./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC --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 3be8737422649a962e56b08bad0231d16298e713 ................................................................................................................................ 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_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC --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 3be8737422649a962e56b08bad0231d16298e713 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:33:44,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:33:44,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:33:44,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:33:44,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:33:44,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:33:44,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:33:44,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:33:44,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:33:44,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:33:44,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:33:44,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:33:44,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:33:44,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:33:44,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:33:44,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:33:44,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:33:44,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:33:44,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:33:44,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:33:44,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:33:44,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:33:44,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:33:44,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:33:44,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:33:44,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:33:44,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:33:44,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:33:44,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:33:44,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:33:44,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:33:44,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:33:44,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:33:44,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:33:44,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:33:44,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:33:44,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:33:44,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:33:44,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:33:44,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:33:44,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:33:44,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:33:44,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:33:44,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:33:44,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:33:44,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:33:44,371 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:33:44,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:33:44,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:33:44,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:33:44,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:33:44,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:33:44,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:33:44,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:33:44,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:33:44,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:33:44,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:33:44,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:33:44,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:33:44,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:33:44,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:33:44,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:33:44,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:33:44,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:33:44,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:33:44,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:33:44,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:33:44,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:33:44,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:33:44,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:33:44,377 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_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2021-10-11 00:33:44,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:33:44,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:33:44,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:33:44,683 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:33:44,684 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:33:44,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-11 00:33:44,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/data/8a95cac64/e3021aa3921c4e6abb5bf87ebc758eec/FLAGd08740656 [2021-10-11 00:33:45,768 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:33:45,769 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-11 00:33:45,816 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/data/8a95cac64/e3021aa3921c4e6abb5bf87ebc758eec/FLAGd08740656 [2021-10-11 00:33:46,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/data/8a95cac64/e3021aa3921c4e6abb5bf87ebc758eec [2021-10-11 00:33:46,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:33:46,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:33:46,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:46,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:33:46,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:33:46,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:46" (1/1) ... [2021-10-11 00:33:46,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ed89db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:46, skipping insertion in model container [2021-10-11 00:33:46,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:46" (1/1) ... [2021-10-11 00:33:46,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:33:46,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:33:46,681 WARN L226 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_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-11 00:33:49,826 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-11 00:33:49,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e3e604c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49, skipping insertion in model container [2021-10-11 00:33:49,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:49,828 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 00:33:49,830 INFO L168 Benchmark]: Toolchain (without parser) took 3638.39 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 68.2 MB in the beginning and 85.7 MB in the end (delta: -17.5 MB). Peak memory consumption was 44.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:49,831 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 94.4 MB. Free memory was 65.2 MB in the beginning and 65.2 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:49,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3635.82 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 68.2 MB in the beginning and 85.7 MB in the end (delta: -17.5 MB). Peak memory consumption was 44.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:49,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 94.4 MB. Free memory was 65.2 MB in the beginning and 65.2 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3635.82 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 68.2 MB in the beginning and 85.7 MB in the end (delta: -17.5 MB). Peak memory consumption was 44.2 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 0.2.0-7b2dab5 [2021-10-11 00:33:52,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:33:52,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:33:52,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:33:52,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:33:52,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:33:52,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:33:52,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:33:52,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:33:52,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:33:52,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:33:52,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:33:52,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:33:52,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:33:52,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:33:52,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:33:52,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:33:52,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:33:52,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:33:52,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:33:52,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:33:52,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:33:52,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:33:52,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:33:52,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:33:52,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:33:52,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:33:52,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:33:52,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:33:52,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:33:52,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:33:52,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:33:52,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:33:52,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:33:52,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:33:52,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:33:52,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:33:52,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:33:52,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:33:52,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:33:52,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:33:52,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-11 00:33:52,353 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:33:52,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:33:52,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:33:52,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:33:52,357 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:33:52,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:33:52,358 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:33:52,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:33:52,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:33:52,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:33:52,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:33:52,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:33:52,359 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:33:52,359 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:33:52,359 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:33:52,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:33:52,360 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:33:52,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:33:52,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:33:52,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:33:52,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:33:52,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:33:52,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:33:52,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:33:52,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:33:52,361 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:33:52,362 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:33:52,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:33:52,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:33:52,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:33:52,362 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_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2021-10-11 00:33:52,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:33:52,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:33:52,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:33:52,810 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:33:52,811 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:33:52,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-11 00:33:52,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/data/9fad1f4a3/3a484ed645844f8daa57b65df30b610c/FLAGdef72927a [2021-10-11 00:33:53,913 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:33:53,914 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-11 00:33:53,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/data/9fad1f4a3/3a484ed645844f8daa57b65df30b610c/FLAGdef72927a [2021-10-11 00:33:54,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/bin/uautomizer-Z5i5R5N3CC/data/9fad1f4a3/3a484ed645844f8daa57b65df30b610c [2021-10-11 00:33:54,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:33:54,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:33:54,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:54,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:33:54,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:33:54,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:54" (1/1) ... [2021-10-11 00:33:54,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3caaadfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:54, skipping insertion in model container [2021-10-11 00:33:54,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:54" (1/1) ... [2021-10-11 00:33:54,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:33:54,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:33:54,955 WARN L226 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_71aabd07-4c21-4d8a-86bd-4e1d2e39848e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-11 00:33:58,249 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-11 00:33:58,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@148b1bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:58, skipping insertion in model container [2021-10-11 00:33:58,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:58,251 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 00:33:58,254 INFO L168 Benchmark]: Toolchain (without parser) took 3900.84 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 27.2 MB in the beginning and 51.0 MB in the end (delta: -23.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:58,254 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 58.7 MB. Free memory is still 38.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:58,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3898.41 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 27.0 MB in the beginning and 51.0 MB in the end (delta: -24.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:58,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 58.7 MB. Free memory is still 38.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3898.41 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 27.0 MB in the beginning and 51.0 MB in the end (delta: -24.0 MB). Peak memory consumption was 23.7 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...