./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.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_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/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 e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ................................................................................................................................ 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_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/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 e8fab23d5cd00fa47cc475e98f18b62d09cf6afd .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:23:44,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:23:44,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:23:44,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:23:44,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:23:44,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:23:44,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:23:44,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:23:44,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:23:44,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:23:44,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:23:44,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:23:44,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:23:44,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:23:44,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:23:44,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:23:44,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:23:44,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:23:44,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:23:44,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:23:44,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:23:44,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:23:44,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:23:44,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:23:44,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:23:44,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:23:44,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:23:44,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:23:44,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:23:44,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:23:44,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:23:44,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:23:44,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:23:44,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:23:44,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:23:44,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:23:44,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:23:44,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:23:44,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:23:44,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:23:44,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:23:44,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:23:44,815 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:23:44,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:23:44,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:23:44,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:23:44,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:23:44,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:23:44,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:23:44,820 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:23:44,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:23:44,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:23:44,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:23:44,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:23:44,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:23:44,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:23:44,823 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:23:44,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:23:44,823 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:23:44,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:23:44,824 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:23:44,824 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:23:44,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:23:44,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:23:44,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:23:44,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:23:44,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:23:44,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:23:44,827 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:23:44,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:23:44,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:23:44,828 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_df758453-9897-45bd-8642-b61f8245427e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-11-30 01:23:45,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:23:45,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:23:45,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:23:45,355 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:23:45,358 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:23:45,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-30 01:23:45,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/data/9117761be/e169291eeca044f1bb7accb785a673bf/FLAG5d1ee8059 [2020-11-30 01:23:46,686 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:23:46,688 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-30 01:23:46,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/data/9117761be/e169291eeca044f1bb7accb785a673bf/FLAG5d1ee8059 [2020-11-30 01:23:46,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/data/9117761be/e169291eeca044f1bb7accb785a673bf [2020-11-30 01:23:46,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:23:46,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:23:46,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:23:46,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:23:47,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:23:47,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:23:46" (1/1) ... [2020-11-30 01:23:47,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddab33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:23:47, skipping insertion in model container [2020-11-30 01:23:47,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:23:46" (1/1) ... [2020-11-30 01:23:47,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:23:47,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:23:54,034 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-30 01:23:54,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a262f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:23:54, skipping insertion in model container [2020-11-30 01:23:54,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:23:54,036 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:23:54,040 INFO L168 Benchmark]: Toolchain (without parser) took 7047.42 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 64.3 MB in the beginning and 89.0 MB in the end (delta: -24.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:23:54,043 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 102.8 MB. Free memory is still 59.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:23:54,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7038.04 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 64.0 MB in the beginning and 89.0 MB in the end (delta: -25.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:23:54,049 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 102.8 MB. Free memory is still 59.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 7038.04 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 64.0 MB in the beginning and 89.0 MB in the end (delta: -25.0 MB). Peak memory consumption was 30.6 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 [2020-11-30 01:23:57,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:23:57,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:23:57,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:23:57,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:23:57,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:23:57,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:23:57,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:23:57,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:23:57,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:23:57,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:23:57,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:23:57,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:23:57,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:23:57,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:23:57,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:23:57,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:23:57,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:23:57,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:23:57,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:23:57,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:23:57,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:23:57,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:23:57,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:23:57,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:23:57,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:23:57,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:23:57,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:23:57,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:23:57,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:23:57,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:23:57,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:23:57,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:23:57,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:23:57,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:23:57,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:23:57,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:23:57,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:23:57,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:23:57,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:23:57,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:23:57,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-30 01:23:57,692 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:23:57,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:23:57,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:23:57,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:23:57,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:23:57,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:23:57,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:23:57,701 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:23:57,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:23:57,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:23:57,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:23:57,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:23:57,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:23:57,704 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:23:57,704 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:23:57,705 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:23:57,705 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:23:57,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:23:57,705 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:23:57,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:23:57,706 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:23:57,706 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:23:57,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:23:57,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:23:57,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:23:57,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:23:57,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:23:57,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:23:57,708 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:23:57,709 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:23:57,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:23:57,709 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-30 01:23:57,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:23:57,710 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_df758453-9897-45bd-8642-b61f8245427e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2020-11-30 01:23:58,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:23:58,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:23:58,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:23:58,411 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:23:58,417 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:23:58,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-30 01:23:58,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/data/90692fef3/590e8d5428cc4cc481c476a30698b1d7/FLAG857f64056 [2020-11-30 01:24:00,041 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:24:00,042 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-11-30 01:24:00,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/data/90692fef3/590e8d5428cc4cc481c476a30698b1d7/FLAG857f64056 [2020-11-30 01:24:00,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df758453-9897-45bd-8642-b61f8245427e/bin/ukojak/data/90692fef3/590e8d5428cc4cc481c476a30698b1d7 [2020-11-30 01:24:00,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:24:00,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:24:00,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:24:00,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:24:00,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:24:00,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e01a8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:00, skipping insertion in model container [2020-11-30 01:24:00,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:24:00" (1/1) ... [2020-11-30 01:24:00,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:24:00,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:24:06,606 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-30 01:24:06,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dbab1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:24:06, skipping insertion in model container [2020-11-30 01:24:06,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:24:06,608 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:24:06,611 INFO L168 Benchmark]: Toolchain (without parser) took 6360.85 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 49.1 MB in the beginning and 52.8 MB in the end (delta: -3.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:06,616 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 75.5 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:24:06,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6353.76 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 48.9 MB in the beginning and 52.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:24:06,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 75.5 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6353.76 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 48.9 MB in the beginning and 52.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 26.9 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...