./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/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_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA --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 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:43:28,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:43:28,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:43:28,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:43:28,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:43:28,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:43:28,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:43:28,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:43:28,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:43:28,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:43:28,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:43:28,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:43:28,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:43:28,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:43:28,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:43:28,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:43:28,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:43:28,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:43:28,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:43:28,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:43:28,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:43:28,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:43:28,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:43:28,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:43:28,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:43:28,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:43:28,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:43:28,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:43:28,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:43:28,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:43:28,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:43:28,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:43:28,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:43:28,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:43:28,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:43:28,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:43:28,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:43:28,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:43:28,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:43:28,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:43:28,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:43:28,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 09:43:28,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:43:28,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:43:28,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:43:28,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:43:28,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:43:28,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:43:28,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:43:28,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:43:28,358 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:43:28,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:43:28,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:43:28,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:43:28,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:43:28,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:43:28,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:43:28,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:43:28,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:43:28,360 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:43:28,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:43:28,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:43:28,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:43:28,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:43:28,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:43:28,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:43:28,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:43:28,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:43:28,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:43:28,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:43:28,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:43:28,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:43:28,364 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:43:28,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:43:28,364 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:43:28,364 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:43:28,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:43:28,365 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:43:28,365 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:43:28,365 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_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-12-07 09:43:28,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:43:28,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:43:28,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:43:28,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:43:28,619 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:43:28,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-12-07 09:43:28,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/data/4dd6c8e98/1547313f6c034ead9ee93f046e959631/FLAGb8f96f5d1 [2021-12-07 09:43:29,679 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:43:29,680 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-12-07 09:43:29,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/data/4dd6c8e98/1547313f6c034ead9ee93f046e959631/FLAGb8f96f5d1 [2021-12-07 09:43:30,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/data/4dd6c8e98/1547313f6c034ead9ee93f046e959631 [2021-12-07 09:43:30,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:43:30,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:43:30,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:30,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:43:30,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:43:30,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:30" (1/1) ... [2021-12-07 09:43:30,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3973005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:30, skipping insertion in model container [2021-12-07 09:43:30,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:30" (1/1) ... [2021-12-07 09:43:30,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:43:30,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:43:30,731 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_ef8100cb-b38e-47b3-88c0-0a18f89d2869/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-12-07 09:43:33,978 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-07 09:43:33,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ab5a6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33, skipping insertion in model container [2021-12-07 09:43:33,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:33,979 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-07 09:43:33,981 INFO L158 Benchmark]: Toolchain (without parser) took 3828.05ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 62.7MB in the beginning and 79.9MB in the end (delta: -17.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-12-07 09:43:33,983 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 69.9MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:43:33,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3825.27ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 62.7MB in the beginning and 79.9MB in the end (delta: -17.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-12-07 09:43:33,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 69.9MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3825.27ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 62.7MB in the beginning and 79.9MB in the end (delta: -17.1MB). Peak memory consumption was 29.1MB. 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_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/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_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA --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 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:43:36,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:43:36,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:43:36,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:43:36,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:43:36,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:43:36,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:43:36,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:43:36,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:43:36,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:43:36,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:43:36,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:43:36,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:43:36,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:43:36,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:43:36,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:43:36,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:43:36,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:43:36,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:43:36,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:43:36,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:43:36,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:43:36,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:43:36,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:43:36,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:43:36,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:43:36,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:43:36,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:43:36,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:43:36,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:43:36,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:43:36,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:43:36,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:43:36,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:43:36,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:43:36,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:43:36,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:43:36,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:43:36,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:43:36,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:43:36,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:43:36,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-12-07 09:43:36,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:43:36,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:43:36,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:43:36,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:43:36,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:43:36,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:43:36,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:43:36,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:43:36,293 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:43:36,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:43:36,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:43:36,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:43:36,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:43:36,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:43:36,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:43:36,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:43:36,296 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 09:43:36,296 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 09:43:36,296 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:43:36,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:43:36,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:43:36,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:43:36,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:43:36,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:43:36,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:43:36,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:43:36,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:43:36,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:43:36,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:43:36,299 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 09:43:36,299 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:43:36,299 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 09:43:36,300 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:43:36,300 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:43:36,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:43:36,300 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:43:36,300 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:43:36,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 09:43:36,301 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_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-12-07 09:43:36,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:43:36,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:43:36,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:43:36,702 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:43:36,703 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:43:36,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-12-07 09:43:36,770 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/data/1988f1565/2568a3269c32432c9e431b0bd4868499/FLAGf01b6c1df [2021-12-07 09:43:37,741 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:43:37,742 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-12-07 09:43:37,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/data/1988f1565/2568a3269c32432c9e431b0bd4868499/FLAGf01b6c1df [2021-12-07 09:43:38,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8100cb-b38e-47b3-88c0-0a18f89d2869/bin/ugemcutter-YQQFZV6HUA/data/1988f1565/2568a3269c32432c9e431b0bd4868499 [2021-12-07 09:43:38,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:43:38,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:43:38,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:38,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:43:38,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:43:38,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418c7a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38, skipping insertion in model container [2021-12-07 09:43:38,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:43:38,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:43:38,914 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_ef8100cb-b38e-47b3-88c0-0a18f89d2869/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-12-07 09:43:42,487 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-07 09:43:42,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b64c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:42, skipping insertion in model container [2021-12-07 09:43:42,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:42,488 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-07 09:43:42,490 INFO L158 Benchmark]: Toolchain (without parser) took 4196.96ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 37.5MB in the beginning and 56.0MB in the end (delta: -18.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-07 09:43:42,491 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.9MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:43:42,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4194.11ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 37.3MB in the beginning and 56.0MB in the end (delta: -18.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-07 09:43:42,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.9MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4194.11ms. Allocated memory was 58.7MB in the beginning and 94.4MB in the end (delta: 35.7MB). Free memory was 37.3MB in the beginning and 56.0MB in the end (delta: -18.7MB). Peak memory consumption was 29.4MB. 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