./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/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_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7 --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 e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/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_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7 --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 e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 01:23:36,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:23:36,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:23:37,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:23:37,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:23:37,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:23:37,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:23:37,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:23:37,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:23:37,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:23:37,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:23:37,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:23:37,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:23:37,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:23:37,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:23:37,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:23:37,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:23:37,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:23:37,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:23:37,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:23:37,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:23:37,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:23:37,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:23:37,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:23:37,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:23:37,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:23:37,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:23:37,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:23:37,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:23:37,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:23:37,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:23:37,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:23:37,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:23:37,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:23:37,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:23:37,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:23:37,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:23:37,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:23:37,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:23:37,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:23:37,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:23:37,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-16 01:23:37,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:23:37,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:23:37,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:23:37,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:23:37,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:23:37,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:23:37,123 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:23:37,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:23:37,124 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:23:37,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:23:37,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:23:37,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:23:37,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:23:37,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:23:37,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:23:37,127 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:23:37,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:23:37,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:23:37,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:23:37,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:23:37,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:23:37,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 01:23:37,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:23:37,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:23:37,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:23:37,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:23:37,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:23:37,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 01:23:37,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 01:23:37,131 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:23:37,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:23:37,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:23:37,132 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:23:37,133 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:23:37,133 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_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2021-10-16 01:23:37,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:23:37,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:23:37,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:23:37,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:23:37,442 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:23:37,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-16 01:23:37,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/data/28265e50d/21d1adf8168540659a9c55ef647d001b/FLAG5564afd28 [2021-10-16 01:23:38,304 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:23:38,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-16 01:23:38,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/data/28265e50d/21d1adf8168540659a9c55ef647d001b/FLAG5564afd28 [2021-10-16 01:23:38,471 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/data/28265e50d/21d1adf8168540659a9c55ef647d001b [2021-10-16 01:23:38,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:23:38,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:23:38,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:38,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:23:38,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:23:38,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:38" (1/1) ... [2021-10-16 01:23:38,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b51fd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:38, skipping insertion in model container [2021-10-16 01:23:38,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:38" (1/1) ... [2021-10-16 01:23:38,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:23:38,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:23:39,094 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-16 01:23:43,714 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 01:23:43,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@277594d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:43, skipping insertion in model container [2021-10-16 01:23:43,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:43,716 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 01:23:43,718 INFO L168 Benchmark]: Toolchain (without parser) took 5242.79 ms. Allocated memory was 107.0 MB in the beginning and 148.9 MB in the end (delta: 41.9 MB). Free memory was 61.4 MB in the beginning and 81.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:43,719 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory was 60.3 MB in the beginning and 60.2 MB in the end (delta: 42.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:23:43,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5238.96 ms. Allocated memory was 107.0 MB in the beginning and 148.9 MB in the end (delta: 41.9 MB). Free memory was 61.1 MB in the beginning and 81.5 MB in the end (delta: -20.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:43,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory was 60.3 MB in the beginning and 60.2 MB in the end (delta: 42.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5238.96 ms. Allocated memory was 107.0 MB in the beginning and 148.9 MB in the end (delta: 41.9 MB). Free memory was 61.1 MB in the beginning and 81.5 MB in the end (delta: -20.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 01:23:46,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:23:46,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:23:46,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:23:46,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:23:46,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:23:46,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:23:46,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:23:46,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:23:46,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:23:46,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:23:46,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:23:46,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:23:46,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:23:46,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:23:46,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:23:46,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:23:46,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:23:46,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:23:46,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:23:46,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:23:46,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:23:46,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:23:46,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:23:46,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:23:46,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:23:46,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:23:46,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:23:46,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:23:46,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:23:46,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:23:46,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:23:46,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:23:46,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:23:46,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:23:46,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:23:46,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:23:46,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:23:46,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:23:46,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:23:46,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:23:46,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-16 01:23:46,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:23:46,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:23:46,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:23:46,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:23:46,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:23:46,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:23:46,358 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:23:46,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:23:46,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:23:46,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:23:46,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:23:46,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:23:46,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:23:46,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:23:46,361 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 01:23:46,362 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 01:23:46,362 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:23:46,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:23:46,362 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:23:46,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:23:46,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:23:46,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:23:46,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:23:46,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:23:46,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:23:46,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:23:46,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:23:46,365 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-16 01:23:46,365 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 01:23:46,365 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:23:46,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:23:46,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:23:46,366 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:23:46,366 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:23:46,367 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 01:23:46,367 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_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2021-10-16 01:23:46,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:23:46,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:23:46,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:23:46,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:23:46,769 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:23:46,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-16 01:23:46,847 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/data/143e91e28/0fdaecbec6eb40178e9c92d9b15a545e/FLAGe189cf4b3 [2021-10-16 01:23:47,731 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:23:47,732 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-16 01:23:47,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/data/143e91e28/0fdaecbec6eb40178e9c92d9b15a545e/FLAGe189cf4b3 [2021-10-16 01:23:48,190 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/bin/ugemcutter-qKN3xmkmp7/data/143e91e28/0fdaecbec6eb40178e9c92d9b15a545e [2021-10-16 01:23:48,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:23:48,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:23:48,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:48,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:23:48,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:23:48,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:48" (1/1) ... [2021-10-16 01:23:48,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245e37d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:48, skipping insertion in model container [2021-10-16 01:23:48,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:48" (1/1) ... [2021-10-16 01:23:48,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:23:48,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:23:48,806 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547eee2b-71a0-4c71-86fb-69dc7d0a41b3/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-16 01:23:52,841 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 01:23:52,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69050146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:52, skipping insertion in model container [2021-10-16 01:23:52,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:52,845 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 01:23:52,848 INFO L168 Benchmark]: Toolchain (without parser) took 4645.43 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 29.7 MB in the beginning and 43.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:52,850 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:23:52,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4641.23 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 29.5 MB in the beginning and 44.0 MB in the end (delta: -14.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:52,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4641.23 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 29.5 MB in the beginning and 44.0 MB in the end (delta: -14.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...