./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 6c24879c 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-?-6c24879 [2022-07-12 13:01:56,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:01:56,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:01:56,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:01:56,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:01:56,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:01:56,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:01:56,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:01:56,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:01:56,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:01:56,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:01:56,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:01:56,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:01:56,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:01:56,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:01:56,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:01:56,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:01:56,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:01:56,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:01:56,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:01:56,557 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:01:56,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:01:56,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:01:56,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:01:56,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:01:56,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:01:56,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:01:56,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:01:56,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:01:56,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:01:56,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:01:56,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:01:56,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:01:56,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:01:56,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:01:56,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:01:56,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:01:56,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:01:56,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:01:56,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:01:56,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:01:56,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:01:56,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:01:56,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:01:56,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:01:56,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:01:56,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:01:56,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:01:56,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:01:56,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:01:56,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:01:56,599 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:01:56,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:01:56,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:01:56,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:01:56,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:01:56,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:01:56,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:01:56,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:01:56,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:01:56,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:01:56,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:01:56,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:01:56,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:01:56,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:01:56,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:01:56,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:01:56,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:01:56,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:01:56,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:01:56,602 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:01:56,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:01:56,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:01:56,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-07-12 13:01:56,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:01:56,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:01:56,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:01:56,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:01:56,816 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:01:56,817 INFO L432 ainManager$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 [2022-07-12 13:01:56,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe18c5cc6/c82d4dc7bb0644ad95c8f38a2b6ae3eb/FLAG92acffd42 [2022-07-12 13:01:57,532 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:01:57,532 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 [2022-07-12 13:01:57,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe18c5cc6/c82d4dc7bb0644ad95c8f38a2b6ae3eb/FLAG92acffd42 [2022-07-12 13:01:57,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe18c5cc6/c82d4dc7bb0644ad95c8f38a2b6ae3eb [2022-07-12 13:01:57,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:01:57,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:01:57,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:01:57,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:01:57,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:01:57,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:01:57" (1/1) ... [2022-07-12 13:01:57,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55447308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:57, skipping insertion in model container [2022-07-12 13:01:57,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:01:57" (1/1) ... [2022-07-12 13:01:57,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:01:57,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:01:58,341 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] [2022-07-12 13:01:58,341 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] [2022-07-12 13:01:58,341 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] [2022-07-12 13:01:58,342 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-12 13:01:58,342 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-12 13:01:58,342 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-12 13:01:58,343 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] [2022-07-12 13:01:58,343 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] [2022-07-12 13:01:58,344 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] [2022-07-12 13:01:58,344 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-12 13:01:58,344 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-12 13:01:58,344 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-12 13:01:58,663 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] [2022-07-12 13:01:59,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:01:59,925 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:01:59,982 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] [2022-07-12 13:01:59,983 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] [2022-07-12 13:01:59,983 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] [2022-07-12 13:01:59,983 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-12 13:01:59,984 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-12 13:01:59,984 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-12 13:01:59,985 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] [2022-07-12 13:01:59,985 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] [2022-07-12 13:01:59,985 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] [2022-07-12 13:01:59,986 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-12 13:01:59,986 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-12 13:01:59,986 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-12 13:01:59,992 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] [2022-07-12 13:02:00,136 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) [2022-07-12 13:02:00,144 INFO L158 Benchmark]: Toolchain (without parser) took 2245.73ms. Allocated memory was 109.1MB in the beginning and 201.3MB in the end (delta: 92.3MB). Free memory was 67.3MB in the beginning and 142.2MB in the end (delta: -74.8MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-07-12 13:02:00,145 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 13:02:00,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2242.69ms. Allocated memory was 109.1MB in the beginning and 201.3MB in the end (delta: 92.3MB). Free memory was 67.1MB in the beginning and 142.2MB in the end (delta: -75.1MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-07-12 13:02:00,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2242.69ms. Allocated memory was 109.1MB in the beginning and 201.3MB in the end (delta: 92.3MB). Free memory was 67.1MB in the beginning and 142.2MB in the end (delta: -75.1MB). Peak memory consumption was 58.9MB. 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-?