./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/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_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:42:27,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:42:27,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:42:27,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:42:27,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:42:27,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:42:27,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:42:27,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:42:27,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:42:27,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:42:27,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:42:27,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:42:27,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:42:27,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:42:27,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:42:27,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:42:27,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:42:27,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:42:27,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:42:27,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:42:27,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:42:27,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:42:27,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:42:27,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:42:27,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:42:27,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:42:27,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:42:27,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:42:27,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:42:27,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:42:27,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:42:27,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:42:27,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:42:27,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:42:27,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:42:27,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:42:27,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:42:27,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:42:27,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:42:27,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:42:27,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:42:27,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:42:27,438 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:42:27,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:42:27,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:42:27,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:42:27,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:42:27,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:42:27,440 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:42:27,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:42:27,441 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:42:27,441 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:42:27,441 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:42:27,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:42:27,442 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:42:27,442 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:42:27,442 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:42:27,443 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:42:27,443 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:42:27,443 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:42:27,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:42:27,444 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:42:27,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:42:27,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:42:27,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:42:27,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:42:27,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:42:27,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:42:27,446 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:42:27,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:42:27,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:42:27,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:42:27,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:42:27,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:42:27,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:42:27,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:42:27,448 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:42:27,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:42:27,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:42:27,448 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:42:27,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:42:27,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:42:27,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:42:27,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-11-19 07:42:27,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:42:27,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:42:27,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:42:27,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:42:27,764 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:42:27,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-19 07:42:27,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/data/899669341/5c59badf2bf94e2eb7fe209164a40503/FLAG5febfe52c [2022-11-19 07:42:28,788 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:42:28,789 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-19 07:42:28,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/data/899669341/5c59badf2bf94e2eb7fe209164a40503/FLAG5febfe52c [2022-11-19 07:42:29,233 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/data/899669341/5c59badf2bf94e2eb7fe209164a40503 [2022-11-19 07:42:29,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:42:29,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:42:29,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:42:29,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:42:29,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:42:29,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:29" (1/1) ... [2022-11-19 07:42:29,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0c8758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:29, skipping insertion in model container [2022-11-19 07:42:29,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:29" (1/1) ... [2022-11-19 07:42:29,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:42:29,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:42:29,892 WARN L234 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_3f4b2bc9-8843-4457-a43c-f68db135a995/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-11-19 07:42:33,895 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-19 07:42:33,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@148654b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:33, skipping insertion in model container [2022-11-19 07:42:33,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:42:33,897 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:42:33,899 INFO L158 Benchmark]: Toolchain (without parser) took 4660.16ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 71.8MB in the beginning and 125.4MB in the end (delta: -53.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-11-19 07:42:33,900 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:42:33,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4657.19ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 71.6MB in the beginning and 125.4MB in the end (delta: -53.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-11-19 07:42:33,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4657.19ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 71.6MB in the beginning and 125.4MB in the end (delta: -53.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/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_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:42:36,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:42:36,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:42:36,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:42:36,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:42:36,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:42:36,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:42:36,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:42:36,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:42:36,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:42:36,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:42:36,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:42:36,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:42:36,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:42:36,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:42:36,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:42:36,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:42:36,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:42:36,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:42:36,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:42:36,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:42:36,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:42:36,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:42:36,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:42:36,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:42:36,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:42:36,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:42:36,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:42:36,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:42:36,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:42:36,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:42:36,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:42:36,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:42:36,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:42:36,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:42:36,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:42:36,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:42:36,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:42:36,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:42:36,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:42:36,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:42:36,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-19 07:42:36,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:42:36,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:42:36,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:42:36,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:42:36,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:42:36,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:42:36,228 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:42:36,228 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:42:36,228 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:42:36,228 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:42:36,228 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:42:36,229 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:42:36,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:42:36,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:42:36,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:42:36,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:42:36,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:42:36,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:42:36,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:42:36,231 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:42:36,231 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:42:36,231 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:42:36,231 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:42:36,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:42:36,231 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:42:36,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:42:36,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:42:36,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:42:36,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:42:36,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:42:36,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:42:36,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:42:36,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:42:36,233 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:42:36,233 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:42:36,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:42:36,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:42:36,234 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:42:36,234 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_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-11-19 07:42:36,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:42:36,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:42:36,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:42:36,669 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:42:36,669 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:42:36,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-19 07:42:36,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/data/0c0933770/750f43b38b8547bc965b44abeccf0b11/FLAG09f8000b7 [2022-11-19 07:42:37,581 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:42:37,582 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-19 07:42:37,650 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/data/0c0933770/750f43b38b8547bc965b44abeccf0b11/FLAG09f8000b7 [2022-11-19 07:42:38,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4b2bc9-8843-4457-a43c-f68db135a995/bin/utaipan-I9t0OCRTmS/data/0c0933770/750f43b38b8547bc965b44abeccf0b11 [2022-11-19 07:42:38,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:42:38,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:42:38,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:42:38,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:42:38,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:42:38,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:38" (1/1) ... [2022-11-19 07:42:38,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6fee09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:38, skipping insertion in model container [2022-11-19 07:42:38,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:38" (1/1) ... [2022-11-19 07:42:38,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:42:38,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:42:38,742 WARN L234 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_3f4b2bc9-8843-4457-a43c-f68db135a995/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-11-19 07:42:42,933 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-19 07:42:42,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e21d4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42, skipping insertion in model container [2022-11-19 07:42:42,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:42:42,935 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:42:42,938 INFO L158 Benchmark]: Toolchain (without parser) took 4870.31ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 26.4MB in the beginning and 38.2MB in the end (delta: -11.8MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-11-19 07:42:42,939 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:42:42,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4867.71ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 26.2MB in the beginning and 38.2MB in the end (delta: -12.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-11-19 07:42:42,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4867.71ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 26.2MB in the beginning and 38.2MB in the end (delta: -12.0MB). Peak memory consumption was 16.9MB. 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