./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/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_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:12:41,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:12:41,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:12:41,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:12:41,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:12:41,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:12:41,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:12:41,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:12:41,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:12:41,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:12:41,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:12:41,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:12:41,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:12:41,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:12:41,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:12:41,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:12:41,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:12:41,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:12:41,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:12:41,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:12:41,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:12:41,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:12:41,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:12:41,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:12:41,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:12:41,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:12:41,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:12:41,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:12:41,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:12:41,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:12:41,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:12:41,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:12:41,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:12:41,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:12:41,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:12:41,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:12:41,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:12:41,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:12:41,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:12:41,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:12:41,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:12:41,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:12:41,244 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:12:41,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:12:41,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:12:41,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:12:41,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:12:41,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:12:41,249 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:12:41,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:12:41,249 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:12:41,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:12:41,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:12:41,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:12:41,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:12:41,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:12:41,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:12:41,252 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:12:41,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:12:41,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:12:41,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:12:41,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:12:41,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:12:41,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:12:41,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:12:41,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:12:41,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:12:41,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:12:41,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:12:41,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:12:41,257 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:12:41,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:12:41,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:12:41,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:12:41,259 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_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-11-07 08:12:41,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:12:41,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:12:41,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:12:41,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:12:41,611 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:12:41,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-07 08:12:41,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/data/e2ee5941a/0b82cb9b27604ae3977a6d8ca660be72/FLAG5984e9162 [2021-11-07 08:12:42,604 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:12:42,607 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-07 08:12:42,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/data/e2ee5941a/0b82cb9b27604ae3977a6d8ca660be72/FLAG5984e9162 [2021-11-07 08:12:42,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/data/e2ee5941a/0b82cb9b27604ae3977a6d8ca660be72 [2021-11-07 08:12:43,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:12:43,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:12:43,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:12:43,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:12:43,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:12:43,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:42" (1/1) ... [2021-11-07 08:12:43,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11372f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:43, skipping insertion in model container [2021-11-07 08:12:43,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:42" (1/1) ... [2021-11-07 08:12:43,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:12:43,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:12:43,576 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_294377ab-5afb-4466-b43e-824115b6ccdf/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-11-07 08:12:47,840 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-07 08:12:47,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c6730b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:47, skipping insertion in model container [2021-11-07 08:12:47,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:12:47,842 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 08:12:47,844 INFO L168 Benchmark]: Toolchain (without parser) took 4841.56 ms. Allocated memory is still 98.6 MB. Free memory was 72.8 MB in the beginning and 59.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:12:47,845 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 60.1 MB in the beginning and 60.1 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:12:47,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4839.04 ms. Allocated memory is still 98.6 MB. Free memory was 72.7 MB in the beginning and 59.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:12:47,849 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 81.8 MB. Free memory was 60.1 MB in the beginning and 60.1 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4839.04 ms. Allocated memory is still 98.6 MB. Free memory was 72.7 MB in the beginning and 59.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 36.7 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... --- 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_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/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_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:12:50,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:12:50,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:12:50,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:12:50,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:12:50,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:12:50,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:12:50,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:12:50,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:12:50,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:12:50,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:12:50,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:12:50,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:12:50,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:12:50,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:12:50,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:12:50,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:12:50,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:12:50,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:12:50,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:12:50,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:12:50,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:12:50,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:12:50,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:12:50,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:12:50,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:12:50,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:12:50,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:12:50,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:12:50,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:12:50,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:12:50,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:12:50,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:12:50,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:12:50,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:12:50,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:12:50,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:12:50,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:12:50,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:12:50,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:12:50,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:12:50,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-07 08:12:50,460 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:12:50,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:12:50,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:12:50,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:12:50,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:12:50,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:12:50,467 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:12:50,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:12:50,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:12:50,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:12:50,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:12:50,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:12:50,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:12:50,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:12:50,471 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 08:12:50,471 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 08:12:50,471 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:12:50,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:12:50,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:12:50,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:12:50,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:12:50,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:12:50,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:12:50,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:12:50,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:12:50,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:12:50,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:12:50,475 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-07 08:12:50,475 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 08:12:50,476 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:12:50,476 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:12:50,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:12:50,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:12:50,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 08:12:50,477 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_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-11-07 08:12:50,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:12:51,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:12:51,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:12:51,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:12:51,009 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:12:51,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-07 08:12:51,110 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/data/ad1263dc3/c6e1b666524d4c19abc2ac4699cf581e/FLAG2c0aa7e59 [2021-11-07 08:12:52,101 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:12:52,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-07 08:12:52,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/data/ad1263dc3/c6e1b666524d4c19abc2ac4699cf581e/FLAG2c0aa7e59 [2021-11-07 08:12:52,544 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_294377ab-5afb-4466-b43e-824115b6ccdf/bin/uautomizer-AkOaLMaTGY/data/ad1263dc3/c6e1b666524d4c19abc2ac4699cf581e [2021-11-07 08:12:52,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:12:52,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:12:52,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:12:52,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:12:52,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:12:52,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:52" (1/1) ... [2021-11-07 08:12:52,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1731e56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:52, skipping insertion in model container [2021-11-07 08:12:52,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:12:52" (1/1) ... [2021-11-07 08:12:52,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:12:52,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:12:53,277 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_294377ab-5afb-4466-b43e-824115b6ccdf/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-11-07 08:12:56,770 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-07 08:12:56,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6281efec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:12:56, skipping insertion in model container [2021-11-07 08:12:56,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:12:56,774 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 08:12:56,777 INFO L168 Benchmark]: Toolchain (without parser) took 4225.68 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 27.1 MB in the beginning and 35.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-07 08:12:56,779 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:12:56,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4220.94 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 26.9 MB in the beginning and 35.8 MB in the end (delta: -8.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-07 08:12:56,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4220.94 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 26.9 MB in the beginning and 35.8 MB in the end (delta: -8.9 MB). Peak memory consumption was 18.9 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN