./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.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_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:45:06,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:45:06,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:45:06,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:45:06,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:45:06,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:45:06,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:45:06,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:45:06,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:45:06,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:45:06,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:45:06,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:45:06,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:45:06,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:45:06,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:45:06,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:45:06,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:45:06,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:45:06,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:45:06,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:45:06,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:45:06,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:45:06,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:45:06,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:45:06,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:45:06,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:45:06,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:45:06,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:45:06,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:45:06,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:45:06,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:45:06,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:45:06,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:45:06,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:45:06,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:45:06,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:45:06,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:45:06,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:45:06,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:45:06,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:45:06,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:45:06,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:45:06,316 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:45:06,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:45:06,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:45:06,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:45:06,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:45:06,318 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:45:06,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:45:06,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:45:06,319 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:45:06,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:45:06,320 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:45:06,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:45:06,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:45:06,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:45:06,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:45:06,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:45:06,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:45:06,321 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:45:06,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:45:06,322 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:45:06,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:45:06,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:45:06,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:45:06,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:45:06,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:45:06,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:45:06,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:45:06,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:45:06,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:45:06,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:45:06,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:45:06,324 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:45:06,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:45:06,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:45:06,325 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:45:06,325 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:45:06,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-19 05:45:06,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:45:06,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:45:06,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:45:06,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:45:06,601 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:45:06,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-19 05:45:06,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/data/ffd9dcb9e/0881f507e9ad4ded9b75b6951afded1b/FLAG50b6d0afe [2021-11-19 05:45:07,591 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:45:07,592 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-19 05:45:07,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/data/ffd9dcb9e/0881f507e9ad4ded9b75b6951afded1b/FLAG50b6d0afe [2021-11-19 05:45:08,059 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/data/ffd9dcb9e/0881f507e9ad4ded9b75b6951afded1b [2021-11-19 05:45:08,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:45:08,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:45:08,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:45:08,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:45:08,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:45:08,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:45:08" (1/1) ... [2021-11-19 05:45:08,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab750b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:08, skipping insertion in model container [2021-11-19 05:45:08,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:45:08" (1/1) ... [2021-11-19 05:45:08,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:45:08,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:45:08,617 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_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-19 05:45:13,312 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-19 05:45:13,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32da45b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:13, skipping insertion in model container [2021-11-19 05:45:13,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:45:13,315 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 05:45:13,318 INFO L158 Benchmark]: Toolchain (without parser) took 5252.34ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 73.3MB in the beginning and 83.3MB in the end (delta: -9.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-11-19 05:45:13,320 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:45:13,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5248.15ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 73.3MB in the beginning and 83.3MB in the end (delta: -9.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-11-19 05:45:13,325 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 115.3MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5248.15ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 73.3MB in the beginning and 83.3MB in the end (delta: -9.9MB). Peak memory consumption was 25.4MB. 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_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.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_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:45:15,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:45:15,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:45:15,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:45:15,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:45:15,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:45:15,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:45:15,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:45:15,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:45:15,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:45:15,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:45:15,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:45:15,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:45:15,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:45:15,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:45:15,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:45:15,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:45:15,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:45:15,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:45:15,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:45:15,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:45:15,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:45:15,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:45:15,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:45:15,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:45:15,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:45:15,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:45:15,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:45:15,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:45:15,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:45:15,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:45:15,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:45:15,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:45:15,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:45:15,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:45:15,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:45:15,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:45:15,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:45:15,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:45:15,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:45:15,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:45:15,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-19 05:45:15,990 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:45:15,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:45:15,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:45:15,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:45:15,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:45:15,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:45:15,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:45:15,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:45:15,995 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:45:15,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:45:15,996 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:45:15,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:45:15,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:45:15,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:45:15,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:45:15,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:45:15,998 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:45:15,998 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:45:15,998 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:45:15,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:45:15,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:45:15,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:45:15,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:45:15,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:45:15,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:45:15,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:45:16,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:45:16,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:45:16,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:45:16,000 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:45:16,000 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:45:16,001 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:45:16,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:45:16,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:45:16,001 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:45:16,002 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:45:16,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:45:16,002 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_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-19 05:45:16,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:45:16,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:45:16,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:45:16,412 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:45:16,413 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:45:16,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-19 05:45:16,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/data/516cb8465/b93a9cf2a84343c188515d084aa8e39f/FLAG037468e35 [2021-11-19 05:45:17,371 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:45:17,372 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-19 05:45:17,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/data/516cb8465/b93a9cf2a84343c188515d084aa8e39f/FLAG037468e35 [2021-11-19 05:45:17,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/bin/ugemcutter-Ozs8LMUF8r/data/516cb8465/b93a9cf2a84343c188515d084aa8e39f [2021-11-19 05:45:17,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:45:17,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:45:17,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:45:17,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:45:17,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:45:17,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:45:17" (1/1) ... [2021-11-19 05:45:17,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a2a511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:17, skipping insertion in model container [2021-11-19 05:45:17,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:45:17" (1/1) ... [2021-11-19 05:45:17,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:45:18,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:45:18,410 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_63ffc783-8e8f-4ce9-a27e-e45fc8d31e5d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-19 05:45:21,811 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-19 05:45:21,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bb7a8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:45:21, skipping insertion in model container [2021-11-19 05:45:21,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:45:21,812 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 05:45:21,814 INFO L158 Benchmark]: Toolchain (without parser) took 3976.63ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 27.4MB in the beginning and 49.2MB in the end (delta: -21.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-19 05:45:21,815 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:45:21,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3973.83ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 27.1MB in the beginning and 49.2MB in the end (delta: -22.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-19 05:45:21,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3973.83ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 27.1MB in the beginning and 49.2MB in the end (delta: -22.0MB). Peak memory consumption was 20.7MB. 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