./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak --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 Kojak --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_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak --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 Kojak --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 0.2.0-69874e2 [2020-12-01 17:51:38,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:51:38,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:51:38,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:51:38,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:51:38,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:51:38,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:51:38,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:51:38,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:51:38,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:51:38,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:51:38,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:51:38,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:51:38,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:51:38,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:51:38,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:51:38,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:51:38,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:51:38,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:51:38,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:51:38,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:51:38,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:51:38,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:51:38,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:51:38,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:51:38,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:51:38,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:51:38,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:51:38,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:51:38,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:51:38,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:51:38,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:51:38,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:51:38,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:51:38,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:51:38,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:51:38,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:51:38,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:51:38,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:51:38,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:51:38,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:51:38,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:51:38,839 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:51:38,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:51:38,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:51:38,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:51:38,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:51:38,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:51:38,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:51:38,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:51:38,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:51:38,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:51:38,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:51:38,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:51:38,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:51:38,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:51:38,845 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:51:38,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:51:38,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:51:38,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:51:38,846 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:51:38,846 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:51:38,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:51:38,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:51:38,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:51:38,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:51:38,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:51:38,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:51:38,848 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:51:38,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:51:38,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:51:38,849 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_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-12-01 17:51:39,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:51:39,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:51:39,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:51:39,278 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:51:39,279 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:51:39,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-12-01 17:51:39,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/data/83e3cfb03/05b4fd2c69e442a9a519d5fb746a10f6/FLAG70797febe [2020-12-01 17:51:40,411 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:51:40,412 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-12-01 17:51:40,469 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/data/83e3cfb03/05b4fd2c69e442a9a519d5fb746a10f6/FLAG70797febe [2020-12-01 17:51:40,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/data/83e3cfb03/05b4fd2c69e442a9a519d5fb746a10f6 [2020-12-01 17:51:40,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:51:40,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:51:40,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:51:40,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:51:40,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:51:40,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:51:40" (1/1) ... [2020-12-01 17:51:40,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793e52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:40, skipping insertion in model container [2020-12-01 17:51:40,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:51:40" (1/1) ... [2020-12-01 17:51:40,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:51:41,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:51:47,134 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-01 17:51:47,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bb135dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:47, skipping insertion in model container [2020-12-01 17:51:47,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:51:47,136 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 17:51:47,139 INFO L168 Benchmark]: Toolchain (without parser) took 6281.90 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 63.7 MB in the beginning and 77.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:51:47,140 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 65.1 MB in the beginning and 65.1 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:51:47,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6278.56 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 63.7 MB in the beginning and 77.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:51:47,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 65.1 MB in the beginning and 65.1 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6278.56 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 63.7 MB in the beginning and 77.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 32.2 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 0.2.0-69874e2 [2020-12-01 17:51:50,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:51:50,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:51:50,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:51:50,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:51:50,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:51:50,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:51:50,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:51:50,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:51:50,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:51:50,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:51:50,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:51:50,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:51:50,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:51:50,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:51:50,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:51:50,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:51:50,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:51:50,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:51:50,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:51:50,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:51:50,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:51:50,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:51:50,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:51:50,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:51:50,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:51:50,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:51:50,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:51:50,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:51:50,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:51:50,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:51:50,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:51:50,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:51:50,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:51:50,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:51:50,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:51:50,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:51:50,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:51:50,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:51:50,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:51:50,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:51:50,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 17:51:50,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:51:50,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:51:50,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:51:50,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:51:50,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:51:50,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:51:50,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:51:50,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:51:50,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:51:50,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:51:50,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:51:50,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:51:50,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:51:50,357 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:51:50,358 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:51:50,358 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:51:50,358 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:51:50,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:51:50,359 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:51:50,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:51:50,359 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:51:50,360 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:51:50,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:51:50,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:51:50,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:51:50,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:51:50,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:51:50,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:51:50,362 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:51:50,362 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:51:50,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:51:50,362 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:51:50,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:51:50,363 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_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-12-01 17:51:50,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:51:50,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:51:50,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:51:50,913 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:51:50,916 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:51:50,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-12-01 17:51:51,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/data/8f2d6a717/c07cd275ebec499d849352b2d62a4521/FLAG10aaea59c [2020-12-01 17:51:52,345 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:51:52,347 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-12-01 17:51:52,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/data/8f2d6a717/c07cd275ebec499d849352b2d62a4521/FLAG10aaea59c [2020-12-01 17:51:52,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8d22bc2b-434b-4d74-9ebe-4b90f8d6c032/bin/ukojak/data/8f2d6a717/c07cd275ebec499d849352b2d62a4521 [2020-12-01 17:51:52,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:51:52,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:51:52,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:51:52,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:51:52,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:51:52,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:51:52" (1/1) ... [2020-12-01 17:51:52,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de4056c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:52, skipping insertion in model container [2020-12-01 17:51:52,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:51:52" (1/1) ... [2020-12-01 17:51:52,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:51:52,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:51:57,781 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-01 17:51:57,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a5b5369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:57, skipping insertion in model container [2020-12-01 17:51:57,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:51:57,783 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 17:51:57,786 INFO L168 Benchmark]: Toolchain (without parser) took 5222.80 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 29.0 MB in the beginning and 46.9 MB in the end (delta: -17.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:51:57,787 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:51:57,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5218.23 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 28.8 MB in the beginning and 46.9 MB in the end (delta: -18.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:51:57,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5218.23 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 28.8 MB in the beginning and 46.9 MB in the end (delta: -18.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...