./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:53:42,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:53:42,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:53:42,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:53:42,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:53:42,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:53:42,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:53:42,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:53:42,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:53:42,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:53:42,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:53:42,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:53:42,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:53:42,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:53:42,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:53:42,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:53:42,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:53:42,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:53:42,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:53:42,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:53:42,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:53:42,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:53:42,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:53:42,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:53:42,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:53:42,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:53:42,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:53:42,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:53:42,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:53:42,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:53:42,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:53:42,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:53:42,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:53:42,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:53:42,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:53:42,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:53:42,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:53:42,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:53:42,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:53:42,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:53:42,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:53:42,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 02:53:42,266 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:53:42,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:53:42,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:53:42,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:53:42,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:53:42,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:53:42,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:53:42,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:53:42,270 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:53:42,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:53:42,271 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:53:42,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 02:53:42,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:53:42,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:53:42,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:53:42,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:53:42,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:53:42,272 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:53:42,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:53:42,272 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:53:42,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:53:42,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:53:42,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:53:42,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:53:42,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:53:42,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:53:42,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:53:42,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:53:42,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 02:53:42,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 02:53:42,274 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:53:42,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:53:42,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:53:42,274 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-12-28 02:53:42,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:53:42,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:53:42,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:53:42,546 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:53:42,548 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:53:42,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-28 02:53:42,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d68f20775/a1dd03ecf7d54404b1a63956a4121bcc/FLAG26a707bbf [2021-12-28 02:53:43,255 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:53:43,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-28 02:53:43,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d68f20775/a1dd03ecf7d54404b1a63956a4121bcc/FLAG26a707bbf [2021-12-28 02:53:43,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d68f20775/a1dd03ecf7d54404b1a63956a4121bcc [2021-12-28 02:53:43,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:53:43,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:53:43,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:43,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:53:43,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:53:43,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:43" (1/1) ... [2021-12-28 02:53:43,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5c80c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:43, skipping insertion in model container [2021-12-28 02:53:43,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:43" (1/1) ... [2021-12-28 02:53:43,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:53:43,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:53:43,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-12-28 02:53:46,117 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-28 02:53:46,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b9678c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:46, skipping insertion in model container [2021-12-28 02:53:46,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:46,118 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 02:53:46,119 INFO L158 Benchmark]: Toolchain (without parser) took 2661.37ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 32.7MB in the beginning and 46.3MB in the end (delta: -13.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-12-28 02:53:46,120 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 46.1MB. Free memory was 29.0MB in the beginning and 29.0MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 02:53:46,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2658.54ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 32.6MB in the beginning and 46.3MB in the end (delta: -13.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-12-28 02:53:46,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 46.1MB. Free memory was 29.0MB in the beginning and 29.0MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2658.54ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 32.6MB in the beginning and 46.3MB in the end (delta: -13.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:53:47,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:53:47,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:53:47,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:53:47,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:53:47,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:53:47,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:53:47,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:53:47,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:53:47,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:53:47,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:53:47,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:53:47,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:53:47,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:53:47,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:53:47,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:53:47,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:53:47,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:53:47,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:53:47,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:53:47,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:53:47,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:53:47,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:53:47,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:53:47,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:53:47,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:53:47,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:53:47,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:53:47,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:53:47,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:53:47,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:53:47,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:53:47,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:53:47,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:53:47,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:53:47,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:53:47,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:53:47,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:53:47,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:53:47,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:53:47,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:53:47,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-28 02:53:47,565 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:53:47,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:53:47,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:53:47,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:53:47,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:53:47,567 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:53:47,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:53:47,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:53:47,569 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:53:47,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:53:47,570 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:53:47,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:53:47,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:53:47,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:53:47,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:53:47,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:53:47,571 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-28 02:53:47,571 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-28 02:53:47,571 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-28 02:53:47,571 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:53:47,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:53:47,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:53:47,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:53:47,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:53:47,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:53:47,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:53:47,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:53:47,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:53:47,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:53:47,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:53:47,581 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-28 02:53:47,581 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-28 02:53:47,581 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:53:47,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:53:47,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:53:47,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-28 02:53:47,582 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2021-12-28 02:53:47,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:53:47,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:53:47,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:53:47,882 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:53:47,884 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:53:47,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-28 02:53:47,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efb19dce7/3e57b1c2ec3d4b458e1af1ef389435ab/FLAGa25c288c0 [2021-12-28 02:53:48,525 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:53:48,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-12-28 02:53:48,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efb19dce7/3e57b1c2ec3d4b458e1af1ef389435ab/FLAGa25c288c0 [2021-12-28 02:53:48,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efb19dce7/3e57b1c2ec3d4b458e1af1ef389435ab [2021-12-28 02:53:48,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:53:48,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:53:48,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:48,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:53:48,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:53:48,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:48" (1/1) ... [2021-12-28 02:53:48,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1a1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:48, skipping insertion in model container [2021-12-28 02:53:48,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:48" (1/1) ... [2021-12-28 02:53:48,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:53:49,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:53:49,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-12-28 02:53:50,707 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-28 02:53:50,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28ac0fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:50, skipping insertion in model container [2021-12-28 02:53:50,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:50,709 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 02:53:50,710 INFO L158 Benchmark]: Toolchain (without parser) took 1791.76ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 31.8MB in the beginning and 36.6MB in the end (delta: -4.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-12-28 02:53:50,711 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 02:53:50,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1790.00ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 31.6MB in the beginning and 36.6MB in the end (delta: -5.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-12-28 02:53:50,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1790.00ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 31.6MB in the beginning and 36.6MB in the end (delta: -5.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN