./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan --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-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan --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 0.2.0-7b2dab5 [2020-12-09 14:23:29,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:23:29,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:23:29,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:23:29,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:23:29,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:23:29,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:23:29,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:23:29,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:23:29,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:23:29,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:23:29,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:23:29,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:23:29,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:23:29,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:23:29,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:23:29,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:23:29,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:23:29,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:23:29,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:23:29,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:23:29,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:23:29,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:23:29,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:23:29,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:23:29,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:23:29,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:23:29,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:23:29,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:23:29,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:23:29,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:23:29,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:23:29,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:23:29,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:23:29,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:23:29,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:23:29,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:23:29,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:23:29,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:23:29,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:23:29,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:23:29,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 14:23:29,343 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:23:29,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:23:29,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:23:29,344 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:23:29,344 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:23:29,344 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:23:29,344 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 14:23:29,344 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:23:29,344 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:23:29,345 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 14:23:29,345 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 14:23:29,345 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:23:29,345 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 14:23:29,345 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 14:23:29,345 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 14:23:29,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:23:29,346 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:23:29,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 14:23:29,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:23:29,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:23:29,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 14:23:29,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:23:29,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 14:23:29,346 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:23:29,346 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:23:29,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 14:23:29,347 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:23:29,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 14:23:29,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:23:29,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:23:29,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:23:29,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:23:29,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:23:29,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 14:23:29,348 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 14:23:29,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 14:23:29,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 14:23:29,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:23:29,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:23:29,348 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-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-12-09 14:23:29,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:23:29,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:23:29,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:23:29,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:23:29,548 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:23:29,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-12-09 14:23:29,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/data/dda7131e7/1b236e52f24943eab3f08add9b1d91aa/FLAG139376163 [2020-12-09 14:23:30,172 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:23:30,172 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-12-09 14:23:30,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/data/dda7131e7/1b236e52f24943eab3f08add9b1d91aa/FLAG139376163 [2020-12-09 14:23:30,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/data/dda7131e7/1b236e52f24943eab3f08add9b1d91aa [2020-12-09 14:23:30,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:23:30,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:23:30,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:23:30,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:23:30,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:23:30,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:23:30" (1/1) ... [2020-12-09 14:23:30,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4baffe50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:23:30, skipping insertion in model container [2020-12-09 14:23:30,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:23:30" (1/1) ... [2020-12-09 14:23:30,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:23:30,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:23:30,663 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2020-12-09 14:23:32,995 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-09 14:23:32,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12a4d4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:23:32, skipping insertion in model container [2020-12-09 14:23:32,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:23:32,996 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 14:23:32,998 INFO L168 Benchmark]: Toolchain (without parser) took 2632.27 ms. Allocated memory is still 81.8 MB. Free memory was 51.6 MB in the beginning and 36.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-12-09 14:23:32,998 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 81.8 MB. Free memory is still 58.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:23:32,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2630.82 ms. Allocated memory is still 81.8 MB. Free memory was 51.3 MB in the beginning and 36.9 MB in the end (delta: 14.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-12-09 14:23:33,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 81.8 MB. Free memory is still 58.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2630.82 ms. Allocated memory is still 81.8 MB. Free memory was 51.3 MB in the beginning and 36.9 MB in the end (delta: 14.4 MB). Peak memory consumption was 27.5 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 14:23:34,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:23:34,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:23:34,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:23:34,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:23:34,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:23:34,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:23:34,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:23:34,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:23:34,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:23:34,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:23:34,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:23:34,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:23:34,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:23:34,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:23:34,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:23:34,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:23:34,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:23:34,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:23:34,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:23:34,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:23:34,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:23:34,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:23:34,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:23:34,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:23:34,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:23:34,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:23:34,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:23:34,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:23:34,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:23:34,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:23:34,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:23:34,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:23:34,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:23:34,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:23:34,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:23:34,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:23:34,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:23:34,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:23:34,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:23:34,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:23:34,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 14:23:34,430 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:23:34,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:23:34,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:23:34,431 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:23:34,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:23:34,432 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:23:34,432 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:23:34,432 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:23:34,432 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:23:34,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:23:34,433 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:23:34,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:23:34,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:23:34,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 14:23:34,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:23:34,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 14:23:34,433 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:23:34,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 14:23:34,434 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 14:23:34,434 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:23:34,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 14:23:34,434 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:23:34,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 14:23:34,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:23:34,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 14:23:34,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:23:34,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:23:34,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:23:34,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:23:34,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 14:23:34,435 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 14:23:34,435 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 14:23:34,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 14:23:34,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:23:34,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:23:34,436 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-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31a0eb1c375123465029054813704556a808514c [2020-12-09 14:23:34,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:23:34,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:23:34,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:23:34,688 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:23:34,688 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:23:34,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-12-09 14:23:34,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/data/0d1b2ae8a/6a8e4159100743e598fb076e878871f1/FLAG1ad7c53b6 [2020-12-09 14:23:35,326 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:23:35,327 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2020-12-09 14:23:35,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/data/0d1b2ae8a/6a8e4159100743e598fb076e878871f1/FLAG1ad7c53b6 [2020-12-09 14:23:35,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/bin/utaipan/data/0d1b2ae8a/6a8e4159100743e598fb076e878871f1 [2020-12-09 14:23:35,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:23:35,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:23:35,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:23:35,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:23:35,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:23:35,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:23:35" (1/1) ... [2020-12-09 14:23:35,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452b28ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:23:35, skipping insertion in model container [2020-12-09 14:23:35,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:23:35" (1/1) ... [2020-12-09 14:23:35,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:23:35,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:23:36,140 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1f9c397f-bce5-466e-86b4-ffcd1afe70c8/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2020-12-09 14:23:38,693 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-09 14:23:38,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55bd8a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:23:38, skipping insertion in model container [2020-12-09 14:23:38,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:23:38,694 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 14:23:38,695 INFO L168 Benchmark]: Toolchain (without parser) took 2924.26 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 29.1 MB in the beginning and 34.4 MB in the end (delta: -5.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-12-09 14:23:38,696 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 58.7 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:23:38,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2921.87 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 28.9 MB in the beginning and 34.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-12-09 14:23:38,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 58.7 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2921.87 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 28.9 MB in the beginning and 34.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 16.7 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...