./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_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_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/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 eefa9a333e1ee4770c037634061df0061348ca43 ................................................................................................................................ 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_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/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 eefa9a333e1ee4770c037634061df0061348ca43 .................................................................................................................................... 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 04:37:45,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:37:45,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:37:45,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:37:45,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:37:45,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:37:45,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:37:45,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:37:45,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:37:45,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:37:45,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:37:45,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:37:45,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:37:45,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:37:45,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:37:45,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:37:45,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:37:45,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:37:45,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:37:45,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:37:45,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:37:45,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:37:45,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:37:45,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:37:45,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:37:45,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:37:45,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:37:45,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:37:45,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:37:45,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:37:45,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:37:45,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:37:45,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:37:45,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:37:45,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:37:45,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:37:45,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:37:45,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:37:45,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:37:45,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:37:45,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:37:45,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:37:45,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:37:45,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:37:45,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:37:45,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:37:45,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:37:45,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:37:45,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:37:45,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:37:45,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:37:45,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:37:45,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:37:45,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:37:45,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:37:45,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:37:45,654 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:37:45,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:37:45,655 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:37:45,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:37:45,655 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:37:45,655 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:37:45,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:37:45,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:37:45,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:37:45,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:37:45,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:37:45,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:37:45,657 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:37:45,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:37:45,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:37:45,657 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_46d2a945-065a-45f6-adda-d5ade03393ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-11-28 04:37:45,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:37:46,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:37:46,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:37:46,020 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:37:46,021 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:37:46,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-11-28 04:37:46,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/data/6ff760612/0c40237ae2554104853881dadc87124d/FLAG1f36ecf15 [2020-11-28 04:37:47,084 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:37:47,085 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-11-28 04:37:47,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/data/6ff760612/0c40237ae2554104853881dadc87124d/FLAG1f36ecf15 [2020-11-28 04:37:47,470 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/data/6ff760612/0c40237ae2554104853881dadc87124d [2020-11-28 04:37:47,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:37:47,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:37:47,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:47,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:37:47,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:37:47,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:47,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab513ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:47, skipping insertion in model container [2020-11-28 04:37:47,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:47" (1/1) ... [2020-11-28 04:37:47,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:37:47,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:37:51,514 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 04:37:51,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5abf7ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:51, skipping insertion in model container [2020-11-28 04:37:51,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:51,516 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:37:51,518 INFO L168 Benchmark]: Toolchain (without parser) took 4041.73 ms. Allocated memory was 138.4 MB in the beginning and 195.0 MB in the end (delta: 56.6 MB). Free memory was 98.4 MB in the beginning and 160.3 MB in the end (delta: -61.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:51,519 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 88.1 MB. Free memory was 46.5 MB in the beginning and 46.4 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:51,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4035.62 ms. Allocated memory was 138.4 MB in the beginning and 195.0 MB in the end (delta: 56.6 MB). Free memory was 98.4 MB in the beginning and 160.3 MB in the end (delta: -61.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:51,522 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 88.1 MB. Free memory was 46.5 MB in the beginning and 46.4 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4035.62 ms. Allocated memory was 138.4 MB in the beginning and 195.0 MB in the end (delta: 56.6 MB). Free memory was 98.4 MB in the beginning and 160.3 MB in the end (delta: -61.9 MB). Peak memory consumption was 35.3 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 04:37:53,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:37:53,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:37:53,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:37:53,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:37:53,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:37:53,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:37:53,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:37:53,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:37:53,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:37:53,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:37:53,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:37:53,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:37:53,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:37:53,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:37:53,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:37:53,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:37:53,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:37:53,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:37:53,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:37:53,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:37:53,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:37:53,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:37:53,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:37:53,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:37:53,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:37:53,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:37:53,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:37:53,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:37:54,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:37:54,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:37:54,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:37:54,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:37:54,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:37:54,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:37:54,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:37:54,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:37:54,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:37:54,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:37:54,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:37:54,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:37:54,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-28 04:37:54,064 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:37:54,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:37:54,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:37:54,067 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:37:54,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:37:54,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:37:54,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:37:54,070 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:37:54,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:37:54,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:37:54,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:37:54,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:37:54,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:37:54,072 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:37:54,073 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:37:54,073 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:37:54,073 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:37:54,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:37:54,074 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:37:54,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:37:54,074 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:37:54,074 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:37:54,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:37:54,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:37:54,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:37:54,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:37:54,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:37:54,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:37:54,076 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:37:54,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:37:54,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:37:54,077 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:37:54,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:37:54,077 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_46d2a945-065a-45f6-adda-d5ade03393ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eefa9a333e1ee4770c037634061df0061348ca43 [2020-11-28 04:37:54,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:37:54,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:37:54,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:37:54,496 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:37:54,499 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:37:54,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-11-28 04:37:54,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/data/7d4c90854/d4768c8470d04e3c815b77d40e0b30d7/FLAG67accf121 [2020-11-28 04:37:55,529 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:37:55,530 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2020-11-28 04:37:55,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/data/7d4c90854/d4768c8470d04e3c815b77d40e0b30d7/FLAG67accf121 [2020-11-28 04:37:55,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_46d2a945-065a-45f6-adda-d5ade03393ba/bin/ukojak/data/7d4c90854/d4768c8470d04e3c815b77d40e0b30d7 [2020-11-28 04:37:55,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:37:55,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:37:55,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:55,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:37:55,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:37:55,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:55" (1/1) ... [2020-11-28 04:37:55,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e99c561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:55, skipping insertion in model container [2020-11-28 04:37:55,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:55" (1/1) ... [2020-11-28 04:37:55,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:37:56,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:38:00,240 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 04:38:00,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fa24a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:00, skipping insertion in model container [2020-11-28 04:38:00,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:00,242 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:38:00,245 INFO L168 Benchmark]: Toolchain (without parser) took 4279.74 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 38.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:00,247 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 56.6 MB. Free memory was 38.2 MB in the beginning and 38.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:00,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4271.58 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 23.9 MB in the beginning and 38.1 MB in the end (delta: -14.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:00,254 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 56.6 MB. Free memory was 38.2 MB in the beginning and 38.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4271.58 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 23.9 MB in the beginning and 38.1 MB in the end (delta: -14.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...