:44,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:44,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:44,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:44,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:44,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:44,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:44,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:44,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:44,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:44,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:44,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:44,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:44,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:44,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:44,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:44,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:44,500 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:44,500 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:44,500 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:44,500 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:44,508 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:44,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:44,508 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:44,509 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:44,510 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:44,510 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:44,510 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:44,511 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:44,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:44,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:44,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:44,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:44,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:44,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:44,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:44,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:44,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:44,514 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:44,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:44,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:44,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:44,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:44,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:44,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:44,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:44,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:44,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:44,516 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:44,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:44,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:44,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:44,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:44,518 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_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2021-10-11 02:30:44,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:44,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:44,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:44,878 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:44,879 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:44,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-11 02:30:44,974 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/data/f3ee40159/fbc1847c3a14436bb540ac9e7ef1d112/FLAG8ebd02446 [2021-10-11 02:30:45,910 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:45,911 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-11 02:30:45,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/data/f3ee40159/fbc1847c3a14436bb540ac9e7ef1d112/FLAG8ebd02446 [2021-10-11 02:30:46,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/data/f3ee40159/fbc1847c3a14436bb540ac9e7ef1d112 [2021-10-11 02:30:46,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:46,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:46,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:46,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:46,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:46,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:46" (1/1) ... [2021-10-11 02:30:46,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4756dff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:46, skipping insertion in model container [2021-10-11 02:30:46,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:46" (1/1) ... [2021-10-11 02:30:46,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:46,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:46,957 WARN L226 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_fb07e47b-9b85-473e-b591-f80727de91e0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-11 02:30:50,674 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-11 02:30:50,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74bc199f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:50, skipping insertion in model container [2021-10-11 02:30:50,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:50,676 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:50,678 INFO L168 Benchmark]: Toolchain (without parser) took 4297.31 ms. Allocated memory was 113.2 MB in the beginning and 161.5 MB in the end (delta: 48.2 MB). Free memory was 68.4 MB in the beginning and 122.0 MB in the end (delta: -53.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:50,679 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:50,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4294.17 ms. Allocated memory was 113.2 MB in the beginning and 161.5 MB in the end (delta: 48.2 MB). Free memory was 68.4 MB in the beginning and 122.0 MB in the end (delta: -53.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:50,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4294.17 ms. Allocated memory was 113.2 MB in the beginning and 161.5 MB in the end (delta: 48.2 MB). Free memory was 68.4 MB in the beginning and 122.0 MB in the end (delta: -53.6 MB). Peak memory consumption was 26.3 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:52,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:52,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:53,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:53,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:53,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:53,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:53,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:53,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:53,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:53,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:53,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:53,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:53,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:53,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:53,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:53,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:53,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:53,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:53,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:53,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:53,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:53,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:53,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:53,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:53,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:53,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:53,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:53,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:53,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:53,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:53,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:53,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:53,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:53,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:53,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:53,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:53,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:53,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:53,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:53,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:53,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:53,181 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:53,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:53,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:53,184 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:53,185 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:53,185 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:53,185 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:53,185 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:53,186 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:53,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:53,188 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:53,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:53,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:53,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:53,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:53,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:53,190 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:53,190 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:53,191 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:53,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:53,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:53,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:53,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:53,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:53,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:53,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:53,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:53,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:53,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:53,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:53,194 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:53,194 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:53,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:53,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:53,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:53,195 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_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2021-10-11 02:30:53,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:53,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:53,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:53,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:53,619 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:53,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-11 02:30:53,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/data/c598451fe/7baba914e63a402bbbbc430f0d539653/FLAG69e5e8958 [2021-10-11 02:30:54,841 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:54,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-11 02:30:54,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/data/c598451fe/7baba914e63a402bbbbc430f0d539653/FLAG69e5e8958 [2021-10-11 02:30:55,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb07e47b-9b85-473e-b591-f80727de91e0/bin/utaipan-WLngWcDbfI/data/c598451fe/7baba914e63a402bbbbc430f0d539653 [2021-10-11 02:30:55,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:55,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:55,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:55,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:55,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:55,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:55" (1/1) ... [2021-10-11 02:30:55,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f24f480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:55, skipping insertion in model container [2021-10-11 02:30:55,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:55" (1/1) ... [2021-10-11 02:30:55,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:55,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:55,783 WARN L226 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_fb07e47b-9b85-473e-b591-f80727de91e0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-11 02:30:59,595 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-11 02:30:59,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@14f27a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:59, skipping insertion in model container [2021-10-11 02:30:59,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:59,597 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:59,599 INFO L168 Benchmark]: Toolchain (without parser) took 4412.50 ms. Allocated memory was 71.3 MB in the beginning and 102.8 MB in the end (delta: 31.5 MB). Free memory was 42.3 MB in the beginning and 69.9 MB in the end (delta: -27.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:59,600 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 71.3 MB. Free memory is still 52.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:59,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4407.26 ms. Allocated memory was 71.3 MB in the beginning and 102.8 MB in the end (delta: 31.5 MB). Free memory was 42.1 MB in the beginning and 69.9 MB in the end (delta: -27.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:59,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 71.3 MB. Free memory is still 52.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4407.26 ms. Allocated memory was 71.3 MB in the beginning and 102.8 MB in the end (delta: 31.5 MB). Free memory was 42.1 MB in the beginning and 69.9 MB in the end (delta: -27.8 MB). Peak memory consumption was 27.1 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...