./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:16:22,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:16:22,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:16:22,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:16:22,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:16:22,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:16:22,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:16:22,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:16:22,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:16:22,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:16:22,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:16:22,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:16:22,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:16:22,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:16:22,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:16:22,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:16:22,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:16:22,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:16:22,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:16:22,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:16:22,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:16:22,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:16:22,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:16:22,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:16:22,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:16:22,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:16:22,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:16:22,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:16:22,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:16:22,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:16:22,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:16:22,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:16:22,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:16:22,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:16:22,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:16:22,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:16:22,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:16:22,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:16:22,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:16:22,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:16:22,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:16:22,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:16:22,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:16:22,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:16:22,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:16:22,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:16:22,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:16:22,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:16:22,901 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:16:22,901 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:16:22,901 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:16:22,901 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:16:22,901 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:16:22,902 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:16:22,902 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:16:22,902 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:16:22,902 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:16:22,902 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:16:22,903 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:16:22,903 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:16:22,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:16:22,904 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:16:22,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:16:22,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:16:22,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:16:22,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:16:22,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:16:22,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:16:22,905 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:16:22,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:16:22,906 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:16:22,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:16:22,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:16:22,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:16:22,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:16:22,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:16:22,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:16:22,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:16:22,907 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:16:22,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:16:22,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:16:22,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:16:22,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:16:22,908 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-11-23 02:16:23,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:16:23,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:16:23,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:16:23,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:16:23,283 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:16:23,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-23 02:16:23,362 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/data/93c14811d/b42fc756b5e44b11b36e30997f91f0b4/FLAGf12011daa [2021-11-23 02:16:24,318 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:16:24,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-23 02:16:24,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/data/93c14811d/b42fc756b5e44b11b36e30997f91f0b4/FLAGf12011daa [2021-11-23 02:16:24,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/data/93c14811d/b42fc756b5e44b11b36e30997f91f0b4 [2021-11-23 02:16:24,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:16:24,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:16:24,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:16:24,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:16:24,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:16:24,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:24" (1/1) ... [2021-11-23 02:16:24,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27679142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:24, skipping insertion in model container [2021-11-23 02:16:24,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:24" (1/1) ... [2021-11-23 02:16:24,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:16:24,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:16:25,342 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_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-11-23 02:16:28,908 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 02:16:28,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2944243a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28, skipping insertion in model container [2021-11-23 02:16:28,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:16:28,909 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:16:28,911 INFO L158 Benchmark]: Toolchain (without parser) took 4169.32ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 58.5MB in the beginning and 69.1MB in the end (delta: -10.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-23 02:16:28,912 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 66.8MB in the beginning and 66.7MB in the end (delta: 17.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:16:28,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4163.35ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 58.2MB in the beginning and 69.1MB in the end (delta: -11.0MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-23 02:16:28,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 66.8MB in the beginning and 66.7MB in the end (delta: 17.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4163.35ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 58.2MB in the beginning and 69.1MB in the end (delta: -11.0MB). Peak memory consumption was 38.0MB. 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:16:31,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:16:31,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:16:31,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:16:31,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:16:31,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:16:31,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:16:31,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:16:31,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:16:31,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:16:31,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:16:31,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:16:31,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:16:31,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:16:31,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:16:31,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:16:31,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:16:31,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:16:31,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:16:31,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:16:31,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:16:31,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:16:31,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:16:31,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:16:31,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:16:31,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:16:31,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:16:31,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:16:31,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:16:31,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:16:31,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:16:31,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:16:31,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:16:31,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:16:31,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:16:31,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:16:31,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:16:31,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:16:31,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:16:31,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:16:31,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:16:31,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 02:16:31,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:16:31,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:16:31,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:16:31,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:16:31,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:16:31,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:16:31,430 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:16:31,430 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:16:31,430 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:16:31,431 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:16:31,432 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:16:31,432 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:16:31,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:16:31,434 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:16:31,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:16:31,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:16:31,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:16:31,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:16:31,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:16:31,435 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:16:31,435 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:16:31,436 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:16:31,436 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:16:31,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:16:31,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:16:31,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:16:31,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:16:31,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:16:31,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:16:31,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:16:31,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:16:31,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:16:31,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:16:31,439 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:16:31,439 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:16:31,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:16:31,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:16:31,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:16:31,440 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_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61dd6293576613fe76a1f6c7de40e10adddf0336817b3530deb76123c32b759 [2021-11-23 02:16:31,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:16:31,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:16:31,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:16:31,912 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:16:31,915 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:16:31,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-23 02:16:31,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/data/8ed0c831b/a4cf4c45e3564234b5a1a73de733b91c/FLAG26442c8a9 [2021-11-23 02:16:32,944 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:16:32,947 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-11-23 02:16:33,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/data/8ed0c831b/a4cf4c45e3564234b5a1a73de733b91c/FLAG26442c8a9 [2021-11-23 02:16:33,411 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/bin/utaipan-EQgc7hIp5V/data/8ed0c831b/a4cf4c45e3564234b5a1a73de733b91c [2021-11-23 02:16:33,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:16:33,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:16:33,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:16:33,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:16:33,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:16:33,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:33" (1/1) ... [2021-11-23 02:16:33,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695575f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:33, skipping insertion in model container [2021-11-23 02:16:33,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:33" (1/1) ... [2021-11-23 02:16:33,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:16:33,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:16:34,003 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_3eecee64-b5dc-4d0b-8a7d-a972d524fe16/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-11-23 02:16:38,267 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 02:16:38,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@24f78066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:38, skipping insertion in model container [2021-11-23 02:16:38,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:16:38,268 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:16:38,270 INFO L158 Benchmark]: Toolchain (without parser) took 4854.79ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 29.7MB in the beginning and 49.4MB in the end (delta: -19.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2021-11-23 02:16:38,271 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 42.2MB in the beginning and 42.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:16:38,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4852.20ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 29.5MB in the beginning and 49.4MB in the end (delta: -19.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-23 02:16:38,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 42.2MB in the beginning and 42.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4852.20ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 29.5MB in the beginning and 49.4MB in the end (delta: -19.9MB). Peak memory consumption was 19.7MB. 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