./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.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_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:47:22,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:47:22,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:47:22,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:47:22,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:47:22,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:47:22,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:47:22,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:47:22,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:47:22,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:47:22,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:47:22,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:47:22,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:47:22,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:47:22,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:47:22,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:47:22,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:47:22,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:47:22,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:47:22,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:47:22,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:47:22,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:47:22,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:47:22,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:47:22,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:47:22,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:47:22,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:47:23,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:47:23,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:47:23,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:47:23,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:47:23,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:47:23,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:47:23,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:47:23,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:47:23,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:47:23,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:47:23,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:47:23,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:47:23,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:47:23,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:47:23,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:47:23,076 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:47:23,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:47:23,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:47:23,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:47:23,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:47:23,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:47:23,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:47:23,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:47:23,090 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:47:23,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:47:23,092 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:47:23,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:47:23,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:47:23,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:47:23,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:47:23,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:47:23,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:47:23,093 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:47:23,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:47:23,094 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:47:23,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:47:23,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:47:23,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:47:23,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:47:23,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:47:23,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:47:23,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:47:23,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:47:23,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:47:23,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:47:23,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:47:23,099 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:47:23,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:47:23,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:47:23,100 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:47:23,100 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:47:23,100 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_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-20 07:47:23,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:47:23,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:47:23,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:47:23,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:47:23,475 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:47:23,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-20 07:47:23,595 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/data/7136fed7f/c1029e35b2da405596c932928f938ab7/FLAG62d9b24be [2021-11-20 07:47:24,602 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:47:24,603 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-20 07:47:24,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/data/7136fed7f/c1029e35b2da405596c932928f938ab7/FLAG62d9b24be [2021-11-20 07:47:24,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/data/7136fed7f/c1029e35b2da405596c932928f938ab7 [2021-11-20 07:47:24,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:47:24,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:47:24,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:47:24,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:47:24,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:47:24,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:24" (1/1) ... [2021-11-20 07:47:24,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe54217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:24, skipping insertion in model container [2021-11-20 07:47:24,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:24" (1/1) ... [2021-11-20 07:47:24,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:47:25,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:47:25,630 WARN L230 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_2497e2c6-f19d-4973-9775-0f3b4c1fff62/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-20 07:47:29,592 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 07:47:29,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@479e07a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:29, skipping insertion in model container [2021-11-20 07:47:29,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:47:29,594 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:47:29,597 INFO L158 Benchmark]: Toolchain (without parser) took 4645.09ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 56.0MB in the beginning and 70.7MB in the end (delta: -14.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2021-11-20 07:47:29,611 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 100.7MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:47:29,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4642.02ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 55.7MB in the beginning and 70.7MB in the end (delta: -14.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2021-11-20 07:47:29,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 100.7MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4642.02ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 55.7MB in the beginning and 70.7MB in the end (delta: -14.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * 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_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.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_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:47:32,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:47:32,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:47:32,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:47:32,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:47:32,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:47:32,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:47:32,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:47:32,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:47:32,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:47:32,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:47:32,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:47:32,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:47:32,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:47:32,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:47:32,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:47:32,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:47:32,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:47:32,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:47:32,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:47:32,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:47:32,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:47:32,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:47:32,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:47:32,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:47:32,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:47:32,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:47:32,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:47:32,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:47:32,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:47:32,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:47:32,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:47:32,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:47:32,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:47:32,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:47:32,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:47:32,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:47:32,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:47:32,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:47:32,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:47:32,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:47:32,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-20 07:47:32,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:47:32,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:47:32,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:47:32,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:47:32,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:47:32,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:47:32,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:47:32,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:47:32,442 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:47:32,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:47:32,444 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:47:32,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:47:32,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:47:32,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:47:32,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:47:32,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:47:32,447 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:47:32,447 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:47:32,447 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:47:32,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:47:32,448 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:47:32,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:47:32,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:47:32,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:47:32,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:47:32,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:47:32,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:47:32,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:47:32,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:47:32,452 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:47:32,452 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:47:32,452 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:47:32,453 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:47:32,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:47:32,454 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:47:32,454 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:47:32,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:47:32,455 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_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-20 07:47:32,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:47:33,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:47:33,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:47:33,011 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:47:33,012 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:47:33,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-20 07:47:33,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/data/38190a571/351109e9551f477ea5f5e6c2c72b7346/FLAG63b0df792 [2021-11-20 07:47:34,362 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:47:34,363 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-20 07:47:34,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/data/38190a571/351109e9551f477ea5f5e6c2c72b7346/FLAG63b0df792 [2021-11-20 07:47:34,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2497e2c6-f19d-4973-9775-0f3b4c1fff62/bin/ugemcutter-b9s2R6iq4d/data/38190a571/351109e9551f477ea5f5e6c2c72b7346 [2021-11-20 07:47:34,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:47:34,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:47:34,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:47:34,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:47:34,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:47:34,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:34" (1/1) ... [2021-11-20 07:47:34,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76350b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:34, skipping insertion in model container [2021-11-20 07:47:34,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:34" (1/1) ... [2021-11-20 07:47:34,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:47:34,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:47:35,330 WARN L230 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_2497e2c6-f19d-4973-9775-0f3b4c1fff62/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-20 07:47:39,343 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-20 07:47:39,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bcaf673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:39, skipping insertion in model container [2021-11-20 07:47:39,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:47:39,345 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 07:47:39,348 INFO L158 Benchmark]: Toolchain (without parser) took 4688.83ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 34.0MB in the beginning and 53.4MB in the end (delta: -19.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-20 07:47:39,349 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 65.0MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:47:39,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4682.49ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 33.7MB in the beginning and 54.0MB in the end (delta: -20.3MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-20 07:47:39,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 65.0MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4682.49ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 33.7MB in the beginning and 54.0MB in the end (delta: -20.3MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * 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