./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.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 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:04:06,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:04:06,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:04:06,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:04:06,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:04:06,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:04:06,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:04:06,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:04:06,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:04:06,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:04:06,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:04:06,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:04:06,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:04:06,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:04:06,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:04:06,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:04:06,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:04:06,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:04:06,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:04:06,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:04:06,314 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:04:06,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:04:06,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:04:06,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:04:06,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:04:06,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:04:06,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:04:06,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:04:06,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:04:06,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:04:06,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:04:06,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:04:06,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:04:06,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:04:06,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:04:06,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:04:06,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:04:06,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:04:06,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:04:06,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:04:06,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:04:06,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:04:06,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:04:06,361 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:04:06,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:04:06,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:04:06,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:04:06,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:04:06,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:04:06,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:04:06,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:04:06,364 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:04:06,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:04:06,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:04:06,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:04:06,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:04:06,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:04:06,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:04:06,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:04:06,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:04:06,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:04:06,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:04:06,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:04:06,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:04:06,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:04:06,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:04:06,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:04:06,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:04:06,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:04:06,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:04:06,368 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:04:06,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:04:06,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:04:06,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-07-20 00:04:06,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:04:06,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:04:06,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:04:06,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:04:06,563 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:04:06,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-07-20 00:04:06,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d586c9a67/6226270a65d7426dae555612e6ef543d/FLAGd5a7dee8e [2022-07-20 00:04:07,223 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:04:07,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-07-20 00:04:07,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d586c9a67/6226270a65d7426dae555612e6ef543d/FLAGd5a7dee8e [2022-07-20 00:04:07,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d586c9a67/6226270a65d7426dae555612e6ef543d [2022-07-20 00:04:07,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:04:07,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:04:07,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:04:07,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:04:07,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:04:07,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:04:07" (1/1) ... [2022-07-20 00:04:07,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c470f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:07, skipping insertion in model container [2022-07-20 00:04:07,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:04:07" (1/1) ... [2022-07-20 00:04:07,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:04:07,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:04:08,033 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-07-20 00:04:08,033 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-07-20 00:04:08,034 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-07-20 00:04:08,034 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-20 00:04:08,034 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-20 00:04:08,034 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-20 00:04:08,036 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-07-20 00:04:08,037 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-07-20 00:04:08,037 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-07-20 00:04:08,037 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-20 00:04:08,038 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-20 00:04:08,038 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-20 00:04:08,276 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/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2022-07-20 00:04:09,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:04:09,283 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:04:09,343 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-07-20 00:04:09,343 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-07-20 00:04:09,343 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-07-20 00:04:09,344 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-20 00:04:09,344 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-20 00:04:09,344 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-20 00:04:09,344 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-07-20 00:04:09,345 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-07-20 00:04:09,345 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-07-20 00:04:09,345 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-20 00:04:09,346 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-20 00:04:09,346 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-20 00:04:09,352 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/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2022-07-20 00:04:09,515 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: base_addr = base_addr & 65534UL [5942] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 00:04:09,519 INFO L158 Benchmark]: Toolchain (without parser) took 1928.67ms. Allocated memory was 144.7MB in the beginning and 239.1MB in the end (delta: 94.4MB). Free memory was 100.4MB in the beginning and 164.4MB in the end (delta: -64.0MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2022-07-20 00:04:09,520 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:04:09,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1925.25ms. Allocated memory was 144.7MB in the beginning and 239.1MB in the end (delta: 94.4MB). Free memory was 100.4MB in the beginning and 164.4MB in the end (delta: -64.0MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2022-07-20 00:04:09,523 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 90.2MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1925.25ms. Allocated memory was 144.7MB in the beginning and 239.1MB in the end (delta: 94.4MB). Free memory was 100.4MB in the beginning and 164.4MB in the end (delta: -64.0MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: base_addr = base_addr & 65534UL [5942] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: base_addr = base_addr & 65534UL [5942]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.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 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:04:11,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:04:11,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:04:11,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:04:11,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:04:11,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:04:11,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:04:11,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:04:11,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:04:11,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:04:11,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:04:11,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:04:11,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:04:11,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:04:11,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:04:11,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:04:11,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:04:11,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:04:11,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:04:11,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:04:11,277 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:04:11,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:04:11,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:04:11,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:04:11,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:04:11,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:04:11,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:04:11,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:04:11,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:04:11,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:04:11,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:04:11,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:04:11,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:04:11,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:04:11,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:04:11,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:04:11,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:04:11,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:04:11,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:04:11,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:04:11,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:04:11,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:04:11,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 00:04:11,338 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:04:11,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:04:11,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:04:11,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:04:11,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:04:11,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:04:11,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:04:11,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:04:11,341 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:04:11,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:04:11,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:04:11,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:04:11,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:04:11,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:04:11,342 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 00:04:11,343 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 00:04:11,343 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 00:04:11,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:04:11,343 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:04:11,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:04:11,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:04:11,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:04:11,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:04:11,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:04:11,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:04:11,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:04:11,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:04:11,344 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 00:04:11,344 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 00:04:11,345 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:04:11,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:04:11,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:04:11,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 00:04:11,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-07-20 00:04:11,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:04:11,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:04:11,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:04:11,837 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:04:11,843 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:04:11,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-07-20 00:04:11,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3039ce59b/925e57337e384ab3861a91ee9e58cdcc/FLAG863f7479a [2022-07-20 00:04:12,953 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:04:12,954 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-07-20 00:04:13,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3039ce59b/925e57337e384ab3861a91ee9e58cdcc/FLAG863f7479a [2022-07-20 00:04:13,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3039ce59b/925e57337e384ab3861a91ee9e58cdcc [2022-07-20 00:04:13,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:04:13,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:04:13,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:04:13,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:04:13,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:04:13,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:04:13" (1/1) ... [2022-07-20 00:04:13,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b30408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:13, skipping insertion in model container [2022-07-20 00:04:13,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:04:13" (1/1) ... [2022-07-20 00:04:13,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:04:13,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:04:14,208 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-07-20 00:04:14,208 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-07-20 00:04:14,209 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-07-20 00:04:14,210 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-20 00:04:14,210 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-20 00:04:14,210 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-20 00:04:14,212 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-07-20 00:04:14,212 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-07-20 00:04:14,214 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-07-20 00:04:14,227 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-20 00:04:14,228 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-20 00:04:14,228 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-20 00:04:14,760 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/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2022-07-20 00:04:16,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:04:16,234 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 00:04:16,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:04:16,325 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-07-20 00:04:16,325 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-07-20 00:04:16,326 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-07-20 00:04:16,326 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-20 00:04:16,326 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-20 00:04:16,326 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-20 00:04:16,327 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-07-20 00:04:16,327 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-07-20 00:04:16,327 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-07-20 00:04:16,327 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-20 00:04:16,327 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-20 00:04:16,327 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-20 00:04:16,332 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/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2022-07-20 00:04:16,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:04:16,547 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:04:16,591 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2022-07-20 00:04:16,591 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2022-07-20 00:04:16,591 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2022-07-20 00:04:16,592 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-20 00:04:16,592 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-20 00:04:16,592 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-20 00:04:16,592 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2022-07-20 00:04:16,593 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2022-07-20 00:04:16,593 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2022-07-20 00:04:16,593 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-20 00:04:16,593 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-20 00:04:16,593 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-20 00:04:16,600 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/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2022-07-20 00:04:16,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:04:17,060 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:04:17,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17 WrapperNode [2022-07-20 00:04:17,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:04:17,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:04:17,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:04:17,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:04:17,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17" (1/1) ... [2022-07-20 00:04:17,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17" (1/1) ... [2022-07-20 00:04:17,313 INFO L137 Inliner]: procedures = 359, calls = 3210, calls flagged for inlining = 153, calls inlined = 153, statements flattened = 6864 [2022-07-20 00:04:17,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:04:17,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:04:17,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:04:17,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:04:17,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17" (1/1) ... [2022-07-20 00:04:17,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17" (1/1) ... [2022-07-20 00:04:17,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17" (1/1) ... [2022-07-20 00:04:17,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17" (1/1) ... [2022-07-20 00:04:17,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17" (1/1) ... [2022-07-20 00:04:17,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17" (1/1) ... [2022-07-20 00:04:17,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17" (1/1) ... [2022-07-20 00:04:17,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:04:17,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:04:17,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:04:17,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:04:17,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17" (1/1) ... [2022-07-20 00:04:17,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:04:17,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:04:17,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 00:04:17,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 00:04:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-07-20 00:04:17,765 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-07-20 00:04:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:04:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:04:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-20 00:04:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-20 00:04:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-07-20 00:04:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-07-20 00:04:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-07-20 00:04:17,766 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-07-20 00:04:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 00:04:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 00:04:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-20 00:04:17,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-20 00:04:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 00:04:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:04:17,767 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-07-20 00:04:17,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-07-20 00:04:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:04:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-20 00:04:17,768 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-20 00:04:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-07-20 00:04:17,768 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-07-20 00:04:17,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:04:17,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:04:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-07-20 00:04:17,769 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-07-20 00:04:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-07-20 00:04:17,769 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-07-20 00:04:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 00:04:17,769 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 00:04:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-07-20 00:04:17,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-07-20 00:04:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:04:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:04:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-07-20 00:04:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-07-20 00:04:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-07-20 00:04:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-07-20 00:04:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-07-20 00:04:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-07-20 00:04:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-07-20 00:04:17,771 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-07-20 00:04:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-07-20 00:04:17,771 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-07-20 00:04:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-07-20 00:04:17,771 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-07-20 00:04:17,771 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-07-20 00:04:17,771 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-07-20 00:04:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-07-20 00:04:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-07-20 00:04:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-07-20 00:04:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-07-20 00:04:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-07-20 00:04:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-07-20 00:04:17,772 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:04:17,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:04:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:04:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:04:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-07-20 00:04:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-07-20 00:04:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-07-20 00:04:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-07-20 00:04:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 00:04:17,773 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 00:04:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:04:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:04:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-20 00:04:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-20 00:04:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-07-20 00:04:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-07-20 00:04:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-07-20 00:04:17,774 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-07-20 00:04:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:04:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:04:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-07-20 00:04:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-07-20 00:04:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-07-20 00:04:17,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-07-20 00:04:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-07-20 00:04:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-07-20 00:04:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-07-20 00:04:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-07-20 00:04:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-07-20 00:04:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-07-20 00:04:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-07-20 00:04:17,776 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-07-20 00:04:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-07-20 00:04:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-07-20 00:04:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-07-20 00:04:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-07-20 00:04:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-20 00:04:17,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-20 00:04:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:04:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:04:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:04:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-07-20 00:04:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-07-20 00:04:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:04:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-07-20 00:04:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-07-20 00:04:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-07-20 00:04:17,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-07-20 00:04:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:04:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:04:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-07-20 00:04:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-07-20 00:04:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:04:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:04:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-20 00:04:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-20 00:04:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 00:04:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 00:04:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-20 00:04:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-20 00:04:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-20 00:04:17,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-20 00:04:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:04:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 00:04:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:04:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-07-20 00:04:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-07-20 00:04:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 00:04:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 00:04:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-07-20 00:04:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-07-20 00:04:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-07-20 00:04:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-07-20 00:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 00:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-20 00:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 00:04:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 00:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-07-20 00:04:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-07-20 00:04:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 00:04:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 00:04:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-07-20 00:04:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-07-20 00:04:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-20 00:04:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-20 00:04:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-07-20 00:04:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-07-20 00:04:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 00:04:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 00:04:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-07-20 00:04:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-07-20 00:04:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-07-20 00:04:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-07-20 00:04:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-07-20 00:04:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-07-20 00:04:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-07-20 00:04:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-07-20 00:04:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 00:04:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 00:04:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-07-20 00:04:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-07-20 00:04:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-07-20 00:04:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-07-20 00:04:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-20 00:04:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-20 00:04:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 00:04:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 00:04:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-07-20 00:04:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-07-20 00:04:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 00:04:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 00:04:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-07-20 00:04:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-07-20 00:04:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-20 00:04:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-20 00:04:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-07-20 00:04:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-07-20 00:04:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-07-20 00:04:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-07-20 00:04:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 00:04:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 00:04:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-07-20 00:04:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-07-20 00:04:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-07-20 00:04:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-07-20 00:04:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:04:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:04:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 00:04:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 00:04:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-20 00:04:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-20 00:04:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-20 00:04:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-20 00:04:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-07-20 00:04:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-07-20 00:04:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-07-20 00:04:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-07-20 00:04:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-07-20 00:04:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-07-20 00:04:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-07-20 00:04:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-07-20 00:04:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-20 00:04:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-20 00:04:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:04:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:04:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-07-20 00:04:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-07-20 00:04:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-07-20 00:04:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-07-20 00:04:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-07-20 00:04:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-07-20 00:04:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 00:04:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 00:04:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-07-20 00:04:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-07-20 00:04:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-07-20 00:04:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-07-20 00:04:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 00:04:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 00:04:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 00:04:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:04:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:04:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-07-20 00:04:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-07-20 00:04:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-07-20 00:04:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-07-20 00:04:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-07-20 00:04:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-07-20 00:04:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-07-20 00:04:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-07-20 00:04:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:04:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-07-20 00:04:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-07-20 00:04:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-07-20 00:04:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-07-20 00:04:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-20 00:04:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-20 00:04:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-20 00:04:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-20 00:04:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:04:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 00:04:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 00:04:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-07-20 00:04:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-07-20 00:04:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-07-20 00:04:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-07-20 00:04:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 00:04:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 00:04:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-07-20 00:04:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-07-20 00:04:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:04:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 00:04:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 00:04:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-20 00:04:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-20 00:04:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:04:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:04:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 00:04:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-20 00:04:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-20 00:04:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-07-20 00:04:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-07-20 00:04:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-07-20 00:04:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-07-20 00:04:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-07-20 00:04:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-07-20 00:04:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 00:04:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 00:04:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-07-20 00:04:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-07-20 00:04:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-07-20 00:04:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-07-20 00:04:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-07-20 00:04:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-07-20 00:04:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-07-20 00:04:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-07-20 00:04:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-07-20 00:04:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-07-20 00:04:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 00:04:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 00:04:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-20 00:04:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-20 00:04:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-07-20 00:04:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-07-20 00:04:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 00:04:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-20 00:04:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-20 00:04:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-20 00:04:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-20 00:04:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-20 00:04:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-20 00:04:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-07-20 00:04:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-07-20 00:04:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:04:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:04:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:04:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:04:18,619 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:04:18,626 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:04:26,312 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:05:24,217 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:05:24,272 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:05:24,273 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 00:05:24,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:05:24 BoogieIcfgContainer [2022-07-20 00:05:24,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:05:24,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:05:24,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:05:24,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:05:24,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:04:13" (1/3) ... [2022-07-20 00:05:24,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1eccb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:05:24, skipping insertion in model container [2022-07-20 00:05:24,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:04:17" (2/3) ... [2022-07-20 00:05:24,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1eccb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:05:24, skipping insertion in model container [2022-07-20 00:05:24,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:05:24" (3/3) ... [2022-07-20 00:05:24,284 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-07-20 00:05:24,294 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:05:24,302 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:05:24,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:05:24,454 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4fbadec0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@78a8d7a8 [2022-07-20 00:05:24,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:05:24,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 2628 states, 1887 states have (on average 1.4197138314785374) internal successors, (2679), 1973 states have internal predecessors, (2679), 608 states have call successors, (608), 132 states have call predecessors, (608), 131 states have return successors, (593), 560 states have call predecessors, (593), 593 states have call successors, (593) [2022-07-20 00:05:24,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-20 00:05:24,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:05:24,532 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:05:24,533 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:05:24,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:05:24,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1559830805, now seen corresponding path program 1 times [2022-07-20 00:05:24,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:05:24,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473819089] [2022-07-20 00:05:24,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:05:24,572 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:05:24,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:05:24,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:05:24,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 00:05:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:05:27,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 2129 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:05:27,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:05:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-20 00:05:28,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:05:28,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:05:28,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473819089] [2022-07-20 00:05:28,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473819089] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:05:28,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:05:28,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 00:05:28,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208949175] [2022-07-20 00:05:28,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:05:28,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 00:05:28,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:05:28,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 00:05:28,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 00:05:28,289 INFO L87 Difference]: Start difference. First operand has 2628 states, 1887 states have (on average 1.4197138314785374) internal successors, (2679), 1973 states have internal predecessors, (2679), 608 states have call successors, (608), 132 states have call predecessors, (608), 131 states have return successors, (593), 560 states have call predecessors, (593), 593 states have call successors, (593) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:05:29,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:05:29,068 INFO L93 Difference]: Finished difference Result 5254 states and 7958 transitions. [2022-07-20 00:05:29,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:05:29,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 107 [2022-07-20 00:05:29,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:05:29,148 INFO L225 Difference]: With dead ends: 5254 [2022-07-20 00:05:29,148 INFO L226 Difference]: Without dead ends: 2603 [2022-07-20 00:05:29,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:05:29,181 INFO L413 NwaCegarLoop]: 3873 mSDtfsCounter, 2 mSDsluCounter, 7739 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11612 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:05:29,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11612 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 00:05:29,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2022-07-20 00:05:29,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2603. [2022-07-20 00:05:29,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2603 states, 1881 states have (on average 1.4098883572567784) internal successors, (2652), 1949 states have internal predecessors, (2652), 591 states have call successors, (591), 131 states have call predecessors, (591), 130 states have return successors, (590), 557 states have call predecessors, (590), 590 states have call successors, (590) [2022-07-20 00:05:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3833 transitions. [2022-07-20 00:05:29,501 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3833 transitions. Word has length 107 [2022-07-20 00:05:29,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:05:29,503 INFO L495 AbstractCegarLoop]: Abstraction has 2603 states and 3833 transitions. [2022-07-20 00:05:29,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:05:29,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3833 transitions. [2022-07-20 00:05:29,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-20 00:05:29,506 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:05:29,507 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:05:29,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:05:29,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:05:29,727 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:05:29,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:05:29,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1566551887, now seen corresponding path program 1 times [2022-07-20 00:05:29,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:05:29,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992317982] [2022-07-20 00:05:29,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:05:29,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:05:29,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:05:29,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:05:29,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 00:05:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:05:32,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 00:05:32,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:05:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-20 00:05:33,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:05:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-20 00:05:33,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:05:33,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992317982] [2022-07-20 00:05:33,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992317982] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:05:33,669 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:05:33,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-20 00:05:33,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999180397] [2022-07-20 00:05:33,670 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:05:33,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:05:33,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:05:33,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:05:33,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:05:33,673 INFO L87 Difference]: Start difference. First operand 2603 states and 3833 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-20 00:05:35,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:05:35,159 INFO L93 Difference]: Finished difference Result 5185 states and 7721 transitions. [2022-07-20 00:05:35,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:05:35,161 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 108 [2022-07-20 00:05:35,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:05:35,197 INFO L225 Difference]: With dead ends: 5185 [2022-07-20 00:05:35,197 INFO L226 Difference]: Without dead ends: 2612 [2022-07-20 00:05:35,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-20 00:05:35,240 INFO L413 NwaCegarLoop]: 3826 mSDtfsCounter, 14 mSDsluCounter, 7651 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 11477 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:05:35,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 11477 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 00:05:35,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2022-07-20 00:05:35,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2612. [2022-07-20 00:05:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2612 states, 1889 states have (on average 1.4097406034939122) internal successors, (2663), 1957 states have internal predecessors, (2663), 591 states have call successors, (591), 132 states have call predecessors, (591), 131 states have return successors, (590), 557 states have call predecessors, (590), 590 states have call successors, (590) [2022-07-20 00:05:35,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3844 transitions. [2022-07-20 00:05:35,428 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3844 transitions. Word has length 108 [2022-07-20 00:05:35,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:05:35,429 INFO L495 AbstractCegarLoop]: Abstraction has 2612 states and 3844 transitions. [2022-07-20 00:05:35,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-20 00:05:35,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3844 transitions. [2022-07-20 00:05:35,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-20 00:05:35,432 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:05:35,432 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:05:35,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:05:35,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:05:35,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:05:35,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:05:35,652 INFO L85 PathProgramCache]: Analyzing trace with hash 622209045, now seen corresponding path program 2 times [2022-07-20 00:05:35,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:05:35,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313194035] [2022-07-20 00:05:35,655 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:05:35,655 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:05:35,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:05:35,676 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:05:35,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 00:05:38,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:05:38,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:05:38,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:05:38,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:05:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-20 00:05:38,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:05:38,881 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:05:38,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313194035] [2022-07-20 00:05:38,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313194035] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:05:38,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:05:38,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:05:38,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890795317] [2022-07-20 00:05:38,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:05:38,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:05:38,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:05:38,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:05:38,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:05:38,882 INFO L87 Difference]: Start difference. First operand 2612 states and 3844 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:05:39,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:05:39,704 INFO L93 Difference]: Finished difference Result 7746 states and 11685 transitions. [2022-07-20 00:05:39,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:05:39,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 111 [2022-07-20 00:05:39,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:05:39,766 INFO L225 Difference]: With dead ends: 7746 [2022-07-20 00:05:39,779 INFO L226 Difference]: Without dead ends: 5176 [2022-07-20 00:05:39,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:05:39,829 INFO L413 NwaCegarLoop]: 4704 mSDtfsCounter, 3875 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3875 SdHoareTripleChecker+Valid, 8552 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:05:39,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3875 Valid, 8552 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 00:05:39,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5176 states. [2022-07-20 00:05:40,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5176 to 5173. [2022-07-20 00:05:40,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5173 states, 3747 states have (on average 1.410728582866293) internal successors, (5286), 3881 states have internal predecessors, (5286), 1165 states have call successors, (1165), 262 states have call predecessors, (1165), 260 states have return successors, (1303), 1097 states have call predecessors, (1303), 1164 states have call successors, (1303) [2022-07-20 00:05:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5173 states to 5173 states and 7754 transitions. [2022-07-20 00:05:40,193 INFO L78 Accepts]: Start accepts. Automaton has 5173 states and 7754 transitions. Word has length 111 [2022-07-20 00:05:40,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:05:40,202 INFO L495 AbstractCegarLoop]: Abstraction has 5173 states and 7754 transitions. [2022-07-20 00:05:40,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:05:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 5173 states and 7754 transitions. [2022-07-20 00:05:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-20 00:05:40,205 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:05:40,205 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:05:40,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 00:05:40,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:05:40,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:05:40,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:05:40,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1563191795, now seen corresponding path program 1 times [2022-07-20 00:05:40,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:05:40,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583523440] [2022-07-20 00:05:40,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:05:40,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:05:40,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:05:40,432 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:05:40,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 00:05:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:05:43,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 2175 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:05:43,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:05:43,593 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-20 00:05:43,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:05:43,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:05:43,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583523440] [2022-07-20 00:05:43,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [583523440] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:05:43,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:05:43,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:05:43,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114212091] [2022-07-20 00:05:43,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:05:43,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:05:43,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:05:43,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:05:43,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:05:43,594 INFO L87 Difference]: Start difference. First operand 5173 states and 7754 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:05:44,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:05:44,929 INFO L93 Difference]: Finished difference Result 15431 states and 24195 transitions. [2022-07-20 00:05:44,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:05:44,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 112 [2022-07-20 00:05:44,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:05:45,074 INFO L225 Difference]: With dead ends: 15431 [2022-07-20 00:05:45,074 INFO L226 Difference]: Without dead ends: 10300 [2022-07-20 00:05:45,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:05:45,160 INFO L413 NwaCegarLoop]: 4470 mSDtfsCounter, 3879 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3879 SdHoareTripleChecker+Valid, 8318 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:05:45,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3879 Valid, 8318 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 00:05:45,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10300 states. [2022-07-20 00:05:45,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10300 to 10297. [2022-07-20 00:05:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10297 states, 7465 states have (on average 1.4109845947756197) internal successors, (10533), 7731 states have internal predecessors, (10533), 2312 states have call successors, (2312), 522 states have call predecessors, (2312), 519 states have return successors, (3121), 2179 states have call predecessors, (3121), 2311 states have call successors, (3121) [2022-07-20 00:05:46,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10297 states to 10297 states and 15966 transitions. [2022-07-20 00:05:46,028 INFO L78 Accepts]: Start accepts. Automaton has 10297 states and 15966 transitions. Word has length 112 [2022-07-20 00:05:46,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:05:46,044 INFO L495 AbstractCegarLoop]: Abstraction has 10297 states and 15966 transitions. [2022-07-20 00:05:46,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:05:46,045 INFO L276 IsEmpty]: Start isEmpty. Operand 10297 states and 15966 transitions. [2022-07-20 00:05:46,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-20 00:05:46,048 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:05:46,048 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:05:46,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 00:05:46,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:05:46,271 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:05:46,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:05:46,272 INFO L85 PathProgramCache]: Analyzing trace with hash -248780579, now seen corresponding path program 1 times [2022-07-20 00:05:46,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:05:46,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043476934] [2022-07-20 00:05:46,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:05:46,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:05:46,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:05:46,288 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:05:46,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 00:05:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:05:49,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:05:49,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:05:50,038 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-20 00:05:50,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:05:50,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:05:50,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043476934] [2022-07-20 00:05:50,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043476934] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:05:50,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:05:50,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:05:50,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097229725] [2022-07-20 00:05:50,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:05:50,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:05:50,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:05:50,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:05:50,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:05:50,039 INFO L87 Difference]: Start difference. First operand 10297 states and 15966 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:05:51,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:05:51,261 INFO L93 Difference]: Finished difference Result 30802 states and 51885 transitions. [2022-07-20 00:05:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:05:51,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 113 [2022-07-20 00:05:51,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:05:51,606 INFO L225 Difference]: With dead ends: 30802 [2022-07-20 00:05:51,619 INFO L226 Difference]: Without dead ends: 20547 [2022-07-20 00:05:52,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:05:52,016 INFO L413 NwaCegarLoop]: 4469 mSDtfsCounter, 3880 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3880 SdHoareTripleChecker+Valid, 8317 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:05:52,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3880 Valid, 8317 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 00:05:52,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20547 states. [2022-07-20 00:05:53,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20547 to 20544. [2022-07-20 00:05:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20544 states, 14902 states have (on average 1.4108844450409341) internal successors, (21025), 15430 states have internal predecessors, (21025), 4604 states have call successors, (4604), 1042 states have call predecessors, (4604), 1037 states have return successors, (8285), 4343 states have call predecessors, (8285), 4603 states have call successors, (8285) [2022-07-20 00:05:53,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20544 states to 20544 states and 33914 transitions. [2022-07-20 00:05:53,797 INFO L78 Accepts]: Start accepts. Automaton has 20544 states and 33914 transitions. Word has length 113 [2022-07-20 00:05:53,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:05:53,797 INFO L495 AbstractCegarLoop]: Abstraction has 20544 states and 33914 transitions. [2022-07-20 00:05:53,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:05:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 20544 states and 33914 transitions. [2022-07-20 00:05:53,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-20 00:05:53,799 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:05:53,799 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:05:53,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 00:05:54,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:05:54,027 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:05:54,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:05:54,028 INFO L85 PathProgramCache]: Analyzing trace with hash -2109345323, now seen corresponding path program 1 times [2022-07-20 00:05:54,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:05:54,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [444743303] [2022-07-20 00:05:54,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:05:54,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:05:54,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:05:54,032 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:05:54,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 00:05:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:05:56,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 2179 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:05:56,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:05:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-20 00:05:56,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:05:56,928 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:05:56,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [444743303] [2022-07-20 00:05:56,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [444743303] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:05:56,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:05:56,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:05:56,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416638027] [2022-07-20 00:05:56,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:05:56,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:05:56,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:05:56,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:05:56,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:05:56,929 INFO L87 Difference]: Start difference. First operand 20544 states and 33914 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:05:59,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:05:59,480 INFO L93 Difference]: Finished difference Result 61536 states and 117766 transitions. [2022-07-20 00:05:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:05:59,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 114 [2022-07-20 00:05:59,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:06:00,155 INFO L225 Difference]: With dead ends: 61536 [2022-07-20 00:06:00,156 INFO L226 Difference]: Without dead ends: 41034 [2022-07-20 00:06:00,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:06:00,497 INFO L413 NwaCegarLoop]: 4468 mSDtfsCounter, 3881 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3881 SdHoareTripleChecker+Valid, 8316 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:06:00,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3881 Valid, 8316 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 00:06:00,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41034 states. [2022-07-20 00:06:02,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41034 to 41031. [2022-07-20 00:06:02,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41031 states, 29775 states have (on average 1.4106129303106634) internal successors, (42001), 30823 states have internal predecessors, (42001), 9182 states have call successors, (9182), 2081 states have call predecessors, (9182), 2073 states have return successors, (24620), 8670 states have call predecessors, (24620), 9181 states have call successors, (24620) [2022-07-20 00:06:03,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41031 states to 41031 states and 75803 transitions. [2022-07-20 00:06:03,110 INFO L78 Accepts]: Start accepts. Automaton has 41031 states and 75803 transitions. Word has length 114 [2022-07-20 00:06:03,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:06:03,111 INFO L495 AbstractCegarLoop]: Abstraction has 41031 states and 75803 transitions. [2022-07-20 00:06:03,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:06:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 41031 states and 75803 transitions. [2022-07-20 00:06:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-20 00:06:03,113 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:06:03,113 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:06:03,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 00:06:03,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:06:03,328 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:06:03,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:06:03,328 INFO L85 PathProgramCache]: Analyzing trace with hash 746360456, now seen corresponding path program 1 times [2022-07-20 00:06:03,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:06:03,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211471621] [2022-07-20 00:06:03,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:06:03,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:06:03,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:06:03,332 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:06:03,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 00:06:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:05,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 2253 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 00:06:05,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:06:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-20 00:06:06,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:06:06,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:06:06,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211471621] [2022-07-20 00:06:06,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211471621] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:06:06,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:06:06,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 00:06:06,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336790792] [2022-07-20 00:06:06,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:06:06,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:06:06,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:06:06,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:06:06,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:06:06,763 INFO L87 Difference]: Start difference. First operand 41031 states and 75803 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:06:11,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:06:11,841 INFO L93 Difference]: Finished difference Result 123105 states and 291419 transitions. [2022-07-20 00:06:11,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:06:11,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 118 [2022-07-20 00:06:11,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:06:12,582 INFO L225 Difference]: With dead ends: 123105 [2022-07-20 00:06:12,583 INFO L226 Difference]: Without dead ends: 82116 [2022-07-20 00:06:13,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:06:13,748 INFO L413 NwaCegarLoop]: 4777 mSDtfsCounter, 3829 mSDsluCounter, 13387 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3829 SdHoareTripleChecker+Valid, 18164 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:06:13,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3829 Valid, 18164 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 00:06:13,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82116 states. [2022-07-20 00:06:18,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82116 to 81953. [2022-07-20 00:06:18,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81953 states, 59443 states have (on average 1.4099557559342564) internal successors, (83812), 61619 states have internal predecessors, (83812), 18348 states have call successors, (18348), 4176 states have call predecessors, (18348), 4161 states have return successors, (79273), 17213 states have call predecessors, (79273), 18347 states have call successors, (79273) [2022-07-20 00:06:20,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81953 states to 81953 states and 181433 transitions. [2022-07-20 00:06:20,239 INFO L78 Accepts]: Start accepts. Automaton has 81953 states and 181433 transitions. Word has length 118 [2022-07-20 00:06:20,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:06:20,239 INFO L495 AbstractCegarLoop]: Abstraction has 81953 states and 181433 transitions. [2022-07-20 00:06:20,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:06:20,240 INFO L276 IsEmpty]: Start isEmpty. Operand 81953 states and 181433 transitions. [2022-07-20 00:06:20,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-20 00:06:20,242 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:06:20,242 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:06:20,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 00:06:20,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:06:20,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:06:20,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:06:20,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1428260295, now seen corresponding path program 1 times [2022-07-20 00:06:20,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:06:20,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455903025] [2022-07-20 00:06:20,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:06:20,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:06:20,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:06:20,471 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:06:20,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 00:06:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:06:22,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 2255 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 00:06:22,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:06:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-20 00:06:23,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:06:23,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:06:23,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455903025] [2022-07-20 00:06:23,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455903025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:06:23,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:06:23,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 00:06:23,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136711412] [2022-07-20 00:06:23,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:06:23,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:06:23,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:06:23,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:06:23,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:06:23,730 INFO L87 Difference]: Start difference. First operand 81953 states and 181433 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 00:06:42,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:06:42,006 INFO L93 Difference]: Finished difference Result 245903 states and 791893 transitions. [2022-07-20 00:06:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:06:42,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2022-07-20 00:06:42,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:06:44,703 INFO L225 Difference]: With dead ends: 245903 [2022-07-20 00:06:44,703 INFO L226 Difference]: Without dead ends: 163992 [2022-07-20 00:06:49,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:06:49,189 INFO L413 NwaCegarLoop]: 4709 mSDtfsCounter, 3830 mSDsluCounter, 13249 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3830 SdHoareTripleChecker+Valid, 17958 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:06:49,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3830 Valid, 17958 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 00:06:49,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163992 states.