./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/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_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/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_259c721c-470e-4bf5-962a-b6e4f7ab628b/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_259c721c-470e-4bf5-962a-b6e4f7ab628b/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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:59:31,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:59:31,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:59:31,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:59:31,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:59:31,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:59:31,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:59:31,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:59:31,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:59:31,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:59:31,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:59:31,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:59:31,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:59:31,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:59:31,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:59:31,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:59:31,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:59:31,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:59:31,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:59:31,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:59:31,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:59:31,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:59:31,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:59:31,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:59:31,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:59:31,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:59:31,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:59:31,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:59:31,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:59:31,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:59:31,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:59:31,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:59:31,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:59:31,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:59:31,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:59:31,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:59:31,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:59:31,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:59:31,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:59:31,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:59:31,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:59:31,370 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 09:59:31,408 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:59:31,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:59:31,409 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:59:31,409 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:59:31,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:59:31,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:59:31,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:59:31,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:59:31,411 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:59:31,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:59:31,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:59:31,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:59:31,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:59:31,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:59:31,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:59:31,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:59:31,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:59:31,413 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:59:31,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:59:31,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:59:31,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:59:31,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:59:31,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:59:31,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:59:31,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:59:31,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:59:31,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:59:31,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:59:31,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:59:31,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:59:31,416 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:59:31,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:59:31,416 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:59:31,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:59:31,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:59:31,417 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:59:31,417 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:59:31,418 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_259c721c-470e-4bf5-962a-b6e4f7ab628b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-12-07 09:59:31,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:59:31,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:59:31,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:59:31,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:59:31,717 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:59:31,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-07 09:59:31,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/data/e0fe6eec2/616b80725fa745159a35698080083d62/FLAGe8952c917 [2021-12-07 09:59:32,587 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:59:32,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-07 09:59:32,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/data/e0fe6eec2/616b80725fa745159a35698080083d62/FLAGe8952c917 [2021-12-07 09:59:33,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/data/e0fe6eec2/616b80725fa745159a35698080083d62 [2021-12-07 09:59:33,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:59:33,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:59:33,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:59:33,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:59:33,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:59:33,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:59:33" (1/1) ... [2021-12-07 09:59:33,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e11a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:33, skipping insertion in model container [2021-12-07 09:59:33,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:59:33" (1/1) ... [2021-12-07 09:59:33,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:59:33,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:59:33,713 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_259c721c-470e-4bf5-962a-b6e4f7ab628b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-12-07 09:59:36,385 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-07 09:59:36,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bada550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:36, skipping insertion in model container [2021-12-07 09:59:36,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:59:36,386 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-07 09:59:36,388 INFO L158 Benchmark]: Toolchain (without parser) took 3232.55ms. Allocated memory is still 125.8MB. Free memory was 81.4MB in the beginning and 91.9MB in the end (delta: -10.4MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-12-07 09:59:36,389 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:59:36,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3228.98ms. Allocated memory is still 125.8MB. Free memory was 81.2MB in the beginning and 91.9MB in the end (delta: -10.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-12-07 09:59:36,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3228.98ms. Allocated memory is still 125.8MB. Free memory was 81.2MB in the beginning and 91.9MB in the end (delta: -10.7MB). Peak memory consumption was 28.9MB. 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_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/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_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/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_259c721c-470e-4bf5-962a-b6e4f7ab628b/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_259c721c-470e-4bf5-962a-b6e4f7ab628b/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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:59:38,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:59:38,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:59:38,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:59:38,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:59:38,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:59:38,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:59:38,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:59:38,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:59:38,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:59:38,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:59:38,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:59:38,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:59:38,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:59:38,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:59:38,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:59:38,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:59:38,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:59:38,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:59:38,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:59:38,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:59:38,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:59:38,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:59:38,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:59:38,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:59:38,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:59:38,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:59:38,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:59:38,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:59:38,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:59:38,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:59:38,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:59:38,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:59:38,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:59:38,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:59:38,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:59:38,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:59:38,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:59:38,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:59:38,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:59:38,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:59:38,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-12-07 09:59:38,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:59:38,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:59:38,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:59:38,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:59:38,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:59:38,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:59:38,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:59:38,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:59:38,668 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:59:38,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:59:38,669 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:59:38,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:59:38,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:59:38,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:59:38,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:59:38,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:59:38,670 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 09:59:38,670 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 09:59:38,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:59:38,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:59:38,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:59:38,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:59:38,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:59:38,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:59:38,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:59:38,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:59:38,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:59:38,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:59:38,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:59:38,673 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 09:59:38,673 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:59:38,673 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 09:59:38,674 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:59:38,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:59:38,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:59:38,674 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:59:38,674 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:59:38,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 09:59:38,675 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_259c721c-470e-4bf5-962a-b6e4f7ab628b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-12-07 09:59:39,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:59:39,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:59:39,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:59:39,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:59:39,102 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:59:39,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-07 09:59:39,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/data/30bcad411/53ad3744211a4c19ae5bba9e08fe0ffd/FLAG902257761 [2021-12-07 09:59:40,052 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:59:40,052 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-07 09:59:40,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/data/30bcad411/53ad3744211a4c19ae5bba9e08fe0ffd/FLAG902257761 [2021-12-07 09:59:40,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_259c721c-470e-4bf5-962a-b6e4f7ab628b/bin/ugemcutter-YQQFZV6HUA/data/30bcad411/53ad3744211a4c19ae5bba9e08fe0ffd [2021-12-07 09:59:40,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:59:40,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:59:40,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:59:40,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:59:40,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:59:40,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:40,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f81c337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40, skipping insertion in model container [2021-12-07 09:59:40,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:40,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:59:40,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:59:41,093 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_259c721c-470e-4bf5-962a-b6e4f7ab628b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-12-07 09:59:43,851 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-07 09:59:43,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f5a77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:43, skipping insertion in model container [2021-12-07 09:59:43,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:59:43,852 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-07 09:59:43,854 INFO L158 Benchmark]: Toolchain (without parser) took 3307.90ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 37.1MB in the beginning and 49.5MB in the end (delta: -12.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-12-07 09:59:43,855 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:59:43,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3305.39ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 36.8MB in the beginning and 49.5MB in the end (delta: -12.7MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-12-07 09:59:43,858 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 67.1MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3305.39ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 36.8MB in the beginning and 49.5MB in the end (delta: -12.7MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN