./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 .................................................................................................................................... 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_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:13:07,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:13:07,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:13:07,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:13:07,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:13:07,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:13:07,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:13:07,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:13:07,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:13:07,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:13:07,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:13:07,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:13:07,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:13:07,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:13:07,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:13:07,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:13:07,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:13:07,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:13:07,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:13:07,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:13:07,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:13:07,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:13:07,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:13:07,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:13:07,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:13:07,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:13:07,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:13:07,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:13:07,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:13:07,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:13:07,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:13:07,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:13:07,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:13:07,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:13:07,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:13:07,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:13:07,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:13:07,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:13:07,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:13:07,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:13:07,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:13:07,977 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:13:08,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:13:08,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:13:08,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:13:08,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:13:08,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:13:08,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:13:08,006 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:13:08,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:13:08,007 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:13:08,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:13:08,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:13:08,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:13:08,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:13:08,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:13:08,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:13:08,008 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:13:08,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:13:08,008 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:13:08,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:13:08,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:13:08,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:13:08,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:13:08,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:13:08,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:13:08,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:13:08,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:13:08,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:13:08,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:13:08,010 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:13:08,010 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:13:08,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:13:08,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:13:08,011 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_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-10-28 23:13:08,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:13:08,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:13:08,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:13:08,321 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:13:08,322 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:13:08,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-28 23:13:08,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/data/54f7ce343/4664e0d17de94c78a46163b388bc8a53/FLAG6353e4360 [2021-10-28 23:13:09,284 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:13:09,285 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-28 23:13:09,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/data/54f7ce343/4664e0d17de94c78a46163b388bc8a53/FLAG6353e4360 [2021-10-28 23:13:09,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/data/54f7ce343/4664e0d17de94c78a46163b388bc8a53 [2021-10-28 23:13:09,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:13:09,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:13:09,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:09,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:13:09,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:13:09,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:09" (1/1) ... [2021-10-28 23:13:09,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4521f892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:09, skipping insertion in model container [2021-10-28 23:13:09,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:09" (1/1) ... [2021-10-28 23:13:09,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:13:09,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:13:10,374 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_66c72049-5615-4c96-bdd1-39962c3ffa2c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-28 23:13:15,273 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-28 23:13:15,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11be57a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:15, skipping insertion in model container [2021-10-28 23:13:15,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:15,275 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-28 23:13:15,277 INFO L168 Benchmark]: Toolchain (without parser) took 5529.03 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 50.6 MB in the beginning and 83.7 MB in the end (delta: -33.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:15,278 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:13:15,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5526.47 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 50.3 MB in the beginning and 83.7 MB in the end (delta: -33.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:15,281 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 83.9 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5526.47 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 50.3 MB in the beginning and 83.7 MB in the end (delta: -33.4 MB). Peak memory consumption was 30.4 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:13:20,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:13:20,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:13:20,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:13:20,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:13:20,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:13:20,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:13:20,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:13:20,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:13:20,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:13:20,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:13:20,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:13:20,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:13:20,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:13:20,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:13:20,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:13:20,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:13:20,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:13:20,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:13:20,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:13:20,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:13:20,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:13:20,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:13:20,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:13:20,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:13:20,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:13:20,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:13:20,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:13:20,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:13:20,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:13:20,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:13:20,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:13:20,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:13:20,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:13:20,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:13:20,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:13:20,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:13:20,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:13:20,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:13:20,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:13:20,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:13:20,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 23:13:20,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:13:20,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:13:20,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:13:20,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:13:20,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:13:20,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:13:20,466 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:13:20,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:13:20,466 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:13:20,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:13:20,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:13:20,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:13:20,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:13:20,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:13:20,469 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:13:20,469 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:13:20,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:13:20,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:13:20,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:13:20,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:13:20,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:13:20,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:13:20,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:13:20,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:13:20,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:13:20,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:13:20,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:13:20,473 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:13:20,473 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:13:20,473 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:13:20,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:13:20,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:13:20,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:13:20,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:13:20,475 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_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-10-28 23:13:20,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:13:20,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:13:20,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:13:20,938 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:13:20,939 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:13:20,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-28 23:13:21,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/data/580442356/c9c49623bfbd45e18f74cfdaec0be30d/FLAG20a09d2ab [2021-10-28 23:13:22,113 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:13:22,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-28 23:13:22,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/data/580442356/c9c49623bfbd45e18f74cfdaec0be30d/FLAG20a09d2ab [2021-10-28 23:13:22,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c72049-5615-4c96-bdd1-39962c3ffa2c/bin/uautomizer-GMMbpWq8iD/data/580442356/c9c49623bfbd45e18f74cfdaec0be30d [2021-10-28 23:13:22,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:13:22,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:13:22,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:22,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:13:22,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:13:22,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:22" (1/1) ... [2021-10-28 23:13:22,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a17df38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:22, skipping insertion in model container [2021-10-28 23:13:22,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:22" (1/1) ... [2021-10-28 23:13:22,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:13:22,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:13:23,180 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_66c72049-5615-4c96-bdd1-39962c3ffa2c/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-28 23:13:26,554 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-28 23:13:26,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@644c5910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:26, skipping insertion in model container [2021-10-28 23:13:26,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:26,555 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-28 23:13:26,558 INFO L168 Benchmark]: Toolchain (without parser) took 3995.70 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.9 MB in the beginning and 23.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:26,559 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 50.3 MB. Free memory is still 31.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:13:26,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3992.66 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.7 MB in the beginning and 23.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:26,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 50.3 MB. Free memory is still 31.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3992.66 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.7 MB in the beginning and 23.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...