./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:14:13,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:14:13,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:14:13,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:14:13,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:14:13,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:14:13,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:14:13,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:14:13,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:14:13,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:14:13,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:14:13,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:14:13,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:14:13,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:14:13,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:14:13,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:14:13,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:14:13,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:14:13,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:14:13,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:14:13,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:14:13,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:14:13,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:14:13,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:14:13,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:14:13,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:14:13,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:14:13,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:14:13,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:14:13,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:14:13,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:14:13,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:14:13,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:14:13,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:14:13,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:14:13,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:14:13,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:14:13,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:14:13,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:14:13,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:14:13,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:14:13,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:14:13,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:14:13,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:14:13,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:14:13,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:14:13,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:14:13,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:14:13,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:14:13,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:14:13,325 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:14:13,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:14:13,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:14:13,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:14:13,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:14:13,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:14:13,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:14:13,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:14:13,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:14:13,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:14:13,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:14:13,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:14:13,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:14:13,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:14:13,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:14:13,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:14:13,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:14:13,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:14:13,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:14:13,329 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:14:13,330 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:14:13,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:14:13,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:14:13,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e [2021-12-14 19:14:13,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:14:13,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:14:13,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:14:13,593 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:14:13,593 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:14:13,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-14 19:14:13,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8409d353/b1fe4f0c0e4b4fd79b0d0267b80175f7/FLAG576601b04 [2021-12-14 19:14:16,410 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:14:16,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-14 19:14:16,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8409d353/b1fe4f0c0e4b4fd79b0d0267b80175f7/FLAG576601b04 [2021-12-14 19:14:17,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8409d353/b1fe4f0c0e4b4fd79b0d0267b80175f7 [2021-12-14 19:14:17,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:14:17,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:14:17,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:14:17,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:14:17,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:14:17,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:14:17" (1/1) ... [2021-12-14 19:14:17,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1318f463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:14:17, skipping insertion in model container [2021-12-14 19:14:17,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:14:17" (1/1) ... [2021-12-14 19:14:17,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:14:18,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:15:06,574 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2021-12-14 19:15:06,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20c6ed25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:06, skipping insertion in model container [2021-12-14 19:15:06,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:15:06,576 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 19:15:06,579 INFO L158 Benchmark]: Toolchain (without parser) took 49386.30ms. Allocated memory was 398.5MB in the beginning and 796.9MB in the end (delta: 398.5MB). Free memory was 197.6MB in the beginning and 306.1MB in the end (delta: -108.5MB). Peak memory consumption was 357.8MB. Max. memory is 16.1GB. [2021-12-14 19:15:06,580 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 59.0MB in the beginning and 59.0MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 19:15:06,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 49384.67ms. Allocated memory was 398.5MB in the beginning and 796.9MB in the end (delta: 398.5MB). Free memory was 197.6MB in the beginning and 306.1MB in the end (delta: -108.5MB). Peak memory consumption was 357.8MB. Max. memory is 16.1GB. [2021-12-14 19:15:06,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 59.0MB in the beginning and 59.0MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 49384.67ms. Allocated memory was 398.5MB in the beginning and 796.9MB in the end (delta: 398.5MB). Free memory was 197.6MB in the beginning and 306.1MB in the end (delta: -108.5MB). Peak memory consumption was 357.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 26370]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays 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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:15:08,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:15:08,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:15:08,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:15:08,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:15:08,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:15:08,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:15:08,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:15:08,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:15:08,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:15:08,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:15:08,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:15:08,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:15:08,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:15:08,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:15:08,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:15:08,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:15:08,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:15:08,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:15:08,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:15:08,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:15:08,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:15:08,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:15:08,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:15:08,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:15:08,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:15:08,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:15:08,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:15:08,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:15:08,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:15:08,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:15:08,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:15:08,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:15:08,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:15:08,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:15:08,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:15:08,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:15:08,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:15:08,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:15:08,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:15:08,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:15:08,362 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-14 19:15:08,400 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:15:08,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:15:08,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:15:08,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:15:08,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:15:08,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:15:08,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:15:08,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:15:08,404 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:15:08,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:15:08,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:15:08,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:15:08,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:15:08,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:15:08,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 19:15:08,406 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 19:15:08,406 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 19:15:08,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:15:08,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:15:08,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:15:08,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:15:08,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:15:08,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:15:08,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:15:08,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:15:08,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:15:08,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:15:08,408 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 19:15:08,408 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 19:15:08,409 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:15:08,409 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:15:08,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:15:08,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:15:08,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 19:15:08,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e [2021-12-14 19:15:08,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:15:08,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:15:08,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:15:08,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:15:08,743 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:15:08,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-14 19:15:08,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d92ded9/9c1a081858fd46a0b427d498ba998688/FLAG3181cb3f2 [2021-12-14 19:15:11,587 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:15:11,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-14 19:15:11,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d92ded9/9c1a081858fd46a0b427d498ba998688/FLAG3181cb3f2 [2021-12-14 19:15:12,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9d92ded9/9c1a081858fd46a0b427d498ba998688 [2021-12-14 19:15:12,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:15:12,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:15:12,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:15:12,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:15:12,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:15:12,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:15:12" (1/1) ... [2021-12-14 19:15:12,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e1617a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:15:12, skipping insertion in model container [2021-12-14 19:15:12,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:15:12" (1/1) ... [2021-12-14 19:15:12,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:15:13,700 INFO L178 MainTranslator]: Built tables and reachable declarations