./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/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_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:12:35,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:12:35,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:12:35,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:12:35,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:12:35,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:12:35,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:12:35,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:12:35,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:12:35,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:12:35,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:12:35,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:12:35,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:12:35,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:12:35,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:12:35,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:12:35,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:12:35,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:12:35,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:12:35,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:12:35,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:12:35,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:12:35,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:12:35,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:12:35,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:12:35,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:12:35,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:12:35,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:12:35,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:12:35,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:12:35,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:12:35,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:12:35,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:12:35,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:12:35,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:12:35,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:12:35,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:12:35,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:12:35,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:12:35,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:12:35,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:12:35,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:12:35,384 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:12:35,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:12:35,385 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:12:35,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:12:35,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:12:35,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:12:35,387 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:12:35,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:12:35,387 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:12:35,387 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:12:35,387 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:12:35,388 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:12:35,388 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:12:35,388 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:12:35,388 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:12:35,389 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:12:35,389 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:12:35,392 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:12:35,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:12:35,394 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:12:35,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:12:35,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:12:35,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:12:35,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:12:35,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:12:35,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:12:35,395 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:12:35,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:12:35,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:12:35,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:12:35,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:12:35,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:12:35,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:12:35,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:12:35,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:12:35,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:12:35,402 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:12:35,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:12:35,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:12:35,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:12:35,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:12:35,403 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_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-20 23:12:35,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:12:35,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:12:35,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:12:35,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:12:35,698 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:12:35,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-20 23:12:35,769 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/data/dca7afbf9/08fb5d96d5c64bd2b49dbcba6e08c5ec/FLAG281fc1816 [2021-11-20 23:12:36,630 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:12:36,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-20 23:12:36,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/data/dca7afbf9/08fb5d96d5c64bd2b49dbcba6e08c5ec/FLAG281fc1816 [2021-11-20 23:12:37,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/data/dca7afbf9/08fb5d96d5c64bd2b49dbcba6e08c5ec [2021-11-20 23:12:37,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:12:37,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:12:37,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:37,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:12:37,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:12:37,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:37" (1/1) ... [2021-11-20 23:12:37,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6489e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:37, skipping insertion in model container [2021-11-20 23:12:37,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:37" (1/1) ... [2021-11-20 23:12:37,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:12:37,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:12:37,650 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_cb152075-6713-4443-8583-669750befca9/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-20 23:12:42,253 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 23:12:42,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6346a458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:42, skipping insertion in model container [2021-11-20 23:12:42,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:42,254 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:12:42,256 INFO L158 Benchmark]: Toolchain (without parser) took 5129.94ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 54.4MB in the beginning and 82.3MB in the end (delta: -27.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 23:12:42,257 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:12:42,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5126.88ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 54.2MB in the beginning and 82.3MB in the end (delta: -28.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 23:12:42,259 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5126.88ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 54.2MB in the beginning and 82.3MB in the end (delta: -28.1MB). Peak memory consumption was 12.6MB. 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_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/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_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:12:44,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:12:44,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:12:44,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:12:44,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:12:44,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:12:44,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:12:44,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:12:44,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:12:44,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:12:44,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:12:44,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:12:44,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:12:44,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:12:44,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:12:44,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:12:44,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:12:44,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:12:44,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:12:44,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:12:44,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:12:44,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:12:44,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:12:44,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:12:44,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:12:44,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:12:44,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:12:44,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:12:44,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:12:44,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:12:44,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:12:44,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:12:44,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:12:44,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:12:44,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:12:44,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:12:44,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:12:44,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:12:44,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:12:44,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:12:44,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:12:44,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:12:44,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:12:44,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:12:44,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:12:44,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:12:44,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:12:44,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:12:44,749 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:12:44,749 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:12:44,749 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:12:44,749 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:12:44,750 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:12:44,750 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:12:44,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:12:44,751 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:12:44,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:12:44,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:12:44,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:12:44,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:12:44,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:12:44,752 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:12:44,752 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:12:44,753 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:12:44,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:12:44,753 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:12:44,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:12:44,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:12:44,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:12:44,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:12:44,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:12:44,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:12:44,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:12:44,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:12:44,755 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:12:44,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:12:44,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:12:44,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:12:44,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:12:44,756 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_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-20 23:12:45,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:12:45,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:12:45,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:12:45,201 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:12:45,202 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:12:45,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-20 23:12:45,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/data/17d968491/3b4e7bc9957545c8ae502f63091af393/FLAGa0106d000 [2021-11-20 23:12:46,245 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:12:46,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-20 23:12:46,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/data/17d968491/3b4e7bc9957545c8ae502f63091af393/FLAGa0106d000 [2021-11-20 23:12:46,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb152075-6713-4443-8583-669750befca9/bin/utaipan-TEXQjIfE4P/data/17d968491/3b4e7bc9957545c8ae502f63091af393 [2021-11-20 23:12:46,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:12:46,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:12:46,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:46,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:12:46,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:12:46,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:46,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3026cf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:46, skipping insertion in model container [2021-11-20 23:12:46,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:46" (1/1) ... [2021-11-20 23:12:46,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:12:46,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:12:47,275 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_cb152075-6713-4443-8583-669750befca9/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-20 23:12:50,502 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 23:12:50,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@280cb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:50, skipping insertion in model container [2021-11-20 23:12:50,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:50,503 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:12:50,505 INFO L158 Benchmark]: Toolchain (without parser) took 3833.94ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.5MB in the beginning and 37.9MB in the end (delta: -6.3MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2021-11-20 23:12:50,510 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:12:50,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3830.51ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.3MB in the beginning and 37.9MB in the end (delta: -6.6MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2021-11-20 23:12:50,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3830.51ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.3MB in the beginning and 37.9MB in the end (delta: -6.6MB). Peak memory consumption was 23.6MB. 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