-6c24879 [2022-07-12 13:02:01,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:02:01,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:02:01,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:02:01,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:02:01,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:02:01,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:02:01,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:02:01,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:02:01,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:02:01,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:02:01,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:02:01,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:02:01,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:02:01,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:02:01,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:02:01,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:02:01,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:02:01,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:02:01,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:02:01,839 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:02:01,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:02:01,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:02:01,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:02:01,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:02:01,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:02:01,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:02:01,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:02:01,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:02:01,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:02:01,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:02:01,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:02:01,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:02:01,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:02:01,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:02:01,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:02:01,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:02:01,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:02:01,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:02:01,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:02:01,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:02:01,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:02:01,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 13:02:01,873 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:02:01,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:02:01,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:02:01,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:02:01,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:02:01,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:02:01,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:02:01,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:02:01,875 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:02:01,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:02:01,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:02:01,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:02:01,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:02:01,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:02:01,878 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 13:02:01,878 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 13:02:01,878 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 13:02:01,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:02:01,878 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:02:01,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:02:01,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:02:01,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:02:01,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:02:01,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:02:01,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:02:01,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:02:01,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:02:01,880 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 13:02:01,881 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 13:02:01,881 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:02:01,881 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:02:01,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:02:01,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 13:02:01,881 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-07-12 13:02:02,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:02:02,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:02:02,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:02:02,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:02:02,194 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:02:02,195 INFO L432 ainManager$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 [2022-07-12 13:02:02,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2c54c270/11cd765747184fc2a30439d400ecf85d/FLAG421b38024 [2022-07-12 13:02:02,914 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:02:02,915 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 [2022-07-12 13:02:02,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2c54c270/11cd765747184fc2a30439d400ecf85d/FLAG421b38024 [2022-07-12 13:02:03,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2c54c270/11cd765747184fc2a30439d400ecf85d [2022-07-12 13:02:03,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:02:03,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:02:03,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:02:03,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:02:03,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:02:03,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:02:03" (1/1) ... [2022-07-12 13:02:03,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69161611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:03, skipping insertion in model container [2022-07-12 13:02:03,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:02:03" (1/1) ... [2022-07-12 13:02:03,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:02:03,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:02:03,669 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] [2022-07-12 13:02:03,669 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] [2022-07-12 13:02:03,670 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] [2022-07-12 13:02:03,670 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-12 13:02:03,670 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-12 13:02:03,670 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-12 13:02:03,671 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] [2022-07-12 13:02:03,672 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] [2022-07-12 13:02:03,672 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] [2022-07-12 13:02:03,672 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-12 13:02:03,672 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-12 13:02:03,673 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-12 13:02:04,013 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] [2022-07-12 13:02:05,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:02:05,430 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 13:02:05,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:02:05,565 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] [2022-07-12 13:02:05,565 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] [2022-07-12 13:02:05,566 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] [2022-07-12 13:02:05,566 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-12 13:02:05,566 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-12 13:02:05,566 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-12 13:02:05,567 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] [2022-07-12 13:02:05,567 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] [2022-07-12 13:02:05,567 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] [2022-07-12 13:02:05,568 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-12 13:02:05,568 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-12 13:02:05,568 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-12 13:02:05,574 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] [2022-07-12 13:02:05,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:02:05,817 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:02:05,882 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] [2022-07-12 13:02:05,883 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] [2022-07-12 13:02:05,884 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] [2022-07-12 13:02:05,884 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-12 13:02:05,884 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-12 13:02:05,884 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-12 13:02:05,885 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] [2022-07-12 13:02:05,885 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] [2022-07-12 13:02:05,885 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] [2022-07-12 13:02:05,885 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-12 13:02:05,885 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-12 13:02:05,886 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-12 13:02:05,892 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] [2022-07-12 13:02:06,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:02:06,187 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:02:06,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06 WrapperNode [2022-07-12 13:02:06,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:02:06,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:02:06,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:02:06,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:02:06,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06" (1/1) ... [2022-07-12 13:02:06,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06" (1/1) ... [2022-07-12 13:02:06,424 INFO L137 Inliner]: procedures = 359, calls = 3210, calls flagged for inlining = 153, calls inlined = 153, statements flattened = 6864 [2022-07-12 13:02:06,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:02:06,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:02:06,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:02:06,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:02:06,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06" (1/1) ... [2022-07-12 13:02:06,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06" (1/1) ... [2022-07-12 13:02:06,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06" (1/1) ... [2022-07-12 13:02:06,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06" (1/1) ... [2022-07-12 13:02:06,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06" (1/1) ... [2022-07-12 13:02:06,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06" (1/1) ... [2022-07-12 13:02:06,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06" (1/1) ... [2022-07-12 13:02:06,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:02:06,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:02:06,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:02:06,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:02:06,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06" (1/1) ... [2022-07-12 13:02:06,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:02:06,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:02:06,797 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) [2022-07-12 13:02:06,814 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 [2022-07-12 13:02:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-07-12 13:02:06,827 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-07-12 13:02:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 13:02:06,827 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 13:02:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-12 13:02:06,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-12 13:02:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-07-12 13:02:06,828 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-07-12 13:02:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-07-12 13:02:06,828 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-07-12 13:02:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 13:02:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 13:02:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-12 13:02:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-12 13:02:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 13:02:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:02:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-07-12 13:02:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-07-12 13:02:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:02:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-12 13:02:06,829 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-12 13:02:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-07-12 13:02:06,830 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-07-12 13:02:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:02:06,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:02:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-07-12 13:02:06,830 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-07-12 13:02:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-07-12 13:02:06,830 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-07-12 13:02:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 13:02:06,831 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 13:02:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-07-12 13:02:06,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-07-12 13:02:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:02:06,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:02:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-07-12 13:02:06,831 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-07-12 13:02:06,831 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-07-12 13:02:06,831 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-07-12 13:02:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-07-12 13:02:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-07-12 13:02:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-07-12 13:02:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-07-12 13:02:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-07-12 13:02:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-07-12 13:02:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-07-12 13:02:06,832 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-07-12 13:02:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-07-12 13:02:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-07-12 13:02:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-07-12 13:02:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-07-12 13:02:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-07-12 13:02:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-07-12 13:02:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-07-12 13:02:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-07-12 13:02:06,833 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:02:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:02:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:02:06,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:02:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-07-12 13:02:06,834 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-07-12 13:02:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-07-12 13:02:06,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-07-12 13:02:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 13:02:06,834 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 13:02:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:02:06,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:02:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-12 13:02:06,835 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-12 13:02:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-07-12 13:02:06,835 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-07-12 13:02:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-07-12 13:02:06,835 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-07-12 13:02:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:02:06,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:02:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-07-12 13:02:06,836 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-07-12 13:02:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-07-12 13:02:06,836 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-07-12 13:02:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-07-12 13:02:06,836 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-07-12 13:02:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-07-12 13:02:06,836 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-07-12 13:02:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-07-12 13:02:06,837 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-07-12 13:02:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-07-12 13:02:06,837 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-07-12 13:02:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-07-12 13:02:06,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-07-12 13:02:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-07-12 13:02:06,837 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-07-12 13:02:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-12 13:02:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-12 13:02:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:02:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 13:02:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 13:02:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-07-12 13:02:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-07-12 13:02:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:02:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-07-12 13:02:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-07-12 13:02:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-07-12 13:02:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-07-12 13:02:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 13:02:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 13:02:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-07-12 13:02:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-07-12 13:02:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 13:02:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 13:02:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-12 13:02:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-12 13:02:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 13:02:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 13:02:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-12 13:02:06,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-12 13:02:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-12 13:02:06,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-12 13:02:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:02:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 13:02:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:02:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-07-12 13:02:06,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-07-12 13:02:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 13:02:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 13:02:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-07-12 13:02:06,841 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-07-12 13:02:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-07-12 13:02:06,841 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-07-12 13:02:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 13:02:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-12 13:02:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 13:02:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 13:02:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-07-12 13:02:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-07-12 13:02:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 13:02:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 13:02:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-07-12 13:02:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-07-12 13:02:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-12 13:02:06,843 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-12 13:02:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-07-12 13:02:06,843 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-07-12 13:02:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 13:02:06,843 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 13:02:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-07-12 13:02:06,843 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-07-12 13:02:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-07-12 13:02:06,843 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-07-12 13:02:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-07-12 13:02:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-07-12 13:02:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-07-12 13:02:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-07-12 13:02:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 13:02:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 13:02:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-07-12 13:02:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-07-12 13:02:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-07-12 13:02:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-07-12 13:02:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-12 13:02:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-12 13:02:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-12 13:02:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-12 13:02:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-07-12 13:02:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-07-12 13:02:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 13:02:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 13:02:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-07-12 13:02:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-07-12 13:02:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-12 13:02:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-12 13:02:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-07-12 13:02:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-07-12 13:02:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-07-12 13:02:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-07-12 13:02:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 13:02:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 13:02:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-07-12 13:02:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-07-12 13:02:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-07-12 13:02:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-07-12 13:02:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:02:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:02:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 13:02:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 13:02:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-12 13:02:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-12 13:02:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-12 13:02:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-12 13:02:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-07-12 13:02:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-07-12 13:02:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-07-12 13:02:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-07-12 13:02:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-07-12 13:02:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-07-12 13:02:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-07-12 13:02:06,849 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-07-12 13:02:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-12 13:02:06,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-12 13:02:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:02:06,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:02:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-07-12 13:02:06,849 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-07-12 13:02:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-07-12 13:02:06,849 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-07-12 13:02:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-07-12 13:02:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-07-12 13:02:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 13:02:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 13:02:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-07-12 13:02:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-07-12 13:02:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-07-12 13:02:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-07-12 13:02:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 13:02:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 13:02:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 13:02:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:02:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:02:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-07-12 13:02:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-07-12 13:02:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-07-12 13:02:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-07-12 13:02:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-07-12 13:02:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-07-12 13:02:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-07-12 13:02:06,852 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-07-12 13:02:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:02:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-07-12 13:02:06,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-07-12 13:02:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-07-12 13:02:06,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-07-12 13:02:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-12 13:02:06,852 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-12 13:02:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-12 13:02:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-12 13:02:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:02:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 13:02:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 13:02:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-07-12 13:02:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-07-12 13:02:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-07-12 13:02:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-07-12 13:02:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 13:02:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 13:02:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-07-12 13:02:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-07-12 13:02:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:02:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 13:02:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 13:02:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 13:02:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 13:02:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:02:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:02:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 13:02:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-12 13:02:06,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-12 13:02:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-07-12 13:02:06,855 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-07-12 13:02:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-07-12 13:02:06,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-07-12 13:02:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-07-12 13:02:06,855 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-07-12 13:02:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 13:02:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 13:02:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-07-12 13:02:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-07-12 13:02:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-07-12 13:02:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-07-12 13:02:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-07-12 13:02:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-07-12 13:02:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-07-12 13:02:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-07-12 13:02:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-07-12 13:02:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-07-12 13:02:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 13:02:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 13:02:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-12 13:02:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-12 13:02:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-07-12 13:02:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-07-12 13:02:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 13:02:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-12 13:02:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-12 13:02:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-12 13:02:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-12 13:02:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-12 13:02:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-12 13:02:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-07-12 13:02:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-07-12 13:02:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:02:06,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:02:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 13:02:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 13:02:07,725 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:02:07,729 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:02:14,768 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:03:12,165 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:03:12,183 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:03:12,184 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 13:03:12,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:03:12 BoogieIcfgContainer [2022-07-12 13:03:12,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:03:12,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:03:12,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:03:12,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:03:12,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:02:03" (1/3) ... [2022-07-12 13:03:12,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482baac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:03:12, skipping insertion in model container [2022-07-12 13:03:12,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:02:06" (2/3) ... [2022-07-12 13:03:12,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482baac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:03:12, skipping insertion in model container [2022-07-12 13:03:12,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:03:12" (3/3) ... [2022-07-12 13:03:12,194 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-07-12 13:03:12,204 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:03:12,205 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:03:12,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:03:12,283 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@672045f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@22bf2336 [2022-07-12 13:03:12,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:03:12,294 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) [2022-07-12 13:03:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 13:03:12,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:12,306 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] [2022-07-12 13:03:12,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:12,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:12,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1559830805, now seen corresponding path program 1 times [2022-07-12 13:03:12,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:12,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760549074] [2022-07-12 13:03:12,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:12,324 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:12,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:12,338 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) [2022-07-12 13:03:12,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 13:03:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:14,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 2129 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 13:03:14,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-12 13:03:14,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:14,967 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:14,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760549074] [2022-07-12 13:03:14,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1760549074] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:14,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:14,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 13:03:14,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306252645] [2022-07-12 13:03:14,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:14,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 13:03:14,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:14,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 13:03:14,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 13:03:14,997 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) [2022-07-12 13:03:15,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:15,292 INFO L93 Difference]: Finished difference Result 5254 states and 7958 transitions. [2022-07-12 13:03:15,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 13:03:15,296 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 [2022-07-12 13:03:15,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:15,321 INFO L225 Difference]: With dead ends: 5254 [2022-07-12 13:03:15,322 INFO L226 Difference]: Without dead ends: 2603 [2022-07-12 13:03:15,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:03:15,344 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, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:03:15,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11612 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 13:03:15,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2022-07-12 13:03:15,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2603. [2022-07-12 13:03:15,454 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) [2022-07-12 13:03:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3833 transitions. [2022-07-12 13:03:15,476 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3833 transitions. Word has length 107 [2022-07-12 13:03:15,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:15,478 INFO L495 AbstractCegarLoop]: Abstraction has 2603 states and 3833 transitions. [2022-07-12 13:03:15,478 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) [2022-07-12 13:03:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3833 transitions. [2022-07-12 13:03:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-12 13:03:15,480 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:15,481 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] [2022-07-12 13:03:15,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:15,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:15,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:15,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:15,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1566551887, now seen corresponding path program 1 times [2022-07-12 13:03:15,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:15,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100191638] [2022-07-12 13:03:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:15,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:15,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:15,708 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) [2022-07-12 13:03:15,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 13:03:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:18,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 13:03:18,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-12 13:03:18,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:03:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-12 13:03:18,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:18,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100191638] [2022-07-12 13:03:18,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100191638] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:03:18,548 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:03:18,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-12 13:03:18,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61608582] [2022-07-12 13:03:18,549 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:03:18,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 13:03:18,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:18,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 13:03:18,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:03:18,551 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) [2022-07-12 13:03:19,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:19,216 INFO L93 Difference]: Finished difference Result 5185 states and 7721 transitions. [2022-07-12 13:03:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 13:03:19,218 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 [2022-07-12 13:03:19,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:19,232 INFO L225 Difference]: With dead ends: 5185 [2022-07-12 13:03:19,233 INFO L226 Difference]: Without dead ends: 2612 [2022-07-12 13:03:19,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-12 13:03:19,246 INFO L413 NwaCegarLoop]: 3826 mSDtfsCounter, 14 mSDsluCounter, 7651 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:03:19,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 11477 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 13:03:19,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2022-07-12 13:03:19,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2612. [2022-07-12 13:03:19,309 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) [2022-07-12 13:03:19,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3844 transitions. [2022-07-12 13:03:19,331 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3844 transitions. Word has length 108 [2022-07-12 13:03:19,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:19,332 INFO L495 AbstractCegarLoop]: Abstraction has 2612 states and 3844 transitions. [2022-07-12 13:03:19,332 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) [2022-07-12 13:03:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3844 transitions. [2022-07-12 13:03:19,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 13:03:19,333 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:19,334 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] [2022-07-12 13:03:19,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:19,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:19,548 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:19,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:19,548 INFO L85 PathProgramCache]: Analyzing trace with hash 622209045, now seen corresponding path program 2 times [2022-07-12 13:03:19,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:19,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768669642] [2022-07-12 13:03:19,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:03:19,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:19,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:19,551 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) [2022-07-12 13:03:19,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 13:03:21,632 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:03:21,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:03:21,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:03:21,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-12 13:03:21,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:21,803 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:21,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768669642] [2022-07-12 13:03:21,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768669642] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:21,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:21,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:03:21,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857655257] [2022-07-12 13:03:21,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:21,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:03:21,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:21,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:03:21,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:03:21,805 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) [2022-07-12 13:03:22,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:22,259 INFO L93 Difference]: Finished difference Result 7746 states and 11685 transitions. [2022-07-12 13:03:22,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:03:22,261 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 [2022-07-12 13:03:22,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:22,290 INFO L225 Difference]: With dead ends: 7746 [2022-07-12 13:03:22,291 INFO L226 Difference]: Without dead ends: 5176 [2022-07-12 13:03:22,309 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 [2022-07-12 13:03:22,310 INFO L413 NwaCegarLoop]: 4704 mSDtfsCounter, 3875 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:03:22,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3875 Valid, 8552 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 13:03:22,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5176 states. [2022-07-12 13:03:22,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5176 to 5173. [2022-07-12 13:03:22,465 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) [2022-07-12 13:03:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5173 states to 5173 states and 7754 transitions. [2022-07-12 13:03:22,496 INFO L78 Accepts]: Start accepts. Automaton has 5173 states and 7754 transitions. Word has length 111 [2022-07-12 13:03:22,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:22,497 INFO L495 AbstractCegarLoop]: Abstraction has 5173 states and 7754 transitions. [2022-07-12 13:03:22,499 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) [2022-07-12 13:03:22,499 INFO L276 IsEmpty]: Start isEmpty. Operand 5173 states and 7754 transitions. [2022-07-12 13:03:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-12 13:03:22,503 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:22,504 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] [2022-07-12 13:03:22,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:22,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:22,728 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:22,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:22,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1563191795, now seen corresponding path program 1 times [2022-07-12 13:03:22,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:22,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639320502] [2022-07-12 13:03:22,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:22,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:22,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:22,732 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) [2022-07-12 13:03:22,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 13:03:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:25,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 2175 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:03:25,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:25,191 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-12 13:03:25,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:25,191 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:25,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639320502] [2022-07-12 13:03:25,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639320502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:25,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:25,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:03:25,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272652097] [2022-07-12 13:03:25,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:25,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:03:25,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:25,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:03:25,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:03:25,193 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) [2022-07-12 13:03:25,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:25,804 INFO L93 Difference]: Finished difference Result 15431 states and 24195 transitions. [2022-07-12 13:03:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:03:25,805 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 [2022-07-12 13:03:25,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:25,907 INFO L225 Difference]: With dead ends: 15431 [2022-07-12 13:03:25,911 INFO L226 Difference]: Without dead ends: 10300 [2022-07-12 13:03:25,989 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 [2022-07-12 13:03:26,022 INFO L413 NwaCegarLoop]: 4470 mSDtfsCounter, 3879 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:03:26,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3879 Valid, 8318 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 13:03:26,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10300 states. [2022-07-12 13:03:26,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10300 to 10297. [2022-07-12 13:03:26,409 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) [2022-07-12 13:03:26,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10297 states to 10297 states and 15966 transitions. [2022-07-12 