./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/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_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/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_22109359-8605-436d-b3d4-3039affce475/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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:43:27,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:43:27,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:43:27,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:43:27,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:43:27,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:43:27,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:43:27,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:43:27,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:43:27,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:43:27,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:43:27,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:43:27,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:43:27,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:43:27,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:43:27,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:43:27,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:43:27,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:43:27,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:43:27,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:43:27,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:43:27,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:43:27,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:43:27,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:43:27,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:43:27,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:43:27,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:43:27,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:43:27,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:43:27,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:43:27,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:43:27,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:43:27,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:43:27,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:43:27,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:43:27,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:43:27,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:43:27,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:43:27,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:43:27,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:43:27,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:43:27,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:43:27,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:43:27,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:43:27,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:43:27,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:43:27,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:43:27,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:43:27,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:43:27,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:43:27,829 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:43:27,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:43:27,829 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:43:27,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:43:27,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:43:27,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:43:27,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:43:27,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:43:27,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:43:27,831 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:43:27,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:43:27,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:43:27,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:43:27,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:43:27,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:43:27,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:43:27,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:43:27,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:43:27,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:43:27,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:43:27,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:43:27,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:43:27,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:43:27,835 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:43:27,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:43:27,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:43:27,836 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:43:27,836 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:43:27,836 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_22109359-8605-436d-b3d4-3039affce475/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-19 05:43:28,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:43:28,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:43:28,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:43:28,145 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:43:28,146 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:43:28,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-19 05:43:28,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/data/4e69dc7f9/42e6e27d2761423487344fb8244cd28a/FLAGf67b08c9a [2021-11-19 05:43:29,095 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:43:29,096 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-19 05:43:29,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/data/4e69dc7f9/42e6e27d2761423487344fb8244cd28a/FLAGf67b08c9a [2021-11-19 05:43:29,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/data/4e69dc7f9/42e6e27d2761423487344fb8244cd28a [2021-11-19 05:43:29,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:43:29,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:43:29,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:29,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:43:29,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:43:29,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:29" (1/1) ... [2021-11-19 05:43:29,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b0c94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:29, skipping insertion in model container [2021-11-19 05:43:29,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:29" (1/1) ... [2021-11-19 05:43:29,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:43:29,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:43:30,144 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_22109359-8605-436d-b3d4-3039affce475/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-19 05:43:34,017 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-19 05:43:34,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d3ac102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:34, skipping insertion in model container [2021-11-19 05:43:34,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:34,019 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 05:43:34,021 INFO L158 Benchmark]: Toolchain (without parser) took 4434.30ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 50.5MB in the beginning and 96.5MB in the end (delta: -46.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2021-11-19 05:43:34,021 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 69.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:43:34,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4428.91ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 96.5MB in the end (delta: -46.3MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2021-11-19 05:43:34,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 69.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4428.91ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 96.5MB in the end (delta: -46.3MB). Peak memory consumption was 25.8MB. 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_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/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_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/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_22109359-8605-436d-b3d4-3039affce475/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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:43:36,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:43:36,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:43:36,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:43:36,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:43:36,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:43:36,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:43:36,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:43:36,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:43:36,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:43:36,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:43:36,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:43:36,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:43:36,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:43:36,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:43:36,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:43:36,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:43:36,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:43:36,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:43:36,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:43:36,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:43:36,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:43:36,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:43:36,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:43:36,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:43:36,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:43:36,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:43:36,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:43:36,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:43:36,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:43:36,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:43:36,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:43:36,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:43:36,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:43:36,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:43:36,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:43:36,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:43:36,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:43:36,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:43:36,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:43:36,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:43:36,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-19 05:43:36,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:43:36,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:43:36,450 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:43:36,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:43:36,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:43:36,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:43:36,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:43:36,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:43:36,453 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:43:36,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:43:36,453 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:43:36,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:43:36,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:43:36,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:43:36,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:43:36,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:43:36,455 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:43:36,455 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:43:36,455 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:43:36,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:43:36,455 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:43:36,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:43:36,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:43:36,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:43:36,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:43:36,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:43:36,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:43:36,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:43:36,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:43:36,457 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:43:36,457 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:43:36,457 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:43:36,457 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:43:36,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:43:36,458 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:43:36,458 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:43:36,458 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:43:36,458 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_22109359-8605-436d-b3d4-3039affce475/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-19 05:43:36,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:43:36,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:43:36,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:43:36,873 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:43:36,873 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:43:36,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-19 05:43:36,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/data/1e2f980c7/d0262a04ec6f4f4e971ae61ec58dd0e6/FLAG6886f3562 [2021-11-19 05:43:37,898 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:43:37,899 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-19 05:43:37,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/data/1e2f980c7/d0262a04ec6f4f4e971ae61ec58dd0e6/FLAG6886f3562 [2021-11-19 05:43:38,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22109359-8605-436d-b3d4-3039affce475/bin/ugemcutter-Ozs8LMUF8r/data/1e2f980c7/d0262a04ec6f4f4e971ae61ec58dd0e6 [2021-11-19 05:43:38,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:43:38,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:43:38,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:38,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:43:38,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:43:38,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:38" (1/1) ... [2021-11-19 05:43:38,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d70702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:38, skipping insertion in model container [2021-11-19 05:43:38,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:43:38" (1/1) ... [2021-11-19 05:43:38,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:43:38,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:43:38,996 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_22109359-8605-436d-b3d4-3039affce475/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-19 05:43:43,432 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-19 05:43:43,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@647a88bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:43:43, skipping insertion in model container [2021-11-19 05:43:43,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:43:43,433 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 05:43:43,435 INFO L158 Benchmark]: Toolchain (without parser) took 5034.76ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 34.6MB in the beginning and 37.8MB in the end (delta: -3.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-19 05:43:43,436 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory was 36.2MB in the beginning and 36.1MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:43:43,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5031.65ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 34.5MB in the beginning and 37.8MB in the end (delta: -3.4MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-19 05:43:43,439 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 56.6MB. Free memory was 36.2MB in the beginning and 36.1MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5031.65ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 34.5MB in the beginning and 37.8MB in the end (delta: -3.4MB). Peak memory consumption was 24.5MB. 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