./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml --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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml --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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:49:44,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:44,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:44,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:44,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:44,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:44,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:44,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:44,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:44,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:44,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:44,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:44,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:44,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:44,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:44,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:44,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:44,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:44,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:44,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:44,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:44,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:44,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:44,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:44,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:44,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:44,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:44,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:44,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:44,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:44,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:44,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:44,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:44,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:44,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:44,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:44,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:44,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:44,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:44,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:44,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:44,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-29 02:49:44,359 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:44,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:44,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:44,360 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:44,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:44,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:44,363 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:44,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:44,363 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:44,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:49:44,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:44,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:44,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:44,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:44,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:44,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:44,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:44,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:44,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:44,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:44,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:44,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-29 02:49:44,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:44,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:44,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:44,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:44,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:44,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 02:49:44,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:49:44,370 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:44,370 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:44,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:44,371 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:44,371 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:44,371 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_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-10-29 02:49:44,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:44,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:44,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:44,652 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:44,652 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:44,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-29 02:49:44,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/data/f008d2827/f5365f985a3d483da5b7a022522af43b/FLAG693a4eded [2021-10-29 02:49:45,569 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:45,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-29 02:49:45,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/data/f008d2827/f5365f985a3d483da5b7a022522af43b/FLAG693a4eded [2021-10-29 02:49:46,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/data/f008d2827/f5365f985a3d483da5b7a022522af43b [2021-10-29 02:49:46,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:46,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:46,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:46,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:46,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:46,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:46" (1/1) ... [2021-10-29 02:49:46,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@647823bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:46, skipping insertion in model container [2021-10-29 02:49:46,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:46" (1/1) ... [2021-10-29 02:49:46,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:46,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:46,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-29 02:49:50,878 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 02:49:50,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b26d0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:50, skipping insertion in model container [2021-10-29 02:49:50,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:50,879 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 02:49:50,882 INFO L168 Benchmark]: Toolchain (without parser) took 4807.05 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 59.2 MB in the beginning and 80.4 MB in the end (delta: -21.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:50,883 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 90.2 MB. Free memory is still 65.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:49:50,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4803.42 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 59.0 MB in the beginning and 80.4 MB in the end (delta: -21.3 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:50,886 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 90.2 MB. Free memory is still 65.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4803.42 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 59.0 MB in the beginning and 80.4 MB in the end (delta: -21.3 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:49:53,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:53,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:53,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:53,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:53,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:53,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:53,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:53,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:53,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:53,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:53,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:53,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:53,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:53,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:53,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:53,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:53,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:53,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:53,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:53,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:53,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:53,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:53,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:53,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:53,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:53,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:53,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:53,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:53,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:53,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:53,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:53,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:53,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:53,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:53,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:53,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:53,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:53,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:53,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:53,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:53,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-29 02:49:53,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:53,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:53,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:53,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:53,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:53,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:53,372 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:53,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:53,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:53,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:53,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:53,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:53,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:53,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:53,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 02:49:53,376 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 02:49:53,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:53,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:53,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:53,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:53,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:53,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:53,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:53,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:53,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:53,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:53,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:53,379 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-29 02:49:53,379 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 02:49:53,379 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:53,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:53,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:53,380 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:53,380 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:53,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 02:49:53,381 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_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-10-29 02:49:53,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:53,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:53,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:53,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:53,812 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:53,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-29 02:49:53,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/data/05de0016a/04ccf1307f444c73b3c905489dc9bd8b/FLAG99f4fedc0 [2021-10-29 02:49:54,871 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:54,872 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-29 02:49:54,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/data/05de0016a/04ccf1307f444c73b3c905489dc9bd8b/FLAG99f4fedc0 [2021-10-29 02:49:55,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/bin/ugemcutter-riF8PgGdml/data/05de0016a/04ccf1307f444c73b3c905489dc9bd8b [2021-10-29 02:49:55,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:55,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:55,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:55,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:55,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:55,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:55" (1/1) ... [2021-10-29 02:49:55,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482bd5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:55, skipping insertion in model container [2021-10-29 02:49:55,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:55" (1/1) ... [2021-10-29 02:49:55,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:55,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:55,955 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a901a7-67df-4a16-9c3d-1ec0fa8c1055/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-29 02:50:00,539 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-29 02:50:00,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ff31e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:50:00, skipping insertion in model container [2021-10-29 02:50:00,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:50:00,540 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 02:50:00,544 INFO L168 Benchmark]: Toolchain (without parser) took 5205.69 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 39.2 MB in the beginning and 46.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:50:00,546 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 69.2 MB. Free memory was 49.8 MB in the beginning and 49.8 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:50:00,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5203.40 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 39.0 MB in the beginning and 46.5 MB in the end (delta: -7.5 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:50:00,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 69.2 MB. Free memory was 49.8 MB in the beginning and 49.8 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5203.40 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 39.0 MB in the beginning and 46.5 MB in the end (delta: -7.5 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...