./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V --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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:36:50,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:36:50,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:36:50,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:36:50,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:36:50,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:36:50,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:36:50,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:36:50,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:36:50,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:36:50,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:36:50,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:36:50,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:36:50,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:36:50,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:36:50,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:36:50,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:36:50,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:36:50,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:36:50,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:36:50,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:36:50,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:36:50,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:36:50,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:36:50,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:36:50,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:36:50,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:36:50,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:36:50,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:36:50,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:36:50,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:36:50,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:36:50,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:36:50,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:36:50,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:36:50,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:36:50,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:36:50,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:36:50,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:36:50,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:36:50,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:36:50,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:36:50,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:36:50,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:36:50,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:36:50,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:36:50,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:36:50,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:36:50,546 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:36:50,546 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:36:50,546 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:36:50,547 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:36:50,547 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:36:50,547 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:36:50,548 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:36:50,548 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:36:50,548 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:36:50,549 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:36:50,549 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:36:50,549 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:36:50,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:36:50,550 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:36:50,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:36:50,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:36:50,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:36:50,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:36:50,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:36:50,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:36:50,552 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:36:50,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:36:50,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:36:50,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:36:50,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:36:50,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:36:50,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:36:50,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:36:50,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:36:50,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:36:50,555 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:36:50,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:36:50,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:36:50,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:36:50,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:36:50,556 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_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-11-23 03:36:50,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:36:50,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:36:50,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:36:50,915 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:36:50,916 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:36:50,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-23 03:36:51,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/data/ffd323120/2c84572070dc4dcab98d9409810a5d47/FLAG08522fa1a [2021-11-23 03:36:52,073 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:36:52,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-23 03:36:52,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/data/ffd323120/2c84572070dc4dcab98d9409810a5d47/FLAG08522fa1a [2021-11-23 03:36:52,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/data/ffd323120/2c84572070dc4dcab98d9409810a5d47 [2021-11-23 03:36:52,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:36:52,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:36:52,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:36:52,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:36:52,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:36:52,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:52" (1/1) ... [2021-11-23 03:36:52,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2933ab0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:52, skipping insertion in model container [2021-11-23 03:36:52,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:52" (1/1) ... [2021-11-23 03:36:52,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:36:52,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:36:53,151 WARN L230 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_e65f8efd-fcd1-46d9-932c-ed40c53284ed/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-11-23 03:36:58,375 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 03:36:58,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cf5d537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:58, skipping insertion in model container [2021-11-23 03:36:58,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:36:58,378 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:36:58,381 INFO L158 Benchmark]: Toolchain (without parser) took 5968.17ms. Allocated memory is still 113.2MB. Free memory was 69.3MB in the beginning and 73.2MB in the end (delta: -3.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-23 03:36:58,383 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:36:58,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5964.71ms. Allocated memory is still 113.2MB. Free memory was 69.1MB in the beginning and 73.2MB in the end (delta: -4.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-23 03:36:58,388 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5964.71ms. Allocated memory is still 113.2MB. Free memory was 69.1MB in the beginning and 73.2MB in the end (delta: -4.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V --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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:37:01,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:37:01,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:37:01,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:37:01,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:37:01,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:37:01,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:37:01,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:37:01,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:37:01,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:37:01,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:37:01,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:37:01,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:37:01,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:37:01,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:37:01,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:37:01,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:37:01,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:37:01,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:37:01,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:37:01,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:37:01,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:37:01,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:37:01,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:37:01,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:37:01,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:37:01,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:37:01,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:37:01,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:37:01,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:37:01,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:37:01,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:37:01,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:37:01,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:37:01,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:37:01,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:37:01,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:37:01,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:37:01,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:37:01,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:37:01,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:37:01,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 03:37:01,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:37:01,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:37:01,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:37:01,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:37:01,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:37:01,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:37:01,304 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:37:01,304 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:37:01,304 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:37:01,304 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:37:01,306 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:37:01,306 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:37:01,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:37:01,308 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:37:01,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:37:01,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:37:01,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:37:01,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:37:01,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:37:01,310 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:37:01,310 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:37:01,310 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:37:01,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:37:01,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:37:01,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:37:01,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:37:01,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:37:01,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:37:01,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:37:01,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:37:01,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:37:01,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:37:01,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:37:01,314 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:37:01,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:37:01,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:37:01,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:37:01,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:37:01,315 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_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-11-23 03:37:01,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:37:01,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:37:01,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:37:01,846 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:37:01,847 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:37:01,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-23 03:37:01,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/data/0cb628881/2af75f60702d44a7b318e98f65648ae4/FLAG3ea037bb6 [2021-11-23 03:37:03,207 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:37:03,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-23 03:37:03,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/data/0cb628881/2af75f60702d44a7b318e98f65648ae4/FLAG3ea037bb6 [2021-11-23 03:37:03,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e65f8efd-fcd1-46d9-932c-ed40c53284ed/bin/utaipan-EQgc7hIp5V/data/0cb628881/2af75f60702d44a7b318e98f65648ae4 [2021-11-23 03:37:03,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:37:03,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:37:03,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:37:03,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:37:03,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:37:03,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:03" (1/1) ... [2021-11-23 03:37:03,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2fd947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:03, skipping insertion in model container [2021-11-23 03:37:03,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:03" (1/1) ... [2021-11-23 03:37:03,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:37:03,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:37:04,284 WARN L230 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_e65f8efd-fcd1-46d9-932c-ed40c53284ed/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-11-23 03:37:08,553 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 03:37:08,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11ba50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:08, skipping insertion in model container [2021-11-23 03:37:08,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:37:08,555 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:37:08,557 INFO L158 Benchmark]: Toolchain (without parser) took 4991.41ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 29.2MB in the beginning and 36.5MB in the end (delta: -7.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 03:37:08,558 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 60.8MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:37:08,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4988.41ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 36.5MB in the end (delta: -7.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 03:37:08,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 60.8MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4988.41ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 36.5MB in the end (delta: -7.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN