./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG --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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG --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 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:10:00,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:10:00,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:10:00,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:10:00,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:10:00,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:10:00,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:10:00,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:10:00,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:10:00,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:10:00,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:10:00,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:10:00,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:10:00,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:10:00,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:10:00,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:10:00,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:10:00,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:10:00,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:10:00,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:10:00,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:10:00,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:10:00,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:10:00,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:10:00,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:10:00,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:10:00,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:10:00,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:10:00,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:10:00,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:10:00,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:10:00,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:10:00,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:10:00,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:10:00,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:10:00,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:10:00,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:10:00,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:10:00,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:10:00,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:10:00,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:10:00,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:10:00,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:10:00,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:10:00,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:10:00,364 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:10:00,364 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:10:00,364 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:10:00,364 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:10:00,365 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:10:00,365 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:10:00,365 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:10:00,365 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:10:00,365 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:10:00,366 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:10:00,366 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:10:00,366 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:10:00,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:10:00,367 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:10:00,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:10:00,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:10:00,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:10:00,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:10:00,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:10:00,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:10:00,368 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:10:00,368 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:10:00,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:10:00,369 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:10:00,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:10:00,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:10:00,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:10:00,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:10:00,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:10:00,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:10:00,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:10:00,370 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:10:00,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:10:00,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:10:00,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:10:00,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:10:00,371 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_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-10-29 05:10:00,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:10:00,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:10:00,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:10:00,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:10:00,663 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:10:00,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-29 05:10:00,742 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/data/685e3905b/9631c582168f48bb93de3d6951eb12bc/FLAG41d004047 [2021-10-29 05:10:01,629 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:10:01,631 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-29 05:10:01,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/data/685e3905b/9631c582168f48bb93de3d6951eb12bc/FLAG41d004047 [2021-10-29 05:10:02,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/data/685e3905b/9631c582168f48bb93de3d6951eb12bc [2021-10-29 05:10:02,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:10:02,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:10:02,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:10:02,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:10:02,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:10:02,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:10:02" (1/1) ... [2021-10-29 05:10:02,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb0060a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:02, skipping insertion in model container [2021-10-29 05:10:02,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:10:02" (1/1) ... [2021-10-29 05:10:02,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:10:02,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:10:02,674 WARN L228 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_7ad05578-0bca-441d-8251-91200574d597/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-10-29 05:10:06,164 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 05:10:06,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f713842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:06, skipping insertion in model container [2021-10-29 05:10:06,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:10:06,165 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:10:06,168 INFO L168 Benchmark]: Toolchain (without parser) took 4112.10 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 70.3 MB in the beginning and 94.3 MB in the end (delta: -24.0 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:10:06,168 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 75.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:10:06,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4108.43 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 70.1 MB in the beginning and 94.3 MB in the end (delta: -24.2 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:10:06,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 75.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4108.43 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 70.1 MB in the beginning and 94.3 MB in the end (delta: -24.2 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:10:08,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:10:08,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:10:08,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:10:08,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:10:08,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:10:08,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:10:08,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:10:08,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:10:08,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:10:08,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:10:08,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:10:08,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:10:08,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:10:08,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:10:08,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:10:08,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:10:08,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:10:08,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:10:08,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:10:08,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:10:08,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:10:08,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:10:08,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:10:08,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:10:08,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:10:08,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:10:08,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:10:08,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:10:08,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:10:08,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:10:08,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:10:08,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:10:08,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:10:08,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:10:08,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:10:08,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:10:08,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:10:08,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:10:08,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:10:08,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:10:08,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:10:08,659 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:10:08,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:10:08,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:10:08,661 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:10:08,661 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:10:08,661 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:10:08,662 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:10:08,662 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:10:08,663 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:10:08,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:10:08,666 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:10:08,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:10:08,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:10:08,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:10:08,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:10:08,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:10:08,667 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:10:08,668 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:10:08,668 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:10:08,668 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:10:08,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:10:08,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:10:08,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:10:08,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:10:08,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:10:08,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:10:08,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:10:08,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:10:08,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:10:08,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:10:08,671 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:10:08,671 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:10:08,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:10:08,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:10:08,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:10:08,672 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_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-10-29 05:10:09,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:10:09,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:10:09,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:10:09,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:10:09,103 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:10:09,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-29 05:10:09,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/data/19eab9a3b/a88f6a5602a043318aeeb5614c9b19f5/FLAGc75d4d577 [2021-10-29 05:10:10,180 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:10:10,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-29 05:10:10,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/data/19eab9a3b/a88f6a5602a043318aeeb5614c9b19f5/FLAGc75d4d577 [2021-10-29 05:10:10,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad05578-0bca-441d-8251-91200574d597/bin/utaipan-SDwSMHVbGG/data/19eab9a3b/a88f6a5602a043318aeeb5614c9b19f5 [2021-10-29 05:10:10,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:10:10,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:10:10,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:10:10,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:10:10,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:10:10,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:10:10" (1/1) ... [2021-10-29 05:10:10,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b79070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:10, skipping insertion in model container [2021-10-29 05:10:10,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:10:10" (1/1) ... [2021-10-29 05:10:10,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:10:10,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:10:11,219 WARN L228 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_7ad05578-0bca-441d-8251-91200574d597/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-10-29 05:10:15,010 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 05:10:15,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28b7787c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:10:15, skipping insertion in model container [2021-10-29 05:10:15,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:10:15,011 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:10:15,013 INFO L168 Benchmark]: Toolchain (without parser) took 4406.59 ms. Allocated memory was 60.8 MB in the beginning and 98.6 MB in the end (delta: 37.7 MB). Free memory was 29.9 MB in the beginning and 69.0 MB in the end (delta: -39.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:10:15,014 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:10:15,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4403.54 ms. Allocated memory was 60.8 MB in the beginning and 98.6 MB in the end (delta: 37.7 MB). Free memory was 29.8 MB in the beginning and 69.0 MB in the end (delta: -39.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:10:15,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4403.54 ms. Allocated memory was 60.8 MB in the beginning and 98.6 MB in the end (delta: 37.7 MB). Free memory was 29.8 MB in the beginning and 69.0 MB in the end (delta: -39.2 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * 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...