./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_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_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer --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 6a12094a8f4406ebf79a2184ba1d0efcca615660 ................................................................................................................................ 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_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer --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 6a12094a8f4406ebf79a2184ba1d0efcca615660 .................................................................................................................................. 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 00:46:18,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:46:18,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:46:18,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:46:18,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:46:18,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:46:18,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:46:18,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:46:18,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:46:18,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:46:18,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:46:18,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:46:18,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:46:18,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:46:18,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:46:18,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:46:18,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:46:18,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:46:18,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:46:18,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:46:18,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:46:18,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:46:18,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:46:18,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:46:18,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:46:18,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:46:18,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:46:18,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:46:18,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:46:18,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:46:18,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:46:18,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:46:18,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:46:18,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:46:18,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:46:18,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:46:18,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:46:18,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:46:18,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:46:18,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:46:18,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:46:18,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:46:18,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:46:18,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:46:18,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:46:18,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:46:18,871 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:46:18,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:46:18,872 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:46:18,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:46:18,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:46:18,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:46:18,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:46:18,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:46:18,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:46:18,875 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:46:18,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:46:18,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:46:18,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:46:18,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:46:18,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:46:18,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:46:18,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:46:18,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:46:18,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:46:18,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:46:18,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:46:18,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:46:18,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:46:18,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:46:18,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:46:18,879 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_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2020-11-30 00:46:19,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:46:19,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:46:19,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:46:19,242 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:46:19,243 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:46:19,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-30 00:46:19,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/data/8a0bcf526/87158062361e4e3298f969a090e8563d/FLAGd99aa3018 [2020-11-30 00:46:20,418 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:46:20,420 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-30 00:46:20,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/data/8a0bcf526/87158062361e4e3298f969a090e8563d/FLAGd99aa3018 [2020-11-30 00:46:20,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/data/8a0bcf526/87158062361e4e3298f969a090e8563d [2020-11-30 00:46:20,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:46:20,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:46:20,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:46:20,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:46:20,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:46:20,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:46:20" (1/1) ... [2020-11-30 00:46:20,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c923765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:20, skipping insertion in model container [2020-11-30 00:46:20,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:46:20" (1/1) ... [2020-11-30 00:46:20,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:46:20,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:46:25,441 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-30 00:46:25,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7878029f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:25, skipping insertion in model container [2020-11-30 00:46:25,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:46:25,444 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 00:46:25,449 INFO L168 Benchmark]: Toolchain (without parser) took 4674.17 ms. Allocated memory was 127.9 MB in the beginning and 161.5 MB in the end (delta: 33.6 MB). Free memory was 84.0 MB in the beginning and 123.5 MB in the end (delta: -39.5 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:25,451 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 79.7 MB. Free memory was 39.5 MB in the beginning and 39.4 MB in the end (delta: 17.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:46:25,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4669.95 ms. Allocated memory was 127.9 MB in the beginning and 161.5 MB in the end (delta: 33.6 MB). Free memory was 83.7 MB in the beginning and 123.5 MB in the end (delta: -39.8 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:25,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 79.7 MB. Free memory was 39.5 MB in the beginning and 39.4 MB in the end (delta: 17.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4669.95 ms. Allocated memory was 127.9 MB in the beginning and 161.5 MB in the end (delta: 33.6 MB). Free memory was 83.7 MB in the beginning and 123.5 MB in the end (delta: -39.8 MB). Peak memory consumption was 37.0 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:46:28,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:46:28,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:46:28,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:46:28,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:46:28,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:46:28,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:46:28,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:46:28,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:46:28,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:46:28,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:46:28,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:46:28,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:46:28,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:46:28,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:46:28,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:46:28,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:46:28,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:46:28,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:46:28,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:46:28,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:46:28,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:46:28,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:46:28,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:46:28,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:46:28,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:46:28,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:46:28,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:46:28,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:46:28,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:46:28,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:46:28,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:46:28,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:46:28,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:46:28,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:46:28,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:46:28,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:46:28,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:46:28,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:46:28,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:46:28,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:46:28,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:46:28,363 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:46:28,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:46:28,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:46:28,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:46:28,368 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:46:28,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:46:28,369 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:46:28,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:46:28,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:46:28,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:46:28,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:46:28,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:46:28,372 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:46:28,372 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:46:28,373 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:46:28,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:46:28,373 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:46:28,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:46:28,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:46:28,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:46:28,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:46:28,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:46:28,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:46:28,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:46:28,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:46:28,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:46:28,395 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:46:28,395 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:46:28,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:46:28,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:46:28,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:46:28,396 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_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2020-11-30 00:46:28,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:46:28,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:46:28,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:46:28,891 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:46:28,892 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:46:28,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-30 00:46:28,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/data/fb900e8e6/d9a9a07341904b0fb97c1abb594d94da/FLAG0ff12447c [2020-11-30 00:46:30,076 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:46:30,077 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-30 00:46:30,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/data/fb900e8e6/d9a9a07341904b0fb97c1abb594d94da/FLAG0ff12447c [2020-11-30 00:46:30,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_02c6a4ae-ecf5-446a-9351-400e109daa87/bin/uautomizer/data/fb900e8e6/d9a9a07341904b0fb97c1abb594d94da [2020-11-30 00:46:30,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:46:30,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:46:30,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:46:30,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:46:30,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:46:30,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:46:30" (1/1) ... [2020-11-30 00:46:30,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df93a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:30, skipping insertion in model container [2020-11-30 00:46:30,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:46:30" (1/1) ... [2020-11-30 00:46:30,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:46:30,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:46:36,223 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-30 00:46:36,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2204948e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:46:36, skipping insertion in model container [2020-11-30 00:46:36,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:46:36,225 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 00:46:36,228 INFO L168 Benchmark]: Toolchain (without parser) took 5795.42 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 39.7 MB in the beginning and 42.0 MB in the end (delta: -2.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:36,229 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 67.1 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:46:36,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5791.02 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 39.5 MB in the beginning and 42.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:46:36,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 67.1 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5791.02 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 39.5 MB in the beginning and 42.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 17.8 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...