./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan --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 3be8737422649a962e56b08bad0231d16298e713 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan --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 3be8737422649a962e56b08bad0231d16298e713 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:41:22,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:41:22,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:41:22,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:41:22,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:41:22,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:41:22,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:41:22,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:41:22,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:41:22,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:41:22,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:41:22,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:41:22,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:41:22,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:41:22,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:41:22,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:41:22,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:41:22,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:41:22,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:41:22,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:41:22,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:41:22,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:41:22,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:41:22,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:41:22,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:41:23,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:41:23,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:41:23,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:41:23,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:41:23,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:41:23,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:41:23,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:41:23,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:41:23,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:41:23,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:41:23,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:41:23,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:41:23,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:41:23,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:41:23,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:41:23,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:41:23,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:41:23,061 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:41:23,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:41:23,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:41:23,063 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:41:23,063 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:41:23,064 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:41:23,064 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:41:23,064 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:41:23,064 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:41:23,065 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:41:23,065 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:41:23,066 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:41:23,066 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:41:23,066 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:41:23,067 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:41:23,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:41:23,068 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:41:23,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:41:23,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:41:23,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:41:23,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:41:23,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:41:23,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:41:23,069 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:41:23,069 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:41:23,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:41:23,070 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:41:23,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:41:23,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:41:23,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:41:23,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:41:23,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:41:23,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:41:23,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:41:23,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:41:23,072 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:41:23,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:41:23,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:41:23,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:41:23,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:41:23,074 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-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-11-28 07:41:23,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:41:23,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:41:23,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:41:23,406 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:41:23,406 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:41:23,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 07:41:23,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/data/9b5749667/135b0c531ecc4591b27f28e0dae201e5/FLAG2c08016db [2020-11-28 07:41:24,491 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:41:24,492 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 07:41:24,545 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/data/9b5749667/135b0c531ecc4591b27f28e0dae201e5/FLAG2c08016db [2020-11-28 07:41:24,918 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/data/9b5749667/135b0c531ecc4591b27f28e0dae201e5 [2020-11-28 07:41:24,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:41:24,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:41:24,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:24,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:41:24,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:41:24,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:24" (1/1) ... [2020-11-28 07:41:24,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43918971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:24, skipping insertion in model container [2020-11-28 07:41:24,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:24" (1/1) ... [2020-11-28 07:41:24,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:41:25,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:41:28,693 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 07:41:28,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@136e1f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:28, skipping insertion in model container [2020-11-28 07:41:28,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:28,694 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:41:28,696 INFO L168 Benchmark]: Toolchain (without parser) took 3772.77 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 59.7 MB in the beginning and 84.5 MB in the end (delta: -24.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:28,697 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory was 57.4 MB in the beginning and 57.3 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:41:28,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3770.05 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 59.3 MB in the beginning and 84.5 MB in the end (delta: -25.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:28,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory was 57.4 MB in the beginning and 57.3 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3770.05 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 59.3 MB in the beginning and 84.5 MB in the end (delta: -25.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:41:30,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:41:30,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:41:31,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:41:31,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:41:31,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:41:31,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:41:31,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:41:31,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:41:31,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:41:31,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:41:31,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:41:31,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:41:31,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:41:31,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:41:31,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:41:31,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:41:31,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:41:31,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:41:31,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:41:31,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:41:31,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:41:31,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:41:31,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:41:31,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:41:31,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:41:31,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:41:31,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:41:31,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:41:31,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:41:31,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:41:31,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:41:31,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:41:31,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:41:31,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:41:31,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:41:31,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:41:31,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:41:31,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:41:31,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:41:31,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:41:31,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:41:31,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:41:31,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:41:31,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:41:31,199 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:41:31,199 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:41:31,199 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:41:31,200 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:41:31,200 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:41:31,200 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:41:31,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:41:31,202 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:41:31,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:41:31,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:41:31,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:41:31,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:41:31,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:41:31,204 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:41:31,204 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:41:31,204 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:41:31,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:41:31,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:41:31,205 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:41:31,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:41:31,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:41:31,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:41:31,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:41:31,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:41:31,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:41:31,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:41:31,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:41:31,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:41:31,207 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:41:31,207 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:41:31,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:41:31,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:41:31,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:41:31,208 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-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-11-28 07:41:31,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:41:31,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:41:31,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:41:31,642 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:41:31,643 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:41:31,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 07:41:31,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/data/fec0b816d/5bbaab2f7ebf45b3944fe44362ba4537/FLAG89770abeb [2020-11-28 07:41:32,591 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:41:32,592 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-11-28 07:41:32,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/data/fec0b816d/5bbaab2f7ebf45b3944fe44362ba4537/FLAG89770abeb [2020-11-28 07:41:33,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a96999ad-0aaa-4897-8168-7a6933e359fa/bin/utaipan/data/fec0b816d/5bbaab2f7ebf45b3944fe44362ba4537 [2020-11-28 07:41:33,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:41:33,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:41:33,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:33,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:41:33,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:41:33,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:33" (1/1) ... [2020-11-28 07:41:33,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61654c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:33, skipping insertion in model container [2020-11-28 07:41:33,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:33" (1/1) ... [2020-11-28 07:41:33,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:41:33,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:41:37,912 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 07:41:37,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@299b6505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:37, skipping insertion in model container [2020-11-28 07:41:37,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:37,914 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:41:37,916 INFO L168 Benchmark]: Toolchain (without parser) took 4828.57 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 34.1 MB in the beginning and 39.5 MB in the end (delta: -5.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:37,917 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 48.2 MB. Free memory was 31.3 MB in the beginning and 31.2 MB in the end (delta: 32.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:41:37,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4825.16 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 33.9 MB in the beginning and 39.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:37,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 48.2 MB. Free memory was 31.3 MB in the beginning and 31.2 MB in the end (delta: 32.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4825.16 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 33.9 MB in the beginning and 39.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 24.7 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...