./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/config/GemCutterReach.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_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:04:41,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:04:41,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:04:41,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:04:41,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:04:41,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:04:41,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:04:41,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:04:41,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:04:41,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:04:41,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:04:41,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:04:41,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:04:41,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:04:41,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:04:41,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:04:41,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:04:41,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:04:41,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:04:41,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:04:41,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:04:41,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:04:41,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:04:41,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:04:41,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:04:41,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:04:41,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:04:41,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:04:41,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:04:41,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:04:41,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:04:41,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:04:41,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:04:41,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:04:41,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:04:41,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:04:41,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:04:41,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:04:41,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:04:41,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:04:41,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:04:41,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-02 22:04:41,598 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:04:41,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:04:41,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:04:41,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:04:41,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:04:41,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:04:41,607 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:04:41,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:04:41,608 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:04:41,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:04:41,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:04:41,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:04:41,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:04:41,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:04:41,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:04:41,610 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:04:41,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:04:41,611 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:04:41,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:04:41,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:04:41,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:04:41,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-02 22:04:41,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:04:41,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:41,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:04:41,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:04:41,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:04:41,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:04:41,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:04:41,615 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:04:41,615 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-02 22:04:41,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:04:41,616 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-02 22:04:41,616 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-02 22:04:41,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-11-02 22:04:41,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:04:41,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:04:41,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:04:41,906 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:04:41,907 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:04:41,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-02 22:04:41,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/data/34279de45/4bffb82c0bdb4b6fa2ea463b59c7016c/FLAG7451afe70 [2021-11-02 22:04:42,917 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:04:42,918 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-02 22:04:42,979 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/data/34279de45/4bffb82c0bdb4b6fa2ea463b59c7016c/FLAG7451afe70 [2021-11-02 22:04:43,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/data/34279de45/4bffb82c0bdb4b6fa2ea463b59c7016c [2021-11-02 22:04:43,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:04:43,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:04:43,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:43,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:04:43,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:04:43,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:43" (1/1) ... [2021-11-02 22:04:43,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557edb52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:43, skipping insertion in model container [2021-11-02 22:04:43,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:43" (1/1) ... [2021-11-02 22:04:43,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:04:43,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:04:43,979 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_eee4b248-dac5-402a-b319-c8a30489f938/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-11-02 22:04:47,656 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-02 22:04:47,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dd85fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:47, skipping insertion in model container [2021-11-02 22:04:47,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:47,657 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-02 22:04:47,659 INFO L168 Benchmark]: Toolchain (without parser) took 4280.68 ms. Allocated memory is still 98.6 MB. Free memory was 68.4 MB in the beginning and 64.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:47,660 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 79.7 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:04:47,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4276.34 ms. Allocated memory is still 98.6 MB. Free memory was 68.1 MB in the beginning and 64.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:47,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 79.7 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4276.34 ms. Allocated memory is still 98.6 MB. Free memory was 68.1 MB in the beginning and 64.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 38.8 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/config/GemCutterReach.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_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:04:49,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:04:49,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:04:49,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:04:49,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:04:49,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:04:49,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:04:49,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:04:49,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:04:49,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:04:49,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:04:49,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:04:49,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:04:49,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:04:49,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:04:49,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:04:49,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:04:49,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:04:49,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:04:49,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:04:49,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:04:49,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:04:49,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:04:49,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:04:49,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:04:49,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:04:49,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:04:49,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:04:49,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:04:49,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:04:49,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:04:49,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:04:49,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:04:49,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:04:49,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:04:49,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:04:49,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:04:49,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:04:49,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:04:49,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:04:49,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:04:49,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-02 22:04:50,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:04:50,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:04:50,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:04:50,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:04:50,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:04:50,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:04:50,038 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:04:50,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:04:50,039 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:04:50,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:04:50,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:04:50,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:04:50,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:04:50,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:04:50,041 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-02 22:04:50,041 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-02 22:04:50,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:04:50,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:04:50,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:04:50,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:04:50,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:04:50,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:04:50,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:04:50,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:50,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:04:50,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:04:50,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:04:50,044 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-02 22:04:50,044 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-02 22:04:50,045 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:04:50,045 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-02 22:04:50,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:04:50,045 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-02 22:04:50,046 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-02 22:04:50,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-02 22:04:50,046 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_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-11-02 22:04:50,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:04:50,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:04:50,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:04:50,451 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:04:50,452 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:04:50,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-02 22:04:50,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/data/6d4e5f0e5/705b8e41b791434c8d7f6e851ffd2a84/FLAG05d741744 [2021-11-02 22:04:51,482 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:04:51,483 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-02 22:04:51,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/data/6d4e5f0e5/705b8e41b791434c8d7f6e851ffd2a84/FLAG05d741744 [2021-11-02 22:04:52,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eee4b248-dac5-402a-b319-c8a30489f938/bin/ugemcutter-gZIa6NM3Pm/data/6d4e5f0e5/705b8e41b791434c8d7f6e851ffd2a84 [2021-11-02 22:04:52,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:04:52,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:04:52,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:52,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:04:52,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:04:52,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:52" (1/1) ... [2021-11-02 22:04:52,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623fa00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:52, skipping insertion in model container [2021-11-02 22:04:52,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:52" (1/1) ... [2021-11-02 22:04:52,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:04:52,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:04:52,629 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_eee4b248-dac5-402a-b319-c8a30489f938/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-11-02 22:04:55,763 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-02 22:04:55,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a332aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:55, skipping insertion in model container [2021-11-02 22:04:55,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:55,764 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-02 22:04:55,766 INFO L168 Benchmark]: Toolchain (without parser) took 3724.24 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 28.7 MB in the beginning and 48.7 MB in the end (delta: -19.9 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:55,767 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:04:55,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3721.73 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 28.6 MB in the beginning and 48.7 MB in the end (delta: -20.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:55,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3721.73 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 28.6 MB in the beginning and 48.7 MB in the end (delta: -20.1 MB). Peak memory consumption was 19.2 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN