./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 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw --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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:19:35,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:19:35,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:19:35,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:19:35,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:19:35,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:19:35,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:19:35,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:19:35,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:19:35,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:19:35,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:19:35,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:19:35,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:19:35,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:19:35,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:19:35,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:19:35,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:19:35,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:19:35,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:19:35,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:19:35,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:19:35,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:19:35,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:19:35,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:19:35,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:19:35,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:19:35,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:19:35,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:19:35,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:19:35,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:19:35,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:19:35,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:19:35,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:19:35,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:19:35,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:19:35,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:19:35,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:19:35,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:19:35,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:19:35,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:19:35,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:19:35,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:19:35,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:19:35,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:19:35,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:19:35,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:19:35,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:19:35,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:19:35,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:19:35,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:19:35,347 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:19:35,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:19:35,349 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:19:35,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:19:35,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:19:35,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:19:35,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:19:35,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:19:35,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:19:35,351 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:19:35,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:19:35,352 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:19:35,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:19:35,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:19:35,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:19:35,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:19:35,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:19:35,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:19:35,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:19:35,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:19:35,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:19:35,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:19:35,357 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:19:35,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:19:35,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:19:35,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:19:35,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:19:35,359 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:19:35,359 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:19:35,360 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_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-11-23 14:19:35,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:19:35,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:19:35,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:19:35,748 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:19:35,756 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:19:35,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-23 14:19:35,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/data/201369c4c/3c942eb3477146fea2c5b5e9e914f449/FLAGca7e292f9 [2021-11-23 14:19:36,936 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:19:36,937 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-23 14:19:37,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/data/201369c4c/3c942eb3477146fea2c5b5e9e914f449/FLAGca7e292f9 [2021-11-23 14:19:37,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/data/201369c4c/3c942eb3477146fea2c5b5e9e914f449 [2021-11-23 14:19:37,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:19:37,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:19:37,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:19:37,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:19:37,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:19:37,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:37" (1/1) ... [2021-11-23 14:19:37,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be2a195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:37, skipping insertion in model container [2021-11-23 14:19:37,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:37" (1/1) ... [2021-11-23 14:19:37,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:19:37,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:19:37,888 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_28493e04-5299-447e-aa8c-48da934e6310/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-11-23 14:19:41,948 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 14:19:41,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@741b1ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:41, skipping insertion in model container [2021-11-23 14:19:41,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:19:41,950 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 14:19:41,953 INFO L158 Benchmark]: Toolchain (without parser) took 4670.42ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 54.7MB in the beginning and 94.0MB in the end (delta: -39.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-23 14:19:41,954 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 71.9MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:19:41,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4665.05ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 54.4MB in the beginning and 94.0MB in the end (delta: -39.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-23 14:19:41,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 71.9MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4665.05ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 54.4MB in the beginning and 94.0MB in the end (delta: -39.6MB). Peak memory consumption was 26.5MB. 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 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_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw --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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:19:44,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:19:44,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:19:44,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:19:44,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:19:44,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:19:44,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:19:44,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:19:45,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:19:45,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:19:45,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:19:45,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:19:45,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:19:45,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:19:45,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:19:45,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:19:45,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:19:45,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:19:45,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:19:45,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:19:45,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:19:45,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:19:45,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:19:45,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:19:45,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:19:45,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:19:45,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:19:45,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:19:45,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:19:45,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:19:45,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:19:45,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:19:45,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:19:45,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:19:45,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:19:45,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:19:45,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:19:45,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:19:45,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:19:45,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:19:45,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:19:45,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-23 14:19:45,128 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:19:45,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:19:45,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:19:45,129 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:19:45,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:19:45,130 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:19:45,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:19:45,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:19:45,131 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:19:45,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:19:45,132 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:19:45,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:19:45,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:19:45,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:19:45,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:19:45,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:19:45,133 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 14:19:45,133 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 14:19:45,133 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:19:45,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:19:45,134 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:19:45,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:19:45,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:19:45,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:19:45,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:19:45,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:19:45,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:19:45,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:19:45,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:19:45,136 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-23 14:19:45,136 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:19:45,136 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 14:19:45,137 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:19:45,137 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:19:45,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:19:45,137 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:19:45,138 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:19:45,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 14:19:45,138 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_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-11-23 14:19:45,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:19:45,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:19:45,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:19:45,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:19:45,711 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:19:45,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-23 14:19:45,815 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/data/bd708a01f/37404525bb89428883d6f8fb0d0ffe45/FLAG8d8a4c3ca [2021-11-23 14:19:47,081 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:19:47,082 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-11-23 14:19:47,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/data/bd708a01f/37404525bb89428883d6f8fb0d0ffe45/FLAG8d8a4c3ca [2021-11-23 14:19:47,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28493e04-5299-447e-aa8c-48da934e6310/bin/ugemcutter-aZbSL5k0Dw/data/bd708a01f/37404525bb89428883d6f8fb0d0ffe45 [2021-11-23 14:19:47,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:19:47,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:19:47,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:19:47,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:19:47,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:19:47,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:47" (1/1) ... [2021-11-23 14:19:47,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6de8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:47, skipping insertion in model container [2021-11-23 14:19:47,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:47" (1/1) ... [2021-11-23 14:19:47,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:19:47,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:19:48,199 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_28493e04-5299-447e-aa8c-48da934e6310/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-11-23 14:19:52,282 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-23 14:19:52,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1aa5b1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:52, skipping insertion in model container [2021-11-23 14:19:52,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:19:52,283 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 14:19:52,286 INFO L158 Benchmark]: Toolchain (without parser) took 4895.81ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.5MB in the beginning and 39.0MB in the end (delta: -5.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2021-11-23 14:19:52,287 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 37.4MB in the beginning and 37.4MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:19:52,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4892.53ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 39.0MB in the end (delta: -5.7MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2021-11-23 14:19:52,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 37.4MB in the beginning and 37.4MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4892.53ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 39.0MB in the end (delta: -5.7MB). Peak memory consumption was 24.2MB. 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