./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:21:42,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:21:42,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:21:42,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:21:42,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:21:42,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:21:42,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:21:42,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:21:42,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:21:42,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:21:42,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:21:42,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:21:42,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:21:42,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:21:42,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:21:42,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:21:42,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:21:42,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:21:42,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:21:42,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:21:42,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:21:42,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:21:42,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:21:42,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:21:42,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:21:42,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:21:42,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:21:42,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:21:42,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:21:42,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:21:42,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:21:42,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:21:42,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:21:42,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:21:42,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:21:42,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:21:42,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:21:42,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:21:42,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:21:42,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:21:42,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:21:42,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-02 22:21:42,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:21:42,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:21:42,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:21:42,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:21:42,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:21:42,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:21:42,838 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:21:42,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:21:42,838 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:21:42,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:21:42,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:21:42,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:21:42,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:21:42,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:21:42,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:21:42,841 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:21:42,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:21:42,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:21:42,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:21:42,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:21:42,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:21:42,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:21:42,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:21:42,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:21:42,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:21:42,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:21:42,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:21:42,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:21:42,844 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:21:42,844 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:21:42,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:21:42,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:21:42,845 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_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-02 22:21:43,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:21:43,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:21:43,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:21:43,153 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:21:43,153 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:21:43,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-02 22:21:43,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/data/2459003a9/ef23ff595c6c4b3990975aedfe6150dc/FLAGb7b44d547 [2021-11-02 22:21:44,101 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:21:44,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-02 22:21:44,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/data/2459003a9/ef23ff595c6c4b3990975aedfe6150dc/FLAGb7b44d547 [2021-11-02 22:21:44,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/data/2459003a9/ef23ff595c6c4b3990975aedfe6150dc [2021-11-02 22:21:44,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:21:44,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:21:44,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:21:44,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:21:44,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:21:44,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:21:44" (1/1) ... [2021-11-02 22:21:44,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e90a077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:44, skipping insertion in model container [2021-11-02 22:21:44,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:21:44" (1/1) ... [2021-11-02 22:21:44,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:21:44,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:21:44,751 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-02 22:21:49,325 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-02 22:21:49,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@637553f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:49, skipping insertion in model container [2021-11-02 22:21:49,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:21:49,327 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-02 22:21:49,330 INFO L168 Benchmark]: Toolchain (without parser) took 5136.52 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 52.4 MB in the beginning and 80.2 MB in the end (delta: -27.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:21:49,330 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory is still 62.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:21:49,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5133.87 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 52.2 MB in the beginning and 80.8 MB in the end (delta: -28.5 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:21:49,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory is still 62.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5133.87 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 52.2 MB in the beginning and 80.8 MB in the end (delta: -28.5 MB). Peak memory consumption was 33.9 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:21:51,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:21:51,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:21:51,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:21:51,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:21:51,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:21:51,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:21:51,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:21:51,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:21:51,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:21:51,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:21:51,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:21:51,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:21:51,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:21:51,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:21:51,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:21:51,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:21:51,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:21:51,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:21:51,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:21:51,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:21:51,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:21:51,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:21:51,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:21:51,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:21:51,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:21:51,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:21:51,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:21:51,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:21:51,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:21:51,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:21:51,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:21:51,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:21:51,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:21:51,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:21:51,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:21:51,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:21:51,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:21:51,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:21:51,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:21:51,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:21:51,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-02 22:21:51,925 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:21:51,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:21:51,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:21:51,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:21:51,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:21:51,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:21:51,929 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:21:51,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:21:51,929 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:21:51,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:21:51,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:21:51,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:21:51,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:21:51,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:21:51,932 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-02 22:21:51,932 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-02 22:21:51,933 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:21:51,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:21:51,933 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:21:51,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:21:51,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:21:51,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:21:51,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:21:51,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:21:51,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:21:51,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:21:51,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:21:51,936 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-02 22:21:51,936 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-02 22:21:51,937 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:21:51,937 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:21:51,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:21:51,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:21:51,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-02 22:21:51,938 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_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-02 22:21:52,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:21:52,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:21:52,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:21:52,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:21:52,370 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:21:52,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-02 22:21:52,445 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/data/7b03e432c/3d4d0aec247146f8b2552721c658f75c/FLAG82aa5b0f4 [2021-11-02 22:21:53,439 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:21:53,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-02 22:21:53,508 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/data/7b03e432c/3d4d0aec247146f8b2552721c658f75c/FLAG82aa5b0f4 [2021-11-02 22:21:53,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/bin/uautomizer-tBqnrhUYjU/data/7b03e432c/3d4d0aec247146f8b2552721c658f75c [2021-11-02 22:21:53,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:21:53,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:21:53,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:21:53,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:21:53,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:21:53,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:21:53" (1/1) ... [2021-11-02 22:21:53,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4bbaea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:53, skipping insertion in model container [2021-11-02 22:21:53,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:21:53" (1/1) ... [2021-11-02 22:21:53,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:21:54,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:21:54,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6af4a48c-5006-439b-bbb1-da4e4ce2d94b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-02 22:21:57,724 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-02 22:21:57,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bea61a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:21:57, skipping insertion in model container [2021-11-02 22:21:57,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:21:57,726 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-02 22:21:57,728 INFO L168 Benchmark]: Toolchain (without parser) took 3857.09 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 33.5 MB in the beginning and 35.7 MB in the end (delta: -2.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:21:57,729 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory was 36.3 MB in the beginning and 36.2 MB in the end (delta: 39.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:21:57,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3852.34 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 33.3 MB in the beginning and 35.7 MB in the end (delta: -2.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:21:57,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory was 36.3 MB in the beginning and 36.2 MB in the end (delta: 39.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3852.34 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 33.3 MB in the beginning and 35.7 MB in the end (delta: -2.4 MB). Peak memory consumption was 25.6 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN