/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--speakup--speakup.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 07:54:49,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 07:54:49,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 07:54:49,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 07:54:49,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 07:54:49,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 07:54:49,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 07:54:49,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 07:54:49,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 07:54:49,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 07:54:49,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 07:54:49,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 07:54:49,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 07:54:49,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 07:54:49,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 07:54:49,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 07:54:49,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 07:54:49,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 07:54:49,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 07:54:49,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 07:54:49,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 07:54:49,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 07:54:49,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 07:54:49,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 07:54:49,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 07:54:49,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 07:54:49,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 07:54:49,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 07:54:49,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 07:54:49,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 07:54:49,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 07:54:49,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 07:54:49,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 07:54:49,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 07:54:49,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 07:54:49,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 07:54:49,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 07:54:49,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 07:54:49,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 07:54:49,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 07:54:49,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 07:54:49,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 07:54:49,284 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 07:54:49,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 07:54:49,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 07:54:49,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 07:54:49,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 07:54:49,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 07:54:49,286 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 07:54:49,286 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 07:54:49,286 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 07:54:49,286 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 07:54:49,286 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 07:54:49,286 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 07:54:49,286 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 07:54:49,287 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 07:54:49,287 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 07:54:49,287 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 07:54:49,287 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 07:54:49,287 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 07:54:49,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 07:54:49,288 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 07:54:49,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 07:54:49,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 07:54:49,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 07:54:49,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 07:54:49,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 07:54:49,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 07:54:49,289 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 07:54:49,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 07:54:49,289 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 07:54:49,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 07:54:49,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 07:54:49,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 07:54:49,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:54:49,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 07:54:49,290 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 07:54:49,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 07:54:49,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 07:54:49,290 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 07:54:49,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 07:54:49,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 07:54:49,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 07:54:49,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 07:54:49,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 07:54:49,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 07:54:49,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 07:54:49,531 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 07:54:49,532 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 07:54:49,532 INFO L432 ainManager$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-43_2a-drivers--staging--speakup--speakup.ko-entry_point.cil.out.i [2023-04-01 07:54:50,725 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 07:54:51,319 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 07:54:51,320 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--speakup--speakup.ko-entry_point.cil.out.i [2023-04-01 07:54:51,389 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4f93f076/b31d3feae39145acab8bfbb068898201/FLAG77cebe8d7 [2023-04-01 07:54:51,407 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4f93f076/b31d3feae39145acab8bfbb068898201 [2023-04-01 07:54:51,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 07:54:51,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 07:54:51,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 07:54:51,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 07:54:51,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 07:54:51,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:54:51" (1/1) ... [2023-04-01 07:54:51,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b28b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:54:51, skipping insertion in model container [2023-04-01 07:54:51,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:54:51" (1/1) ... [2023-04-01 07:54:51,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 07:54:51,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 07:54:55,285 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--speakup--speakup.ko-entry_point.cil.out.i[452929,452942] [2023-04-01 07:54:55,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:54:55,511 ERROR L324 MainTranslator]: Incorrect Syntax: Empty initializers are not allowed by the C standard. [2023-04-01 07:54:55,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2aede9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:54:55, skipping insertion in model container [2023-04-01 07:54:55,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 07:54:55,512 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2023-04-01 07:54:55,514 INFO L158 Benchmark]: Toolchain (without parser) took 4101.39ms. Allocated memory was 261.1MB in the beginning and 419.4MB in the end (delta: 158.3MB). Free memory was 182.0MB in the beginning and 336.9MB in the end (delta: -154.9MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. [2023-04-01 07:54:55,514 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 07:54:55,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4099.12ms. Allocated memory was 261.1MB in the beginning and 419.4MB in the end (delta: 158.3MB). Free memory was 182.0MB in the beginning and 336.9MB in the end (delta: -154.9MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. [2023-04-01 07:54:55,517 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4099.12ms. Allocated memory was 261.1MB in the beginning and 419.4MB in the end (delta: 158.3MB). Free memory was 182.0MB in the beginning and 336.9MB in the end (delta: -154.9MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 13948]: Incorrect Syntax Empty initializers are not allowed by the C standard. RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request...