./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7 --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 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7 --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 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 01:24:02,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:24:02,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:24:02,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:24:02,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:24:02,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:24:02,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:24:02,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:24:02,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:24:02,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:24:02,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:24:02,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:24:02,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:24:02,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:24:02,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:24:02,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:24:02,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:24:02,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:24:02,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:24:02,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:24:02,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:24:02,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:24:02,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:24:02,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:24:02,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:24:02,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:24:02,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:24:02,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:24:02,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:24:02,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:24:02,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:24:02,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:24:02,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:24:02,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:24:02,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:24:02,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:24:02,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:24:02,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:24:02,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:24:02,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:24:02,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:24:02,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-16 01:24:02,327 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:24:02,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:24:02,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:24:02,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:24:02,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:24:02,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:24:02,336 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:24:02,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:24:02,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:24:02,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:24:02,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:24:02,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:24:02,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:24:02,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:24:02,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:24:02,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:24:02,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:24:02,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:24:02,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:24:02,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:24:02,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:24:02,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 01:24:02,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:24:02,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:24:02,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:24:02,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:24:02,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:24:02,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 01:24:02,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 01:24:02,343 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:24:02,344 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:24:02,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:24:02,344 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:24:02,345 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:24:02,345 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_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2021-10-16 01:24:02,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:24:02,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:24:02,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:24:02,621 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:24:02,622 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:24:02,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-16 01:24:02,707 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/data/84afe3350/2f1bcb1a26fc452d8a213d45e2448fee/FLAG79c6e0434 [2021-10-16 01:24:03,521 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:24:03,522 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-16 01:24:03,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/data/84afe3350/2f1bcb1a26fc452d8a213d45e2448fee/FLAG79c6e0434 [2021-10-16 01:24:04,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/data/84afe3350/2f1bcb1a26fc452d8a213d45e2448fee [2021-10-16 01:24:04,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:24:04,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:24:04,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:04,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:24:04,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:24:04,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:04" (1/1) ... [2021-10-16 01:24:04,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39636972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:04, skipping insertion in model container [2021-10-16 01:24:04,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:04" (1/1) ... [2021-10-16 01:24:04,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:24:04,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:24:04,638 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_76d13105-0a15-4d63-90b4-8a3ebc722b91/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-16 01:24:09,199 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 01:24:09,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a1677fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:09, skipping insertion in model container [2021-10-16 01:24:09,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:09,200 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 01:24:09,202 INFO L168 Benchmark]: Toolchain (without parser) took 5134.17 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 57.7 MB in the beginning and 88.3 MB in the end (delta: -30.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:09,203 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:09,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5129.96 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 57.5 MB in the beginning and 88.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:09,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5129.96 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 57.5 MB in the beginning and 88.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 27.0 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-5709675 [2021-10-16 01:24:11,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:24:11,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:24:11,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:24:11,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:24:11,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:24:11,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:24:11,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:24:11,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:24:11,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:24:11,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:24:11,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:24:11,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:24:11,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:24:11,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:24:11,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:24:11,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:24:11,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:24:11,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:24:11,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:24:11,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:24:11,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:24:11,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:24:11,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:24:11,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:24:11,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:24:11,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:24:11,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:24:11,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:24:11,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:24:11,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:24:11,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:24:11,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:24:11,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:24:11,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:24:11,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:24:11,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:24:11,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:24:11,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:24:11,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:24:11,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:24:11,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-16 01:24:11,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:24:11,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:24:11,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:24:11,699 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:24:11,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:24:11,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:24:11,701 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:24:11,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:24:11,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:24:11,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:24:11,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:24:11,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:24:11,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:24:11,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:24:11,703 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 01:24:11,703 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 01:24:11,704 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:24:11,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:24:11,704 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:24:11,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:24:11,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:24:11,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:24:11,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:24:11,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:24:11,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:24:11,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:24:11,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:24:11,707 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-16 01:24:11,707 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 01:24:11,708 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:24:11,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:24:11,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:24:11,709 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:24:11,709 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:24:11,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 01:24:11,709 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_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ad4fadb2b97a2da7140b0f7ae5e365ed4b78003 [2021-10-16 01:24:12,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:24:12,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:24:12,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:24:12,104 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:24:12,105 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:24:12,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-16 01:24:12,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/data/2c2a1b6db/1f9f796e35a04acea0a57d84311b07c1/FLAGe92ddd865 [2021-10-16 01:24:13,191 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:24:13,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-16 01:24:13,251 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/data/2c2a1b6db/1f9f796e35a04acea0a57d84311b07c1/FLAGe92ddd865 [2021-10-16 01:24:13,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76d13105-0a15-4d63-90b4-8a3ebc722b91/bin/ugemcutter-qKN3xmkmp7/data/2c2a1b6db/1f9f796e35a04acea0a57d84311b07c1 [2021-10-16 01:24:13,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:24:13,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:24:13,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:13,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:24:13,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:24:13,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:13" (1/1) ... [2021-10-16 01:24:13,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d60d091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:13, skipping insertion in model container [2021-10-16 01:24:13,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:13" (1/1) ... [2021-10-16 01:24:13,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:24:13,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:24:14,229 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_76d13105-0a15-4d63-90b4-8a3ebc722b91/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-16 01:24:17,440 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 01:24:17,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9157f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:17, skipping insertion in model container [2021-10-16 01:24:17,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:17,441 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 01:24:17,443 INFO L168 Benchmark]: Toolchain (without parser) took 3826.24 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.9 MB in the beginning and 37.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:17,444 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 34.2 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:17,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3823.14 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.8 MB in the beginning and 37.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:17,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 34.2 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3823.14 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.8 MB in the beginning and 37.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 23.4 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...