./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_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_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI --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 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 ........................................................................................................................................... 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_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI --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 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:38,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:38,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:38,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:38,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:38,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:38,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:38,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:38,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:38,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:38,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:38,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:38,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:38,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:38,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:38,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:38,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:38,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:38,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:38,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:38,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:38,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:38,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:38,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:38,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:38,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:38,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:38,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:38,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:38,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:38,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:38,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:38,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:38,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:38,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:38,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:38,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:38,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:38,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:38,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:38,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:38,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:38,570 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:38,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:38,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:38,572 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:38,573 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:38,573 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:38,573 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:38,573 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:38,574 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:38,574 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:38,575 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:38,576 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:38,576 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:38,576 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:38,577 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:38,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:38,578 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:38,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:38,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:38,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:38,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:38,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:38,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:38,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:38,580 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:38,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:38,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:38,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:38,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:38,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:38,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:38,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:38,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:38,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:38,583 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:38,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:38,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:38,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:38,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:38,584 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_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2021-10-11 02:28:38,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:38,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:38,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:38,867 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:38,868 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:38,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-11 02:28:38,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/data/d166beeeb/3dfbbf86f6c1498985eac524c99fa115/FLAGc67b994c7 [2021-10-11 02:28:39,798 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:39,801 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-11 02:28:39,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/data/d166beeeb/3dfbbf86f6c1498985eac524c99fa115/FLAGc67b994c7 [2021-10-11 02:28:40,278 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/data/d166beeeb/3dfbbf86f6c1498985eac524c99fa115 [2021-10-11 02:28:40,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:40,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:40,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:40,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:40,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:40,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:40" (1/1) ... [2021-10-11 02:28:40,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752b04fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:40, skipping insertion in model container [2021-10-11 02:28:40,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:40" (1/1) ... [2021-10-11 02:28:40,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:40,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:40,866 WARN L226 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_7f9c0434-dacb-46ed-ae7e-2c0727732b92/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-11 02:28:45,160 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-11 02:28:45,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31b1a4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:45, skipping insertion in model container [2021-10-11 02:28:45,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:45,161 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:45,164 INFO L168 Benchmark]: Toolchain (without parser) took 4880.23 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 48.6 MB in the beginning and 79.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:45,165 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:45,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4877.22 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 48.5 MB in the beginning and 79.0 MB in the end (delta: -30.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:45,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4877.22 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 48.5 MB in the beginning and 79.0 MB in the end (delta: -30.5 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 0.2.0-7b2dab5 [2021-10-11 02:28:47,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:47,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:47,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:47,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:47,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:47,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:47,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:47,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:47,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:47,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:47,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:47,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:47,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:47,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:47,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:47,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:47,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:47,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:47,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:47,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:47,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:47,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:47,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:47,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:47,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:47,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:47,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:47,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:47,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:47,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:47,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:47,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:47,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:47,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:47,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:47,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:47,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:47,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:47,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:47,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:47,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:47,575 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:47,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:47,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:47,598 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:47,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:47,598 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:47,598 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:47,599 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:47,599 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:47,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:47,602 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:47,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:47,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:47,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:47,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:47,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:47,603 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:47,604 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:47,604 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:47,604 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:47,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:47,605 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:47,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:47,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:47,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:47,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:47,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:47,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:47,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:47,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:47,607 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:47,607 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:47,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:47,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:47,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:47,608 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_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2021-10-11 02:28:47,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:48,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:48,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:48,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:48,015 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:48,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-11 02:28:48,092 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/data/f97644ffe/0feb577c3b6146399531ac7500afebfe/FLAG2dfbaa640 [2021-10-11 02:28:48,952 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:48,952 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-11 02:28:49,013 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/data/f97644ffe/0feb577c3b6146399531ac7500afebfe/FLAG2dfbaa640 [2021-10-11 02:28:49,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f9c0434-dacb-46ed-ae7e-2c0727732b92/bin/utaipan-WLngWcDbfI/data/f97644ffe/0feb577c3b6146399531ac7500afebfe [2021-10-11 02:28:49,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:49,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:49,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:49,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:49,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:49,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:49" (1/1) ... [2021-10-11 02:28:49,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7d165e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:49, skipping insertion in model container [2021-10-11 02:28:49,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:49" (1/1) ... [2021-10-11 02:28:49,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:49,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:50,131 WARN L226 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_7f9c0434-dacb-46ed-ae7e-2c0727732b92/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-11 02:28:53,664 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-11 02:28:53,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2348856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:53, skipping insertion in model container [2021-10-11 02:28:53,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:53,665 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:53,667 INFO L168 Benchmark]: Toolchain (without parser) took 4219.07 ms. Allocated memory was 65.0 MB in the beginning and 92.3 MB in the end (delta: 27.3 MB). Free memory was 33.9 MB in the beginning and 56.6 MB in the end (delta: -22.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:53,668 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:53,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4214.31 ms. Allocated memory was 65.0 MB in the beginning and 92.3 MB in the end (delta: 27.3 MB). Free memory was 33.7 MB in the beginning and 56.6 MB in the end (delta: -22.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:53,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4214.31 ms. Allocated memory was 65.0 MB in the beginning and 92.3 MB in the end (delta: 27.3 MB). Free memory was 33.7 MB in the beginning and 56.6 MB in the end (delta: -22.9 MB). Peak memory consumption was 22.0 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...