./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/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_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 02:52:30,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:52:30,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:52:30,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:52:30,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:52:30,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:52:30,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:52:30,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:52:30,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:52:30,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:52:30,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:52:30,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:52:30,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:52:30,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:52:30,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:52:30,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:52:30,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:52:30,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:52:30,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:52:31,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:52:31,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:52:31,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:52:31,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:52:31,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:52:31,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:52:31,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:52:31,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:52:31,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:52:31,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:52:31,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:52:31,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:52:31,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:52:31,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:52:31,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:52:31,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:52:31,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:52:31,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:52:31,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:52:31,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:52:31,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:52:31,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:52:31,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:52:31,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:52:31,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:52:31,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:52:31,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:52:31,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:52:31,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:52:31,124 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:52:31,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:52:31,124 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:52:31,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:52:31,125 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:52:31,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:52:31,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:52:31,125 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:52:31,126 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:52:31,126 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:52:31,126 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:52:31,126 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:52:31,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:52:31,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:52:31,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:52:31,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:52:31,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:52:31,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:52:31,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:52:31,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:52:31,129 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:52:31,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:52:31,130 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:52:31,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:52:31,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:52:31,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:52:31,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:52:31,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:52:31,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:52:31,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:52:31,134 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:52:31,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:52:31,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:52:31,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:52:31,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:52:31,136 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_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-23 02:52:31,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:52:31,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:52:31,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:52:31,519 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:52:31,530 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:52:31,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-23 02:52:31,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/data/0dda79fdc/3485cae1a5f44ad08dbcd4a17ce3cc42/FLAG2105622c1 [2021-11-23 02:52:32,554 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:52:32,555 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-23 02:52:32,614 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/data/0dda79fdc/3485cae1a5f44ad08dbcd4a17ce3cc42/FLAG2105622c1 [2021-11-23 02:52:32,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/data/0dda79fdc/3485cae1a5f44ad08dbcd4a17ce3cc42 [2021-11-23 02:52:32,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:52:33,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:52:33,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:52:33,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:52:33,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:52:33,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:32" (1/1) ... [2021-11-23 02:52:33,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afb36ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:33, skipping insertion in model container [2021-11-23 02:52:33,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:32" (1/1) ... [2021-11-23 02:52:33,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:52:33,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:52:33,517 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_610b96cd-fb34-4379-b9b2-567d394c530c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-23 02:52:37,341 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 02:52:37,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@418d49f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:37, skipping insertion in model container [2021-11-23 02:52:37,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:52:37,342 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:52:37,344 INFO L158 Benchmark]: Toolchain (without parser) took 4342.50ms. Allocated memory is still 121.6MB. Free memory was 92.8MB in the beginning and 86.4MB in the end (delta: 6.4MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2021-11-23 02:52:37,345 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 86.0MB. Free memory was 64.4MB in the beginning and 64.4MB in the end (delta: 36.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:52:37,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4340.08ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 86.4MB in the end (delta: 5.7MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2021-11-23 02:52:37,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 86.0MB. Free memory was 64.4MB in the beginning and 64.4MB in the end (delta: 36.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4340.08ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 86.4MB in the end (delta: 5.7MB). Peak memory consumption was 68.1MB. 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_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/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_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 02:52:39,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:52:39,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:52:39,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:52:39,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:52:39,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:52:39,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:52:39,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:52:39,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:52:39,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:52:39,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:52:39,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:52:39,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:52:39,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:52:39,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:52:39,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:52:39,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:52:39,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:52:39,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:52:39,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:52:39,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:52:39,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:52:39,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:52:39,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:52:39,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:52:39,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:52:39,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:52:39,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:52:39,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:52:39,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:52:39,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:52:39,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:52:39,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:52:39,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:52:39,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:52:39,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:52:39,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:52:39,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:52:39,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:52:39,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:52:39,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:52:39,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 02:52:39,764 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:52:39,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:52:39,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:52:39,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:52:39,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:52:39,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:52:39,767 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:52:39,768 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:52:39,768 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:52:39,768 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:52:39,770 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:52:39,770 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:52:39,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:52:39,772 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:52:39,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:52:39,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:52:39,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:52:39,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:52:39,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:52:39,774 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:52:39,774 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:52:39,774 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:52:39,775 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:52:39,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:52:39,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:52:39,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:52:39,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:52:39,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:52:39,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:52:39,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:52:39,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:52:39,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:52:39,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:52:39,778 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:52:39,779 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:52:39,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:52:39,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:52:39,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:52:39,780 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_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-11-23 02:52:40,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:52:40,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:52:40,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:52:40,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:52:40,307 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:52:40,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-23 02:52:40,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/data/e8373ec89/6a4ef952923a4eedb2963b6054b332cb/FLAG6e8ced6fc [2021-11-23 02:52:41,512 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:52:41,513 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-11-23 02:52:41,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/data/e8373ec89/6a4ef952923a4eedb2963b6054b332cb/FLAG6e8ced6fc [2021-11-23 02:52:41,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b96cd-fb34-4379-b9b2-567d394c530c/bin/utaipan-EQgc7hIp5V/data/e8373ec89/6a4ef952923a4eedb2963b6054b332cb [2021-11-23 02:52:41,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:52:41,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:52:41,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:52:41,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:52:41,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:52:41,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:41" (1/1) ... [2021-11-23 02:52:41,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24df5998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:41, skipping insertion in model container [2021-11-23 02:52:41,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:41" (1/1) ... [2021-11-23 02:52:41,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:52:42,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:52:42,564 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_610b96cd-fb34-4379-b9b2-567d394c530c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-11-23 02:52:46,310 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 02:52:46,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76ccc2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:46, skipping insertion in model container [2021-11-23 02:52:46,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:52:46,312 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:52:46,316 INFO L158 Benchmark]: Toolchain (without parser) took 4394.42ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 33.2MB in the beginning and 54.5MB in the end (delta: -21.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-11-23 02:52:46,317 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 65.0MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:52:46,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4388.63ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 33.0MB in the beginning and 54.5MB in the end (delta: -21.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-11-23 02:52:46,323 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 65.0MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4388.63ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 33.0MB in the beginning and 54.5MB in the end (delta: -21.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN