./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_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_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/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_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/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_98497098-9787-4a09-9cff-9bd900c29229/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 3be8737422649a962e56b08bad0231d16298e713 ........................................................................................................................................... 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_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/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_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/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_98497098-9787-4a09-9cff-9bd900c29229/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 3be8737422649a962e56b08bad0231d16298e713 ....................................................................................................................................... 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 07:24:19,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:24:19,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:24:19,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:24:19,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:24:19,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:24:19,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:24:19,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:24:19,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:24:19,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:24:19,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:24:19,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:24:19,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:24:19,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:24:19,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:24:19,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:24:19,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:24:19,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:24:19,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:24:19,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:24:19,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:24:19,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:24:19,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:24:19,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:24:19,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:24:19,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:24:19,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:24:19,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:24:19,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:24:19,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:24:19,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:24:19,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:24:19,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:24:19,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:24:19,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:24:19,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:24:19,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:24:19,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:24:19,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:24:19,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:24:19,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:24:19,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:24:19,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:24:19,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:24:19,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:24:19,434 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:24:19,435 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:24:19,435 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:24:19,435 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:24:19,435 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:24:19,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:24:19,443 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:24:19,444 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:24:19,444 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:24:19,445 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:24:19,445 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:24:19,445 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:24:19,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:24:19,446 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:24:19,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:24:19,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:24:19,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:24:19,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:24:19,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:24:19,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:24:19,448 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:24:19,449 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:24:19,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:24:19,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:24:19,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:24:19,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:24:19,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:24:19,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:24:19,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:24:19,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:24:19,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:24:19,454 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:24:19,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:24:19,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:24:19,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:24:19,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:24:19,455 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_98497098-9787-4a09-9cff-9bd900c29229/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2021-10-13 07:24:19,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:24:19,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:24:19,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:24:19,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:24:19,769 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:24:19,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-13 07:24:19,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/data/74581bb24/8e944113d41c4805803712d1100fc0ad/FLAG8e5266132 [2021-10-13 07:24:20,807 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:24:20,809 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-13 07:24:20,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/data/74581bb24/8e944113d41c4805803712d1100fc0ad/FLAG8e5266132 [2021-10-13 07:24:21,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/data/74581bb24/8e944113d41c4805803712d1100fc0ad [2021-10-13 07:24:21,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:24:21,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:24:21,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:24:21,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:24:21,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:24:21,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:24:21" (1/1) ... [2021-10-13 07:24:21,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fd4ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:21, skipping insertion in model container [2021-10-13 07:24:21,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:24:21" (1/1) ... [2021-10-13 07:24:21,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:24:21,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:24:21,892 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_98497098-9787-4a09-9cff-9bd900c29229/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-13 07:24:25,442 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-13 07:24:25,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@120529fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:25, skipping insertion in model container [2021-10-13 07:24:25,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:24:25,443 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:24:25,446 INFO L168 Benchmark]: Toolchain (without parser) took 4195.23 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 59.6 MB in the beginning and 63.6 MB in the end (delta: -4.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:24:25,446 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:24:25,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4190.55 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 59.4 MB in the beginning and 63.6 MB in the end (delta: -4.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:24:25,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 57.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4190.55 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 59.4 MB in the beginning and 63.6 MB in the end (delta: -4.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:24:28,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:24:28,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:24:28,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:24:28,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:24:28,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:24:28,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:24:28,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:24:28,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:24:28,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:24:28,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:24:28,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:24:28,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:24:28,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:24:28,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:24:28,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:24:28,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:24:28,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:24:28,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:24:28,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:24:28,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:24:28,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:24:28,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:24:28,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:24:28,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:24:28,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:24:28,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:24:28,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:24:28,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:24:28,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:24:28,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:24:28,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:24:28,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:24:28,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:24:28,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:24:28,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:24:28,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:24:28,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:24:28,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:24:28,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:24:28,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:24:28,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:24:28,269 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:24:28,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:24:28,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:24:28,272 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:24:28,273 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:24:28,273 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:24:28,273 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:24:28,273 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:24:28,274 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:24:28,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:24:28,276 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:24:28,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:24:28,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:24:28,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:24:28,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:24:28,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:24:28,278 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:24:28,278 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:24:28,278 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:24:28,279 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:24:28,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:24:28,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:24:28,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:24:28,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:24:28,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:24:28,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:24:28,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:24:28,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:24:28,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:24:28,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:24:28,281 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:24:28,281 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:24:28,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:24:28,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:24:28,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:24:28,283 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_98497098-9787-4a09-9cff-9bd900c29229/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2021-10-13 07:24:28,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:24:28,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:24:28,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:24:28,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:24:28,779 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:24:28,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-13 07:24:28,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/data/f1ad7ab26/a72f956988e84a97bf425a8c18e6e44a/FLAG5c5ac1aca [2021-10-13 07:24:29,980 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:24:29,982 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-13 07:24:30,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/data/f1ad7ab26/a72f956988e84a97bf425a8c18e6e44a/FLAG5c5ac1aca [2021-10-13 07:24:30,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98497098-9787-4a09-9cff-9bd900c29229/bin/utaipan-q2qaUkNPG8/data/f1ad7ab26/a72f956988e84a97bf425a8c18e6e44a [2021-10-13 07:24:30,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:24:30,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:24:30,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:24:30,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:24:30,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:24:30,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:24:30" (1/1) ... [2021-10-13 07:24:30,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114a06e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:30, skipping insertion in model container [2021-10-13 07:24:30,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:24:30" (1/1) ... [2021-10-13 07:24:30,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:24:30,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:24:31,013 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_98497098-9787-4a09-9cff-9bd900c29229/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-13 07:24:35,640 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-13 07:24:35,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1969eea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:24:35, skipping insertion in model container [2021-10-13 07:24:35,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:24:35,642 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:24:35,647 INFO L168 Benchmark]: Toolchain (without parser) took 5256.58 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 37.7 MB in the beginning and 39.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:24:35,649 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 58.7 MB. Free memory was 39.8 MB in the beginning and 39.7 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:24:35,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5251.47 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 37.5 MB in the beginning and 39.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:24:35,653 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 58.7 MB. Free memory was 39.8 MB in the beginning and 39.7 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5251.47 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 37.5 MB in the beginning and 39.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 26.8 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...