./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/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_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8 --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 eefa9a333e1ee4770c037634061df0061348ca43 ........................................................................................................................................... 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_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/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_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8 --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 eefa9a333e1ee4770c037634061df0061348ca43 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:54:17,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:54:17,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:54:17,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:54:17,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:54:17,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:54:17,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:54:17,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:54:17,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:54:17,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:54:17,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:54:17,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:54:17,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:54:17,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:54:17,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:54:17,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:54:17,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:54:17,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:54:17,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:54:17,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:54:17,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:54:17,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:54:17,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:54:17,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:54:17,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:54:17,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:54:17,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:54:17,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:54:17,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:54:17,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:54:17,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:54:17,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:54:17,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:54:17,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:54:17,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:54:17,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:54:17,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:54:17,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:54:17,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:54:17,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:54:17,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:54:17,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:54:17,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:54:17,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:54:17,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:54:17,687 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:54:17,688 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:54:17,688 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:54:17,692 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:54:17,693 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:54:17,693 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:54:17,693 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:54:17,693 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:54:17,694 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:54:17,694 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:54:17,694 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:54:17,695 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:54:17,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:54:17,696 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:54:17,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:54:17,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:54:17,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:54:17,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:54:17,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:54:17,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:54:17,698 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:54:17,698 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:54:17,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:54:17,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:54:17,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:54:17,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:54:17,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:54:17,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:54:17,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:54:17,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:54:17,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:54:17,701 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:54:17,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:54:17,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:54:17,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:54:17,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:54:17,702 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_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2021-10-13 06:54:18,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:54:18,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:54:18,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:54:18,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:54:18,072 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:54:18,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-13 06:54:18,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/data/05678d50d/95a19d85f6714f03a74b4cbcf9ff1778/FLAG6200f94f5 [2021-10-13 06:54:19,223 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:54:19,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-13 06:54:19,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/data/05678d50d/95a19d85f6714f03a74b4cbcf9ff1778/FLAG6200f94f5 [2021-10-13 06:54:19,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/data/05678d50d/95a19d85f6714f03a74b4cbcf9ff1778 [2021-10-13 06:54:19,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:54:19,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:54:19,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:54:19,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:54:19,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:54:19,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:54:19" (1/1) ... [2021-10-13 06:54:19,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20121e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:19, skipping insertion in model container [2021-10-13 06:54:19,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:54:19" (1/1) ... [2021-10-13 06:54:19,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:54:19,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:54:20,160 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_69fe6dd7-8797-4d72-87ef-5e4083f07353/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-10-13 06:54:25,145 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-13 06:54:25,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cb465fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:25, skipping insertion in model container [2021-10-13 06:54:25,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:54:25,148 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:54:25,151 INFO L168 Benchmark]: Toolchain (without parser) took 5520.66 ms. Allocated memory is still 113.2 MB. Free memory was 88.7 MB in the beginning and 48.9 MB in the end (delta: 39.9 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:25,153 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 67.9 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:54:25,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5515.52 ms. Allocated memory is still 113.2 MB. Free memory was 88.3 MB in the beginning and 48.9 MB in the end (delta: 39.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:25,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 67.9 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5515.52 ms. Allocated memory is still 113.2 MB. Free memory was 88.3 MB in the beginning and 48.9 MB in the end (delta: 39.4 MB). Peak memory consumption was 38.4 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-4e77c04 [2021-10-13 06:54:27,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:54:27,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:54:28,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:54:28,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:54:28,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:54:28,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:54:28,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:54:28,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:54:28,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:54:28,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:54:28,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:54:28,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:54:28,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:54:28,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:54:28,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:54:28,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:54:28,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:54:28,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:54:28,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:54:28,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:54:28,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:54:28,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:54:28,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:54:28,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:54:28,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:54:28,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:54:28,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:54:28,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:54:28,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:54:28,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:54:28,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:54:28,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:54:28,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:54:28,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:54:28,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:54:28,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:54:28,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:54:28,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:54:28,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:54:28,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:54:28,090 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:54:28,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:54:28,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:54:28,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:54:28,123 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:54:28,125 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:54:28,125 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:54:28,126 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:54:28,126 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:54:28,126 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:54:28,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:54:28,129 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:54:28,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:54:28,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:54:28,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:54:28,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:54:28,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:54:28,130 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:54:28,131 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:54:28,131 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:54:28,131 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:54:28,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:54:28,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:54:28,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:54:28,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:54:28,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:54:28,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:54:28,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:54:28,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:54:28,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:54:28,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:54:28,134 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:54:28,134 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:54:28,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:54:28,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:54:28,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:54:28,136 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_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2021-10-13 06:54:28,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:54:28,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:54:28,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:54:28,612 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:54:28,613 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:54:28,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-13 06:54:28,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/data/38571d3f1/d4804295d710457993f3654dafd8da24/FLAGac8421411 [2021-10-13 06:54:29,730 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:54:29,730 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-10-13 06:54:29,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/data/38571d3f1/d4804295d710457993f3654dafd8da24/FLAGac8421411 [2021-10-13 06:54:30,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fe6dd7-8797-4d72-87ef-5e4083f07353/bin/utaipan-q2qaUkNPG8/data/38571d3f1/d4804295d710457993f3654dafd8da24 [2021-10-13 06:54:30,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:54:30,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:54:30,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:54:30,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:54:30,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:54:30,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:54:30" (1/1) ... [2021-10-13 06:54:30,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a92855c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:30, skipping insertion in model container [2021-10-13 06:54:30,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:54:30" (1/1) ... [2021-10-13 06:54:30,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:54:30,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:54:30,779 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_69fe6dd7-8797-4d72-87ef-5e4083f07353/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-10-13 06:54:34,229 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-13 06:54:34,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56d44485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:54:34, skipping insertion in model container [2021-10-13 06:54:34,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:54:34,231 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:54:34,233 INFO L168 Benchmark]: Toolchain (without parser) took 4063.40 ms. Allocated memory was 56.6 MB in the beginning and 86.0 MB in the end (delta: 29.4 MB). Free memory was 23.7 MB in the beginning and 46.6 MB in the end (delta: -22.9 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:34,234 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:54:34,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4057.98 ms. Allocated memory was 56.6 MB in the beginning and 86.0 MB in the end (delta: 29.4 MB). Free memory was 23.6 MB in the beginning and 46.6 MB in the end (delta: -23.0 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:54:34,236 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4057.98 ms. Allocated memory was 56.6 MB in the beginning and 86.0 MB in the end (delta: 29.4 MB). Free memory was 23.6 MB in the beginning and 46.6 MB in the end (delta: -23.0 MB). Peak memory consumption was 17.1 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...