./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/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_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/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_2207816a-cfda-4d3d-811d-9dbd06511253/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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- 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 02:15:15,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:15:15,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:15:15,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:15:15,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:15:15,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:15:15,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:15:15,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:15:15,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:15:15,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:15:15,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:15:15,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:15:15,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:15:15,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:15:15,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:15:15,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:15:15,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:15:15,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:15:15,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:15:15,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:15:15,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:15:15,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:15:15,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:15:15,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:15:15,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:15:15,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:15:15,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:15:15,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:15:15,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:15:15,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:15:15,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:15:15,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:15:15,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:15:15,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:15:15,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:15:15,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:15:15,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:15:15,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:15:15,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:15:15,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:15:15,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:15:15,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:15:15,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:15:15,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:15:15,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:15:15,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:15:15,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:15:15,229 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:15:15,229 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:15:15,229 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:15:15,229 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:15:15,230 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:15:15,231 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:15:15,231 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:15:15,231 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:15:15,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:15:15,232 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:15:15,232 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:15:15,232 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:15:15,232 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:15:15,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:15:15,234 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:15:15,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:15:15,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:15:15,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:15:15,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:15:15,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:15:15,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:15:15,235 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:15:15,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:15:15,236 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:15:15,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:15:15,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:15:15,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:15:15,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:15:15,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:15:15,238 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:15:15,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:15:15,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:15:15,238 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:15:15,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:15:15,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:15:15,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:15:15,239 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_2207816a-cfda-4d3d-811d-9dbd06511253/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-11-03 02:15:15,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:15:15,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:15:15,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:15:15,605 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:15:15,605 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:15:15,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-03 02:15:15,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/data/6ad7114e1/b017cc6761764bb98077cffd5996d733/FLAG9fb9a2156 [2022-11-03 02:15:16,842 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:15:16,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-03 02:15:16,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/data/6ad7114e1/b017cc6761764bb98077cffd5996d733/FLAG9fb9a2156 [2022-11-03 02:15:17,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/data/6ad7114e1/b017cc6761764bb98077cffd5996d733 [2022-11-03 02:15:17,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:15:17,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:15:17,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:15:17,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:15:17,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:15:17,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:15:17" (1/1) ... [2022-11-03 02:15:17,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa56fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:17, skipping insertion in model container [2022-11-03 02:15:17,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:15:17" (1/1) ... [2022-11-03 02:15:17,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:15:17,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:15:17,867 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_2207816a-cfda-4d3d-811d-9dbd06511253/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-11-03 02:15:22,010 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 02:15:22,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@272b1fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:22, skipping insertion in model container [2022-11-03 02:15:22,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:15:22,012 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:15:22,014 INFO L158 Benchmark]: Toolchain (without parser) took 4853.30ms. Allocated memory is still 107.0MB. Free memory was 79.9MB in the beginning and 67.9MB in the end (delta: 12.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-03 02:15:22,015 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:15:22,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4850.36ms. Allocated memory is still 107.0MB. Free memory was 79.5MB in the beginning and 67.9MB in the end (delta: 11.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-03 02:15:22,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4850.36ms. Allocated memory is still 107.0MB. Free memory was 79.5MB in the beginning and 67.9MB in the end (delta: 11.7MB). Peak memory consumption was 33.6MB. 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_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/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_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/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_2207816a-cfda-4d3d-811d-9dbd06511253/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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- 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 02:15:24,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:15:24,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:15:24,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:15:24,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:15:24,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:15:24,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:15:24,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:15:24,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:15:24,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:15:24,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:15:24,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:15:24,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:15:24,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:15:24,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:15:24,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:15:24,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:15:24,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:15:24,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:15:24,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:15:24,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:15:24,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:15:24,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:15:24,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:15:24,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:15:24,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:15:24,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:15:24,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:15:24,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:15:24,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:15:24,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:15:24,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:15:24,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:15:24,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:15:24,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:15:24,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:15:24,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:15:24,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:15:24,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:15:24,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:15:24,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:15:24,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 02:15:24,775 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:15:24,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:15:24,776 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:15:24,776 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:15:24,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:15:24,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:15:24,778 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:15:24,778 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:15:24,779 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:15:24,779 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:15:24,779 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:15:24,780 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:15:24,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:15:24,781 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:15:24,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:15:24,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:15:24,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:15:24,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:15:24,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:15:24,791 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:15:24,791 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:15:24,791 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:15:24,792 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:15:24,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:15:24,792 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:15:24,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:15:24,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:15:24,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:15:24,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:15:24,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:15:24,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:15:24,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:15:24,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:15:24,794 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:15:24,794 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:15:24,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:15:24,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:15:24,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:15:24,795 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_2207816a-cfda-4d3d-811d-9dbd06511253/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-11-03 02:15:25,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:15:25,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:15:25,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:15:25,267 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:15:25,267 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:15:25,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-03 02:15:25,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/data/bc53ba868/f155a88ce8fd47c8bcce4345e86773a3/FLAG8168e4bb3 [2022-11-03 02:15:26,445 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:15:26,446 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-03 02:15:26,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/data/bc53ba868/f155a88ce8fd47c8bcce4345e86773a3/FLAG8168e4bb3 [2022-11-03 02:15:26,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2207816a-cfda-4d3d-811d-9dbd06511253/bin/utaipan-7li7fVZpFI/data/bc53ba868/f155a88ce8fd47c8bcce4345e86773a3 [2022-11-03 02:15:26,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:15:26,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:15:26,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:15:26,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:15:26,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:15:26,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:15:26" (1/1) ... [2022-11-03 02:15:26,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f15fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:26, skipping insertion in model container [2022-11-03 02:15:26,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:15:26" (1/1) ... [2022-11-03 02:15:26,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:15:27,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:15:27,615 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_2207816a-cfda-4d3d-811d-9dbd06511253/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-11-03 02:15:31,414 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 02:15:31,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2713c46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:31, skipping insertion in model container [2022-11-03 02:15:31,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:15:31,415 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:15:31,419 INFO L158 Benchmark]: Toolchain (without parser) took 4538.39ms. 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 58.5MB in the end (delta: -25.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-11-03 02:15:31,420 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 52.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:15:31,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4529.68ms. 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 58.5MB in the end (delta: -25.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-11-03 02:15:31,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 52.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4529.68ms. 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 58.5MB in the end (delta: -25.5MB). Peak memory consumption was 29.0MB. 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