./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/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_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/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_aecd7878-1e73-465c-bf32-8cd1630ae074/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_aecd7878-1e73-465c-bf32-8cd1630ae074/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 31a0eb1c375123465029054813704556a808514c ........................................................................................................................................... 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_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/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_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/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_aecd7878-1e73-465c-bf32-8cd1630ae074/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_aecd7878-1e73-465c-bf32-8cd1630ae074/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 31a0eb1c375123465029054813704556a808514c ....................................................................................................................................... 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 08:03:16,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:03:16,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:03:16,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:03:16,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:03:16,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:03:16,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:03:16,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:03:16,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:03:16,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:03:16,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:03:16,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:03:16,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:03:16,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:03:16,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:03:16,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:03:16,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:03:16,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:03:16,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:03:16,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:03:16,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:03:16,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:03:16,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:03:16,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:03:16,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:03:16,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:03:16,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:03:16,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:03:16,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:03:16,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:03:16,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:03:16,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:03:16,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:03:16,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:03:16,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:03:16,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:03:16,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:03:16,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:03:16,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:03:16,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:03:16,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:03:16,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:03:16,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:03:16,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:03:16,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:03:16,697 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:03:16,697 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:03:16,698 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:03:16,698 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:03:16,699 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:03:16,699 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:03:16,699 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:03:16,700 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:03:16,700 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:03:16,701 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:03:16,701 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:03:16,701 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:03:16,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:03:16,703 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:03:16,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:03:16,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:03:16,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:03:16,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:03:16,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:03:16,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:03:16,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:03:16,705 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:03:16,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:03:16,705 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:03:16,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:03:16,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:03:16,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:03:16,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:03:16,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:03:16,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:03:16,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:03:16,708 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:03:16,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:03:16,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:03:16,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:03:16,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:03:16,709 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_aecd7878-1e73-465c-bf32-8cd1630ae074/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2021-10-13 08:03:17,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:03:17,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:03:17,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:03:17,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:03:17,048 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:03:17,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-13 08:03:17,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/data/6876b44c9/be92a6f822474345b4a208f3c58c923a/FLAG1b7feb9d6 [2021-10-13 08:03:18,166 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:03:18,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-13 08:03:18,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/data/6876b44c9/be92a6f822474345b4a208f3c58c923a/FLAG1b7feb9d6 [2021-10-13 08:03:18,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/data/6876b44c9/be92a6f822474345b4a208f3c58c923a [2021-10-13 08:03:18,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:03:18,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:03:18,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:03:18,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:03:18,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:03:18,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:18" (1/1) ... [2021-10-13 08:03:18,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315be5e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:18, skipping insertion in model container [2021-10-13 08:03:18,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:18" (1/1) ... [2021-10-13 08:03:18,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:03:18,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:03:19,311 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_aecd7878-1e73-465c-bf32-8cd1630ae074/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-10-13 08:03:23,134 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-13 08:03:23,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e1c8435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:23, skipping insertion in model container [2021-10-13 08:03:23,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:03:23,135 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:03:23,138 INFO L168 Benchmark]: Toolchain (without parser) took 4545.63 ms. Allocated memory was 123.7 MB in the beginning and 176.2 MB in the end (delta: 52.4 MB). Free memory was 73.7 MB in the beginning and 137.7 MB in the end (delta: -64.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:03:23,139 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 123.7 MB. Free memory is still 101.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:03:23,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4540.41 ms. Allocated memory was 123.7 MB in the beginning and 176.2 MB in the end (delta: 52.4 MB). Free memory was 73.4 MB in the beginning and 137.7 MB in the end (delta: -64.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:03:23,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 123.7 MB. Free memory is still 101.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4540.41 ms. Allocated memory was 123.7 MB in the beginning and 176.2 MB in the end (delta: 52.4 MB). Free memory was 73.4 MB in the beginning and 137.7 MB in the end (delta: -64.2 MB). Peak memory consumption was 25.6 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:03:25,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:03:25,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:03:25,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:03:25,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:03:25,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:03:25,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:03:25,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:03:25,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:03:25,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:03:25,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:03:25,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:03:25,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:03:25,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:03:25,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:03:25,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:03:25,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:03:25,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:03:25,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:03:25,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:03:25,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:03:25,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:03:25,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:03:25,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:03:25,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:03:25,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:03:25,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:03:25,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:03:25,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:03:25,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:03:25,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:03:25,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:03:25,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:03:25,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:03:25,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:03:25,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:03:25,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:03:25,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:03:25,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:03:25,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:03:25,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:03:25,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:03:26,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:03:26,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:03:26,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:03:26,006 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:03:26,006 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:03:26,006 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:03:26,007 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:03:26,007 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:03:26,008 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:03:26,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:03:26,010 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:03:26,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:03:26,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:03:26,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:03:26,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:03:26,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:03:26,012 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:03:26,012 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:03:26,012 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:03:26,012 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:03:26,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:03:26,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:03:26,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:03:26,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:03:26,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:03:26,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:03:26,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:03:26,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:03:26,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:03:26,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:03:26,015 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:03:26,015 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:03:26,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:03:26,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:03:26,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:03:26,016 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_aecd7878-1e73-465c-bf32-8cd1630ae074/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2021-10-13 08:03:26,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:03:26,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:03:26,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:03:26,398 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:03:26,399 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:03:26,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-13 08:03:26,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/data/4b426cc7c/e40602613b8d4144a9d2205c8c0d99ee/FLAGb46e7c334 [2021-10-13 08:03:27,713 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:03:27,714 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2021-10-13 08:03:27,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/data/4b426cc7c/e40602613b8d4144a9d2205c8c0d99ee/FLAGb46e7c334 [2021-10-13 08:03:27,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecd7878-1e73-465c-bf32-8cd1630ae074/bin/utaipan-q2qaUkNPG8/data/4b426cc7c/e40602613b8d4144a9d2205c8c0d99ee [2021-10-13 08:03:28,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:03:28,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:03:28,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:03:28,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:03:28,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:03:28,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:28" (1/1) ... [2021-10-13 08:03:28,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b19e9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:28, skipping insertion in model container [2021-10-13 08:03:28,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:28" (1/1) ... [2021-10-13 08:03:28,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:03:28,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:03:28,828 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_aecd7878-1e73-465c-bf32-8cd1630ae074/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2021-10-13 08:03:32,937 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-13 08:03:32,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c567f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:32, skipping insertion in model container [2021-10-13 08:03:32,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:03:32,939 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:03:32,942 INFO L168 Benchmark]: Toolchain (without parser) took 4936.95 ms. Allocated memory was 77.6 MB in the beginning and 109.1 MB in the end (delta: 31.5 MB). Free memory was 49.9 MB in the beginning and 66.8 MB in the end (delta: -16.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:03:32,943 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:03:32,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4934.17 ms. Allocated memory was 77.6 MB in the beginning and 109.1 MB in the end (delta: 31.5 MB). Free memory was 49.7 MB in the beginning and 66.8 MB in the end (delta: -17.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:03:32,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4934.17 ms. Allocated memory was 77.6 MB in the beginning and 109.1 MB in the end (delta: 31.5 MB). Free memory was 49.7 MB in the beginning and 66.8 MB in the end (delta: -17.0 MB). Peak memory consumption was 22.5 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...