./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/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_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:04:14,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:04:14,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:04:14,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:04:14,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:04:14,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:04:14,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:04:14,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:04:14,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:04:14,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:04:14,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:04:14,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:04:14,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:04:14,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:04:14,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:04:14,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:04:14,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:04:14,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:04:14,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:04:14,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:04:14,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:04:14,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:04:14,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:04:14,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:04:14,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:04:14,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:04:14,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:04:14,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:04:14,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:04:14,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:04:14,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:04:14,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:04:14,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:04:14,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:04:14,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:04:14,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:04:14,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:04:14,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:04:14,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:04:14,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:04:14,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:04:14,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-22 23:04:15,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:04:15,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:04:15,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:04:15,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:04:15,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:04:15,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:04:15,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:04:15,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:04:15,035 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:04:15,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:04:15,036 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:04:15,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:04:15,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:04:15,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:04:15,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:04:15,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:04:15,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:04:15,038 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:04:15,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:04:15,038 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:04:15,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:04:15,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:04:15,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:04:15,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-22 23:04:15,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:04:15,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:04:15,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:04:15,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:04:15,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:04:15,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:04:15,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:04:15,042 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:04:15,042 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:04:15,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:04:15,043 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:04:15,043 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:04:15,043 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_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-11-22 23:04:15,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:04:15,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:04:15,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:04:15,359 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:04:15,361 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:04:15,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-22 23:04:15,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/data/b956e62c0/0e93de5d416d4610b830fb525f0e4a5b/FLAG560e11e13 [2021-11-22 23:04:16,366 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:04:16,368 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-22 23:04:16,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/data/b956e62c0/0e93de5d416d4610b830fb525f0e4a5b/FLAG560e11e13 [2021-11-22 23:04:16,820 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/data/b956e62c0/0e93de5d416d4610b830fb525f0e4a5b [2021-11-22 23:04:16,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:04:16,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:04:16,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:04:16,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:04:16,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:04:16,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:16" (1/1) ... [2021-11-22 23:04:16,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db9dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:16, skipping insertion in model container [2021-11-22 23:04:16,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:16" (1/1) ... [2021-11-22 23:04:16,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:04:16,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:04:17,422 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_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-11-22 23:04:21,213 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-22 23:04:21,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44c7ca95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:21, skipping insertion in model container [2021-11-22 23:04:21,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:04:21,215 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-22 23:04:21,217 INFO L158 Benchmark]: Toolchain (without parser) took 4372.19ms. Allocated memory is still 113.2MB. Free memory was 87.4MB in the beginning and 48.4MB in the end (delta: 39.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-11-22 23:04:21,217 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:04:21,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4356.01ms. Allocated memory is still 113.2MB. Free memory was 87.4MB in the beginning and 48.4MB in the end (delta: 39.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-11-22 23:04:21,220 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 113.2MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4356.01ms. Allocated memory is still 113.2MB. Free memory was 87.4MB in the beginning and 48.4MB in the end (delta: 39.0MB). Peak memory consumption was 38.6MB. 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_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/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_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:04:23,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:04:23,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:04:23,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:04:23,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:04:23,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:04:23,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:04:23,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:04:23,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:04:23,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:04:23,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:04:23,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:04:23,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:04:23,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:04:23,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:04:23,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:04:23,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:04:23,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:04:23,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:04:23,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:04:23,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:04:23,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:04:23,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:04:23,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:04:23,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:04:23,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:04:23,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:04:23,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:04:23,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:04:23,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:04:23,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:04:23,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:04:23,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:04:23,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:04:23,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:04:23,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:04:23,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:04:23,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:04:23,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:04:23,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:04:23,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:04:23,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-22 23:04:23,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:04:23,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:04:23,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:04:23,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:04:23,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:04:23,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:04:23,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:04:23,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:04:23,668 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:04:23,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:04:23,669 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:04:23,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:04:23,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:04:23,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:04:23,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:04:23,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:04:23,670 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:04:23,670 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:04:23,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:04:23,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:04:23,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:04:23,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:04:23,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:04:23,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:04:23,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:04:23,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:04:23,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:04:23,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:04:23,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:04:23,673 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 23:04:23,673 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:04:23,673 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:04:23,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:04:23,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:04:23,674 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:04:23,674 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:04:23,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:04:23,675 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_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-11-22 23:04:24,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:04:24,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:04:24,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:04:24,090 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:04:24,090 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:04:24,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-22 23:04:24,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/data/6118a1959/a234d7bac16b43e2b0930834a700b040/FLAGcd73cdbc1 [2021-11-22 23:04:25,162 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:04:25,163 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-22 23:04:25,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/data/6118a1959/a234d7bac16b43e2b0930834a700b040/FLAGcd73cdbc1 [2021-11-22 23:04:25,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/bin/ugemcutter-lIJgRBJBxA/data/6118a1959/a234d7bac16b43e2b0930834a700b040 [2021-11-22 23:04:25,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:04:25,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:04:25,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:04:25,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:04:25,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:04:25,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:25" (1/1) ... [2021-11-22 23:04:25,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543c3019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:25, skipping insertion in model container [2021-11-22 23:04:25,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:25" (1/1) ... [2021-11-22 23:04:25,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:04:25,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:04:26,211 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_8dac59ed-38bf-4e99-9974-7b1b4c6ebae0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-11-22 23:04:30,491 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-22 23:04:30,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29c3c511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:30, skipping insertion in model container [2021-11-22 23:04:30,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:04:30,493 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-22 23:04:30,495 INFO L158 Benchmark]: Toolchain (without parser) took 4902.23ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 49.3MB in the beginning and 61.5MB in the end (delta: -12.2MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2021-11-22 23:04:30,497 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:04:30,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4899.77ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.9MB in the beginning and 61.5MB in the end (delta: -12.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2021-11-22 23:04:30,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4899.77ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.9MB in the beginning and 61.5MB in the end (delta: -12.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN