./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.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_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 .................................................................................................................................... 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_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.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_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:19:04,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:19:04,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:19:04,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:19:04,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:19:04,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:19:04,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:19:04,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:19:04,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:19:04,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:19:04,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:19:04,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:19:04,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:19:04,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:19:04,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:19:04,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:19:04,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:19:04,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:19:04,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:19:04,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:19:04,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:19:04,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:19:04,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:19:04,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:19:04,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:19:04,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:19:04,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:19:04,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:19:04,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:19:04,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:19:04,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:19:04,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:19:04,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:19:04,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:19:04,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:19:04,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:19:04,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:19:04,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:19:04,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:19:04,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:19:04,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:19:04,959 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:19:05,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:19:05,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:19:05,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:19:05,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:19:05,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:19:05,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:19:05,016 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:19:05,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:19:05,017 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:19:05,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:19:05,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:19:05,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:19:05,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:19:05,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:19:05,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:19:05,020 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:19:05,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:19:05,020 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:19:05,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:19:05,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:19:05,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:19:05,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:19:05,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:19:05,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:19:05,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:19:05,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:19:05,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:19:05,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:19:05,023 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:19:05,023 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:19:05,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:19:05,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:19:05,024 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_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-10-21 20:19:05,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:19:05,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:19:05,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:19:05,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:19:05,344 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:19:05,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-21 20:19:05,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/data/9ce532343/0d486d5aa9fc41a9922b1620b615d348/FLAGd4ecf8e9a [2021-10-21 20:19:06,310 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:19:06,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-21 20:19:06,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/data/9ce532343/0d486d5aa9fc41a9922b1620b615d348/FLAGd4ecf8e9a [2021-10-21 20:19:06,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/data/9ce532343/0d486d5aa9fc41a9922b1620b615d348 [2021-10-21 20:19:06,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:19:06,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:19:06,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:19:06,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:19:06,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:19:06,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:19:06" (1/1) ... [2021-10-21 20:19:06,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12226b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:06, skipping insertion in model container [2021-10-21 20:19:06,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:19:06" (1/1) ... [2021-10-21 20:19:06,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:19:06,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:19:07,321 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_19d6c16c-48f6-4d83-97b6-ad250263e757/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-21 20:19:10,643 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-21 20:19:10,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@768f9b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:10, skipping insertion in model container [2021-10-21 20:19:10,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:19:10,644 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-21 20:19:10,647 INFO L168 Benchmark]: Toolchain (without parser) took 3841.21 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 67.4 MB in the beginning and 93.5 MB in the end (delta: -26.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:19:10,648 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 109.1 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:19:10,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3835.62 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 67.0 MB in the beginning and 93.5 MB in the end (delta: -26.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:19:10,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 109.1 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3835.62 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 67.0 MB in the beginning and 93.5 MB in the end (delta: -26.5 MB). Peak memory consumption was 27.7 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-e943c26 [2021-10-21 20:19:12,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:19:12,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:19:13,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:19:13,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:19:13,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:19:13,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:19:13,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:19:13,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:19:13,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:19:13,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:19:13,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:19:13,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:19:13,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:19:13,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:19:13,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:19:13,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:19:13,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:19:13,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:19:13,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:19:13,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:19:13,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:19:13,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:19:13,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:19:13,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:19:13,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:19:13,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:19:13,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:19:13,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:19:13,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:19:13,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:19:13,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:19:13,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:19:13,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:19:13,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:19:13,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:19:13,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:19:13,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:19:13,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:19:13,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:19:13,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:19:13,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 20:19:13,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:19:13,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:19:13,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:19:13,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:19:13,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:19:13,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:19:13,204 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:19:13,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:19:13,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:19:13,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:19:13,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:19:13,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:19:13,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:19:13,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:19:13,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:19:13,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:19:13,207 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:19:13,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:19:13,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:19:13,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:19:13,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:19:13,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:19:13,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:19:13,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:19:13,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:19:13,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:19:13,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:19:13,210 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:19:13,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:19:13,210 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:19:13,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:19:13,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:19:13,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:19:13,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:19:13,211 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_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-10-21 20:19:13,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:19:13,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:19:13,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:19:13,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:19:13,633 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:19:13,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-21 20:19:13,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/data/e44b51601/4468d60138a24b718e9208938887e90e/FLAG46e2cf766 [2021-10-21 20:19:14,738 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:19:14,739 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-10-21 20:19:14,803 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/data/e44b51601/4468d60138a24b718e9208938887e90e/FLAG46e2cf766 [2021-10-21 20:19:15,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d6c16c-48f6-4d83-97b6-ad250263e757/bin/uautomizer-j4sWxH34Be/data/e44b51601/4468d60138a24b718e9208938887e90e [2021-10-21 20:19:15,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:19:15,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:19:15,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:19:15,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:19:15,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:19:15,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:19:15" (1/1) ... [2021-10-21 20:19:15,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ede071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:15, skipping insertion in model container [2021-10-21 20:19:15,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:19:15" (1/1) ... [2021-10-21 20:19:15,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:19:15,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:19:15,792 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_19d6c16c-48f6-4d83-97b6-ad250263e757/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-10-21 20:19:20,321 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-21 20:19:20,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@766ecfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:20, skipping insertion in model container [2021-10-21 20:19:20,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:19:20,322 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-21 20:19:20,325 INFO L168 Benchmark]: Toolchain (without parser) took 5159.13 ms. Allocated memory is still 83.9 MB. Free memory was 51.4 MB in the beginning and 45.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:19:20,325 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.2 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:19:20,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5155.70 ms. Allocated memory is still 83.9 MB. Free memory was 51.2 MB in the beginning and 45.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:19:20,328 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.2 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5155.70 ms. Allocated memory is still 83.9 MB. Free memory was 51.2 MB in the beginning and 45.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...