./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- 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-5e519f3 [2022-11-03 01:41:23,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:41:23,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:41:23,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:41:23,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:41:23,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:41:23,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:41:23,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:41:23,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:41:23,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:41:23,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:41:23,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:41:23,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:41:23,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:41:23,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:41:23,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:41:23,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:41:23,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:41:23,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:41:23,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:41:23,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:41:23,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:41:23,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:41:23,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:41:23,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:41:23,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:41:23,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:41:23,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:41:23,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:41:23,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:41:23,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:41:23,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:41:23,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:41:23,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:41:23,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:41:23,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:41:23,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:41:23,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:41:23,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:41:23,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:41:23,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:41:23,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 01:41:23,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:41:23,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:41:23,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:41:23,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:41:23,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:41:23,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:41:23,194 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:41:23,195 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:41:23,195 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:41:23,195 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:41:23,196 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:41:23,197 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:41:23,197 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:41:23,197 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:41:23,197 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:41:23,197 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:41:23,198 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:41:23,198 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:41:23,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:41:23,199 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:41:23,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:41:23,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:41:23,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:41:23,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:41:23,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:41:23,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:41:23,200 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:41:23,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:41:23,201 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:41:23,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:41:23,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:41:23,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:41:23,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:41:23,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:41:23,203 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:41:23,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:41:23,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:41:23,203 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:41:23,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:41:23,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:41:23,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:41:23,204 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_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-03 01:41:23,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:41:23,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:41:23,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:41:23,506 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:41:23,507 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:41:23,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-03 01:41:23,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/data/0bddb4d67/55913214d96f4e32b22afb25aea2a34b/FLAG34e674b6d [2022-11-03 01:41:24,407 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:41:24,408 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-03 01:41:24,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/data/0bddb4d67/55913214d96f4e32b22afb25aea2a34b/FLAG34e674b6d [2022-11-03 01:41:24,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/data/0bddb4d67/55913214d96f4e32b22afb25aea2a34b [2022-11-03 01:41:24,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:41:24,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:41:24,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:24,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:41:24,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:41:24,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:24" (1/1) ... [2022-11-03 01:41:24,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497e452c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:24, skipping insertion in model container [2022-11-03 01:41:24,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:24" (1/1) ... [2022-11-03 01:41:24,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:41:25,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:41:25,545 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_dd4826ca-c349-4151-92de-c707078cad97/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-03 01:41:28,667 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 01:41:28,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@456f0b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:28, skipping insertion in model container [2022-11-03 01:41:28,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:28,669 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:41:28,671 INFO L158 Benchmark]: Toolchain (without parser) took 3733.56ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 47.8MB in the beginning and 63.9MB in the end (delta: -16.1MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-03 01:41:28,672 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:41:28,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3726.82ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 47.6MB in the beginning and 63.9MB in the end (delta: -16.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-03 01:41:28,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3726.82ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 47.6MB in the beginning and 63.9MB in the end (delta: -16.3MB). Peak memory consumption was 27.4MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- 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-5e519f3 [2022-11-03 01:41:30,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:41:30,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:41:30,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:41:30,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:41:30,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:41:30,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:41:30,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:41:30,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:41:30,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:41:30,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:41:30,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:41:30,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:41:30,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:41:30,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:41:30,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:41:30,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:41:30,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:41:30,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:41:30,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:41:30,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:41:30,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:41:30,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:41:30,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:41:30,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:41:30,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:41:30,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:41:30,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:41:30,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:41:30,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:41:30,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:41:30,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:41:30,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:41:30,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:41:30,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:41:30,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:41:30,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:41:30,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:41:30,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:41:30,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:41:30,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:41:30,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 01:41:31,010 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:41:31,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:41:31,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:41:31,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:41:31,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:41:31,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:41:31,015 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:41:31,015 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:41:31,015 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:41:31,015 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:41:31,016 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:41:31,017 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:41:31,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:41:31,019 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:41:31,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:41:31,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:41:31,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:41:31,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:41:31,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:41:31,020 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:41:31,020 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:41:31,020 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:41:31,021 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:41:31,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:41:31,021 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:41:31,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:41:31,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:41:31,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:41:31,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:41:31,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:41:31,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:41:31,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:41:31,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:41:31,024 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:41:31,024 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:41:31,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:41:31,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:41:31,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:41:31,025 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_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-03 01:41:31,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:41:31,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:41:31,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:41:31,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:41:31,465 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:41:31,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-03 01:41:31,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/data/7771ef713/9054b6ed65674035a6eb960d1c87dac9/FLAG4b8e0cd53 [2022-11-03 01:41:32,467 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:41:32,468 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-03 01:41:32,526 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/data/7771ef713/9054b6ed65674035a6eb960d1c87dac9/FLAG4b8e0cd53 [2022-11-03 01:41:32,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4826ca-c349-4151-92de-c707078cad97/bin/utaipan-7li7fVZpFI/data/7771ef713/9054b6ed65674035a6eb960d1c87dac9 [2022-11-03 01:41:32,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:41:32,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:41:32,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:32,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:41:32,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:41:32,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:32" (1/1) ... [2022-11-03 01:41:32,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60861d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:32, skipping insertion in model container [2022-11-03 01:41:32,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:32" (1/1) ... [2022-11-03 01:41:32,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:41:33,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:41:33,486 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_dd4826ca-c349-4151-92de-c707078cad97/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-03 01:41:36,595 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 01:41:36,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@755e7cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:36, skipping insertion in model container [2022-11-03 01:41:36,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:36,596 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:41:36,597 INFO L158 Benchmark]: Toolchain (without parser) took 3685.97ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.6MB in the beginning and 39.4MB in the end (delta: 195.6kB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-03 01:41:36,598 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 46.1MB. Free memory was 27.1MB in the beginning and 27.1MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:41:36,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3680.66ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 12.9kB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-03 01:41:36,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 46.1MB. Free memory was 27.1MB in the beginning and 27.1MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3680.66ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 12.9kB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN