./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/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_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 01:59:01,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:59:01,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:59:01,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:59:01,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:59:01,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:59:01,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:59:01,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:59:02,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:59:02,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:59:02,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:59:02,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:59:02,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:59:02,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:59:02,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:59:02,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:59:02,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:59:02,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:59:02,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:59:02,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:59:02,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:59:02,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:59:02,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:59:02,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:59:02,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:59:02,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:59:02,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:59:02,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:59:02,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:59:02,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:59:02,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:59:02,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:59:02,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:59:02,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:59:02,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:59:02,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:59:02,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:59:02,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:59:02,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:59:02,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:59:02,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:59:02,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:59:02,133 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:59:02,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:59:02,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:59:02,136 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:59:02,137 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:59:02,137 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:59:02,138 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:59:02,138 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:59:02,138 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:59:02,138 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:59:02,140 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:59:02,140 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:59:02,140 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:59:02,141 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:59:02,141 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:59:02,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:59:02,142 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:59:02,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:59:02,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:59:02,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:59:02,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:59:02,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:59:02,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:59:02,144 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:59:02,144 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:59:02,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:59:02,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:59:02,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:59:02,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:59:02,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:59:02,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:59:02,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:59:02,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:59:02,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:59:02,149 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:59:02,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:59:02,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:59:02,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:59:02,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:59:02,150 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_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-07 01:59:02,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:59:02,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:59:02,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:59:02,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:59:02,464 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:59:02,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-07 01:59:02,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/data/c8f1e8b2a/85f14c20c3b44640b2288cc3add8d816/FLAG79bf1d40b [2021-11-07 01:59:03,550 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:59:03,552 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-07 01:59:03,602 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/data/c8f1e8b2a/85f14c20c3b44640b2288cc3add8d816/FLAG79bf1d40b [2021-11-07 01:59:03,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/data/c8f1e8b2a/85f14c20c3b44640b2288cc3add8d816 [2021-11-07 01:59:03,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:59:03,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:59:03,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:03,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:59:03,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:59:03,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:03" (1/1) ... [2021-11-07 01:59:03,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa3ca9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:03, skipping insertion in model container [2021-11-07 01:59:03,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:03" (1/1) ... [2021-11-07 01:59:03,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:59:04,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:59:04,699 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_db6a082c-0f98-4556-983e-5f42222f7a7b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-07 01:59:09,993 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-07 01:59:09,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60e25080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:09, skipping insertion in model container [2021-11-07 01:59:09,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:09,995 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:59:09,998 INFO L168 Benchmark]: Toolchain (without parser) took 6035.90 ms. Allocated memory is still 102.8 MB. Free memory was 75.2 MB in the beginning and 61.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:09,999 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 81.8 MB. Free memory was 42.8 MB in the beginning and 42.8 MB in the end (delta: 52.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:59:10,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6019.25 ms. Allocated memory is still 102.8 MB. Free memory was 74.9 MB in the beginning and 61.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:10,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 81.8 MB. Free memory was 42.8 MB in the beginning and 42.8 MB in the end (delta: 52.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6019.25 ms. Allocated memory is still 102.8 MB. Free memory was 74.9 MB in the beginning and 61.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 30.9 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... --- 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_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/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_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 01:59:12,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:59:12,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:59:12,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:59:12,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:59:12,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:59:12,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:59:12,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:59:12,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:59:12,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:59:12,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:59:12,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:59:12,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:59:12,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:59:12,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:59:12,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:59:12,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:59:12,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:59:12,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:59:12,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:59:12,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:59:12,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:59:12,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:59:12,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:59:12,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:59:12,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:59:12,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:59:12,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:59:12,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:59:12,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:59:12,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:59:12,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:59:12,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:59:12,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:59:12,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:59:12,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:59:12,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:59:12,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:59:12,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:59:12,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:59:13,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:59:13,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:59:13,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:59:13,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:59:13,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:59:13,062 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:59:13,062 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:59:13,063 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:59:13,063 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:59:13,063 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:59:13,064 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:59:13,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:59:13,067 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:59:13,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:59:13,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:59:13,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:59:13,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:59:13,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:59:13,069 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:59:13,069 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:59:13,069 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:59:13,070 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:59:13,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:59:13,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:59:13,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:59:13,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:59:13,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:59:13,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:59:13,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:59:13,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:59:13,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:59:13,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:59:13,073 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:59:13,073 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:59:13,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:59:13,074 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:59:13,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:59:13,074 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_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-07 01:59:13,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:59:13,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:59:13,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:59:13,709 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:59:13,710 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:59:13,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-07 01:59:13,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/data/27d0ad253/f9ebd6b43a0b45148fc10d7eda992258/FLAGea57e9aee [2021-11-07 01:59:14,986 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:59:14,987 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-07 01:59:15,061 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/data/27d0ad253/f9ebd6b43a0b45148fc10d7eda992258/FLAGea57e9aee [2021-11-07 01:59:15,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db6a082c-0f98-4556-983e-5f42222f7a7b/bin/utaipan-UUZaoUuFF8/data/27d0ad253/f9ebd6b43a0b45148fc10d7eda992258 [2021-11-07 01:59:15,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:59:15,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:59:15,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:15,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:59:15,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:59:15,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:15" (1/1) ... [2021-11-07 01:59:15,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132a1aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:15, skipping insertion in model container [2021-11-07 01:59:15,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:15" (1/1) ... [2021-11-07 01:59:15,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:59:15,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:59:16,162 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_db6a082c-0f98-4556-983e-5f42222f7a7b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-07 01:59:20,216 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-07 01:59:20,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b15fa57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:20, skipping insertion in model container [2021-11-07 01:59:20,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:20,218 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:59:20,221 INFO L168 Benchmark]: Toolchain (without parser) took 4877.75 ms. Allocated memory is still 81.8 MB. Free memory was 57.5 MB in the beginning and 40.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:20,222 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory is still 35.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:59:20,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4872.49 ms. Allocated memory is still 81.8 MB. Free memory was 57.5 MB in the beginning and 40.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:20,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory is still 35.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4872.49 ms. Allocated memory is still 81.8 MB. Free memory was 57.5 MB in the beginning and 40.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 27.5 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN