./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/config/TaipanReach.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_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:16:42,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:16:42,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:16:42,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:16:42,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:16:42,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:16:42,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:16:42,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:16:42,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:16:42,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:16:42,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:16:42,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:16:42,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:16:43,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:16:43,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:16:43,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:16:43,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:16:43,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:16:43,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:16:43,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:16:43,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:16:43,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:16:43,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:16:43,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:16:43,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:16:43,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:16:43,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:16:43,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:16:43,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:16:43,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:16:43,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:16:43,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:16:43,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:16:43,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:16:43,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:16:43,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:16:43,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:16:43,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:16:43,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:16:43,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:16:43,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:16:43,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:16:43,131 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:16:43,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:16:43,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:16:43,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:16:43,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:16:43,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:16:43,142 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:16:43,142 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:16:43,142 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:16:43,143 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:16:43,143 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:16:43,143 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:16:43,143 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:16:43,144 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:16:43,144 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:16:43,144 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:16:43,145 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:16:43,145 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:16:43,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:16:43,146 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:16:43,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:16:43,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:16:43,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:16:43,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:16:43,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:16:43,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:16:43,147 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:16:43,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:16:43,148 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:16:43,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:16:43,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:16:43,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:16:43,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:43,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:16:43,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:16:43,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:16:43,150 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:16:43,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:16:43,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:16:43,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:16:43,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:16:43,152 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-20 23:16:43,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:16:43,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:16:43,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:16:43,481 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:16:43,482 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:16:43,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-20 23:16:43,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/data/42752419c/40a467b8e90e4ddeb62e4488f56966f4/FLAG2e4eec2ea [2021-11-20 23:16:44,588 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:16:44,589 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-20 23:16:44,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/data/42752419c/40a467b8e90e4ddeb62e4488f56966f4/FLAG2e4eec2ea [2021-11-20 23:16:44,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/data/42752419c/40a467b8e90e4ddeb62e4488f56966f4 [2021-11-20 23:16:44,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:16:44,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:16:44,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:44,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:16:44,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:16:44,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:44" (1/1) ... [2021-11-20 23:16:44,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0366a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:44, skipping insertion in model container [2021-11-20 23:16:44,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:44" (1/1) ... [2021-11-20 23:16:45,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:16:45,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:16:45,681 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_0ff83933-7f47-426e-ae55-c021dec1aae7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-20 23:16:51,223 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 23:16:51,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11136bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:51, skipping insertion in model container [2021-11-20 23:16:51,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:51,225 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:16:51,227 INFO L158 Benchmark]: Toolchain (without parser) took 6239.39ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 60.6MB in the beginning and 88.3MB in the end (delta: -27.7MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-20 23:16:51,228 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:16:51,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6236.11ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 60.3MB in the beginning and 88.3MB in the end (delta: -28.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-20 23:16:51,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6236.11ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 60.3MB in the beginning and 88.3MB in the end (delta: -28.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/config/TaipanReach.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_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:16:53,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:16:53,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:16:54,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:16:54,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:16:54,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:16:54,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:16:54,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:16:54,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:16:54,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:16:54,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:16:54,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:16:54,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:16:54,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:16:54,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:16:54,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:16:54,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:16:54,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:16:54,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:16:54,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:16:54,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:16:54,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:16:54,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:16:54,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:16:54,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:16:54,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:16:54,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:16:54,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:16:54,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:16:54,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:16:54,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:16:54,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:16:54,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:16:54,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:16:54,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:16:54,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:16:54,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:16:54,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:16:54,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:16:54,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:16:54,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:16:54,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-20 23:16:54,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:16:54,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:16:54,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:16:54,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:16:54,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:16:54,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:16:54,189 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:16:54,189 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:16:54,189 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:16:54,190 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:16:54,191 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:16:54,191 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:16:54,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:16:54,193 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:16:54,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:16:54,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:16:54,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:16:54,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:16:54,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:16:54,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:16:54,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:16:54,196 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:16:54,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:16:54,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:16:54,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:16:54,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:16:54,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:16:54,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:16:54,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:16:54,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:16:54,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:16:54,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:16:54,199 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:16:54,200 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:16:54,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:16:54,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:16:54,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:16:54,201 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_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-20 23:16:54,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:16:54,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:16:54,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:16:54,745 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:16:54,746 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:16:54,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-20 23:16:54,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/data/0011ae20c/d93fa6fbd6664675aa9db00a0d6e1976/FLAGb1c9b2cb1 [2021-11-20 23:16:56,111 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:16:56,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-20 23:16:56,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/data/0011ae20c/d93fa6fbd6664675aa9db00a0d6e1976/FLAGb1c9b2cb1 [2021-11-20 23:16:56,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff83933-7f47-426e-ae55-c021dec1aae7/bin/utaipan-TEXQjIfE4P/data/0011ae20c/d93fa6fbd6664675aa9db00a0d6e1976 [2021-11-20 23:16:56,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:16:56,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:16:56,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:16:56,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:16:56,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:16:56,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:56" (1/1) ... [2021-11-20 23:16:56,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c8cbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:56, skipping insertion in model container [2021-11-20 23:16:56,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:56" (1/1) ... [2021-11-20 23:16:56,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:16:56,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:16:57,062 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_0ff83933-7f47-426e-ae55-c021dec1aae7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-20 23:17:00,879 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 23:17:00,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12fd92c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:00, skipping insertion in model container [2021-11-20 23:17:00,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:17:00,881 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:17:00,883 INFO L158 Benchmark]: Toolchain (without parser) took 4494.48ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 54.1MB in the beginning and 72.7MB in the end (delta: -18.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2021-11-20 23:17:00,884 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:17:00,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4491.48ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 53.9MB in the beginning and 72.7MB in the end (delta: -18.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2021-11-20 23:17:00,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4491.48ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 53.9MB in the beginning and 72.7MB in the end (delta: -18.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN