./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_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/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_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/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_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/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_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/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-a4ecdab [2020-11-28 04:36:25,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:36:25,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:36:25,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:36:25,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:36:25,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:36:25,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:36:25,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:36:25,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:36:25,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:36:25,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:36:25,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:36:25,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:36:25,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:36:25,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:36:25,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:36:25,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:36:25,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:36:25,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:36:25,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:36:25,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:36:25,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:36:25,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:36:25,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:36:25,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:36:25,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:36:25,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:36:25,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:36:25,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:36:25,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:36:25,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:36:25,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:36:25,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:36:25,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:36:25,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:36:25,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:36:25,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:36:25,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:36:25,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:36:25,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:36:25,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:36:25,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:36:25,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:36:25,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:36:25,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:36:25,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:36:25,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:36:25,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:36:25,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:36:25,608 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:36:25,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:36:25,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:36:25,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:36:25,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:36:25,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:36:25,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:36:25,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:36:25,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:36:25,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:36:25,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:36:25,610 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:36:25,612 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:36:25,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:36:25,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:36:25,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:36:25,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:36:25,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:36:25,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:36:25,615 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:36:25,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:36:25,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:36:25,621 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_71f9083d-514a-46fc-8194-6e912beeb18a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-11-28 04:36:25,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:36:25,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:36:25,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:36:25,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:36:25,933 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:36:25,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 04:36:26,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/data/bf846b011/7a826e5dc81f41158be58773ccb2cd9d/FLAGb52bcf6f0 [2020-11-28 04:36:26,881 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:36:26,882 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 04:36:26,933 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/data/bf846b011/7a826e5dc81f41158be58773ccb2cd9d/FLAGb52bcf6f0 [2020-11-28 04:36:26,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/data/bf846b011/7a826e5dc81f41158be58773ccb2cd9d [2020-11-28 04:36:26,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:36:26,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:36:26,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:36:26,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:36:26,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:36:26,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:26" (1/1) ... [2020-11-28 04:36:26,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec00346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:26, skipping insertion in model container [2020-11-28 04:36:26,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:26" (1/1) ... [2020-11-28 04:36:27,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:36:27,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:36:30,798 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 04:36:30,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a193d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:30, skipping insertion in model container [2020-11-28 04:36:30,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:36:30,800 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:36:30,802 INFO L168 Benchmark]: Toolchain (without parser) took 3816.27 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 65.4 MB in the beginning and 109.5 MB in the end (delta: -44.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:30,804 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory was 37.4 MB in the beginning and 37.4 MB in the end (delta: 39.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:36:30,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3813.16 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 65.1 MB in the beginning and 109.5 MB in the end (delta: -44.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:30,808 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 79.7 MB. Free memory was 37.4 MB in the beginning and 37.4 MB in the end (delta: 39.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3813.16 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 65.1 MB in the beginning and 109.5 MB in the end (delta: -44.4 MB). Peak memory consumption was 24.1 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 04:36:33,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:36:33,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:36:33,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:36:33,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:36:33,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:36:33,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:36:33,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:36:33,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:36:33,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:36:33,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:36:33,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:36:33,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:36:33,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:36:33,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:36:33,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:36:33,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:36:33,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:36:33,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:36:33,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:36:33,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:36:33,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:36:33,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:36:33,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:36:33,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:36:33,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:36:33,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:36:33,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:36:33,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:36:33,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:36:33,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:36:33,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:36:33,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:36:33,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:36:33,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:36:33,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:36:33,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:36:33,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:36:33,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:36:33,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:36:33,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:36:33,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-28 04:36:33,726 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:36:33,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:36:33,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:36:33,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:36:33,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:36:33,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:36:33,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:36:33,731 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:36:33,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:36:33,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:36:33,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:36:33,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:36:33,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:36:33,734 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:36:33,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:36:33,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:36:33,735 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:36:33,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:36:33,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:36:33,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:36:33,736 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:36:33,736 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:36:33,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:36:33,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:36:33,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:36:33,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:36:33,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:36:33,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:36:33,738 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:36:33,738 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:36:33,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:36:33,738 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:36:33,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:36:33,739 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_71f9083d-514a-46fc-8194-6e912beeb18a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2020-11-28 04:36:34,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:36:34,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:36:34,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:36:34,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:36:34,281 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:36:34,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 04:36:34,362 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/data/77c6feedf/11d2b5085c724ab2853bd8c6becca491/FLAGb01a5f420 [2020-11-28 04:36:35,395 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:36:35,395 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2020-11-28 04:36:35,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/data/77c6feedf/11d2b5085c724ab2853bd8c6becca491/FLAGb01a5f420 [2020-11-28 04:36:35,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71f9083d-514a-46fc-8194-6e912beeb18a/bin/ukojak/data/77c6feedf/11d2b5085c724ab2853bd8c6becca491 [2020-11-28 04:36:35,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:36:35,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:36:35,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:36:35,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:36:35,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:36:35,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:35" (1/1) ... [2020-11-28 04:36:35,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0d92de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35, skipping insertion in model container [2020-11-28 04:36:35,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:35" (1/1) ... [2020-11-28 04:36:35,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:36:35,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:36:39,798 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 04:36:39,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26157ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:39, skipping insertion in model container [2020-11-28 04:36:39,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:36:39,800 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:36:39,803 INFO L168 Benchmark]: Toolchain (without parser) took 4072.86 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 24.1 MB in the beginning and 38.0 MB in the end (delta: -13.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:39,804 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 56.6 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:36:39,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4069.96 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 24.0 MB in the beginning and 38.0 MB in the end (delta: -14.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:39,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 56.6 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4069.96 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 24.0 MB in the beginning and 38.0 MB in the end (delta: -14.1 MB). Peak memory consumption was 15.2 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...