./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer --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 Automizer --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-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer --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 Automizer --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-a4ecdab [2020-11-28 02:57:29,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:57:29,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:57:29,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:57:29,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:57:29,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:57:29,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:57:29,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:57:29,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:57:29,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:57:29,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:57:29,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:57:29,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:57:29,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:57:29,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:57:29,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:57:29,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:57:29,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:57:29,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:57:29,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:57:29,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:57:29,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:57:29,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:57:29,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:57:29,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:57:29,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:57:29,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:57:29,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:57:29,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:57:29,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:57:29,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:57:29,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:57:29,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:57:29,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:57:29,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:57:29,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:57:29,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:57:29,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:57:29,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:57:29,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:57:29,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:57:29,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:57:29,700 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:57:29,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:57:29,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:57:29,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:57:29,712 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:57:29,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:57:29,712 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:57:29,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:57:29,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:57:29,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:57:29,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:57:29,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:57:29,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:57:29,715 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:57:29,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:57:29,715 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:57:29,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:57:29,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:57:29,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:57:29,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:57:29,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:57:29,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:57:29,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:57:29,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:57:29,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:57:29,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:57:29,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:57:29,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:57:29,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:57:29,719 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-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-11-28 02:57:30,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:57:30,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:57:30,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:57:30,039 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:57:30,040 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:57:30,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 02:57:30,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/data/a88b73f58/c66e9b39a2ab4fb9a8c220565a6cff94/FLAG0a0fa2a72 [2020-11-28 02:57:31,020 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:57:31,021 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 02:57:31,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/data/a88b73f58/c66e9b39a2ab4fb9a8c220565a6cff94/FLAG0a0fa2a72 [2020-11-28 02:57:31,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/data/a88b73f58/c66e9b39a2ab4fb9a8c220565a6cff94 [2020-11-28 02:57:31,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:57:31,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:57:31,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:31,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:57:31,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:57:31,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:31" (1/1) ... [2020-11-28 02:57:31,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425bf827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31, skipping insertion in model container [2020-11-28 02:57:31,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:31" (1/1) ... [2020-11-28 02:57:31,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:57:31,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:57:35,491 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 02:57:35,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cf11372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35, skipping insertion in model container [2020-11-28 02:57:35,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:35,493 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 02:57:35,495 INFO L168 Benchmark]: Toolchain (without parser) took 4405.88 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 52.6 MB in the beginning and 96.2 MB in the end (delta: -43.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:35,496 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:35,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4403.41 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 52.3 MB in the beginning and 96.2 MB in the end (delta: -43.9 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:35,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4403.41 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 52.3 MB in the beginning and 96.2 MB in the end (delta: -43.9 MB). Peak memory consumption was 31.2 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:57:37,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:57:37,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:57:37,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:57:37,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:57:37,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:57:37,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:57:37,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:57:37,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:57:37,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:57:37,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:57:37,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:57:37,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:57:37,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:57:37,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:57:37,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:57:37,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:57:37,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:57:37,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:57:37,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:57:37,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:57:37,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:57:37,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:57:37,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:57:37,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:57:37,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:57:37,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:57:37,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:57:37,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:57:37,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:57:37,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:57:37,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:57:37,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:57:37,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:57:37,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:57:37,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:57:37,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:57:37,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:57:37,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:57:37,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:57:37,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:57:37,782 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 02:57:37,829 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:57:37,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:57:37,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:57:37,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:57:37,831 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:57:37,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:57:37,831 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:57:37,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:57:37,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:57:37,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:57:37,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:57:37,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:57:37,832 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 02:57:37,832 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 02:57:37,832 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:57:37,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:57:37,833 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:57:37,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:57:37,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:57:37,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:57:37,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:57:37,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:57:37,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:57:37,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:57:37,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:57:37,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:57:37,859 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 02:57:37,859 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 02:57:37,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:57:37,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:57:37,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 02:57:37,860 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-11-28 02:57:38,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:57:38,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:57:38,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:57:38,262 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:57:38,263 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:57:38,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 02:57:38,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/data/535bb34e1/cca0c614be254f3bb0b1fe071345a77e/FLAGbb3efd746 [2020-11-28 02:57:39,190 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:57:39,191 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 02:57:39,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/data/535bb34e1/cca0c614be254f3bb0b1fe071345a77e/FLAGbb3efd746 [2020-11-28 02:57:39,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2bd44956-9f1e-4a60-be38-4222143f501c/bin/uautomizer/data/535bb34e1/cca0c614be254f3bb0b1fe071345a77e [2020-11-28 02:57:39,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:57:39,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:57:39,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:39,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:57:39,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:57:39,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:39" (1/1) ... [2020-11-28 02:57:39,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fab7661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:39, skipping insertion in model container [2020-11-28 02:57:39,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:39" (1/1) ... [2020-11-28 02:57:39,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:57:39,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:57:43,116 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 02:57:43,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39e8fc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:43, skipping insertion in model container [2020-11-28 02:57:43,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:43,118 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 02:57:43,120 INFO L168 Benchmark]: Toolchain (without parser) took 3470.19 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 54.8 MB in the beginning and 61.9 MB in the end (delta: -7.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:43,121 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:43,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3468.11 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 54.5 MB in the beginning and 61.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:43,123 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 79.7 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3468.11 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 54.5 MB in the beginning and 61.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 30.2 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...