13:03:26,577 INFO L78 Accepts]: Start accepts. Automaton has 10297 states and 15966 transitions. Word has length 112 [2022-07-12 13:03:26,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:26,578 INFO L495 AbstractCegarLoop]: Abstraction has 10297 states and 15966 transitions. [2022-07-12 13:03:26,579 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) [2022-07-12 13:03:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 10297 states and 15966 transitions. [2022-07-12 13:03:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 13:03:26,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:26,581 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] [2022-07-12 13:03:26,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:26,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:26,803 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:26,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:26,804 INFO L85 PathProgramCache]: Analyzing trace with hash -248780579, now seen corresponding path program 1 times [2022-07-12 13:03:26,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:26,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930549754] [2022-07-12 13:03:26,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:26,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:26,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:26,807 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) [2022-07-12 13:03:26,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 13:03:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:29,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:03:29,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:29,372 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-12 13:03:29,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:29,373 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:29,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930549754] [2022-07-12 13:03:29,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930549754] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:29,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:29,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:03:29,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641917359] [2022-07-12 13:03:29,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:29,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:03:29,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:29,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:03:29,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:03:29,374 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) [2022-07-12 13:03:30,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:30,445 INFO L93 Difference]: Finished difference Result 30802 states and 51885 transitions. [2022-07-12 13:03:30,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:03:30,448 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 [2022-07-12 13:03:30,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:30,614 INFO L225 Difference]: With dead ends: 30802 [2022-07-12 13:03:30,614 INFO L226 Difference]: Without dead ends: 20547 [2022-07-12 13:03:30,704 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 [2022-07-12 13:03:30,705 INFO L413 NwaCegarLoop]: 4469 mSDtfsCounter, 3880 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:03:30,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3880 Valid, 8317 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 13:03:30,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20547 states. [2022-07-12 13:03:31,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20547 to 20544. [2022-07-12 13:03:31,460 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) [2022-07-12 13:03:31,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20544 states to 20544 states and 33914 transitions. [2022-07-12 13:03:31,742 INFO L78 Accepts]: Start accepts. Automaton has 20544 states and 33914 transitions. Word has length 113 [2022-07-12 13:03:31,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:31,742 INFO L495 AbstractCegarLoop]: Abstraction has 20544 states and 33914 transitions. [2022-07-12 13:03:31,743 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) [2022-07-12 13:03:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 20544 states and 33914 transitions. [2022-07-12 13:03:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 13:03:31,744 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:31,744 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] [2022-07-12 13:03:31,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:31,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:31,959 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:31,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:31,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2109345323, now seen corresponding path program 1 times [2022-07-12 13:03:31,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:31,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590330632] [2022-07-12 13:03:31,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:31,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:31,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:31,964 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) [2022-07-12 13:03:31,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 13:03:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:34,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 2179 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:03:34,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:34,391 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-12 13:03:34,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:34,391 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:34,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590330632] [2022-07-12 13:03:34,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590330632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:34,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:34,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:03:34,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578437484] [2022-07-12 13:03:34,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:34,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:03:34,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:34,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:03:34,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:03:34,393 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) [2022-07-12 13:03:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:36,353 INFO L93 Difference]: Finished difference Result 61536 states and 117766 transitions. [2022-07-12 13:03:36,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:03:36,353 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 [2022-07-12 13:03:36,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:36,657 INFO L225 Difference]: With dead ends: 61536 [2022-07-12 13:03:36,658 INFO L226 Difference]: Without dead ends: 41034 [2022-07-12 13:03:36,985 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 [2022-07-12 13:03:36,986 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:03:36,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3881 Valid, 8316 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 13:03:37,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41034 states. [2022-07-12 13:03:38,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41034 to 41031. [2022-07-12 13:03:38,583 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) [2022-07-12 13:03:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41031 states to 41031 states and 75803 transitions. [2022-07-12 13:03:39,036 INFO L78 Accepts]: Start accepts. Automaton has 41031 states and 75803 transitions. Word has length 114 [2022-07-12 13:03:39,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:39,037 INFO L495 AbstractCegarLoop]: Abstraction has 41031 states and 75803 transitions. [2022-07-12 13:03:39,037 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) [2022-07-12 13:03:39,037 INFO L276 IsEmpty]: Start isEmpty. Operand 41031 states and 75803 transitions. [2022-07-12 13:03:39,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-12 13:03:39,040 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:39,040 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] [2022-07-12 13:03:39,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:39,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:39,255 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:39,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:39,256 INFO L85 PathProgramCache]: Analyzing trace with hash 746360456, now seen corresponding path program 1 times [2022-07-12 13:03:39,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:39,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886000234] [2022-07-12 13:03:39,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:39,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:39,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:39,259 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) [2022-07-12 13:03:39,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 13:03:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:41,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 2253 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 13:03:41,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-12 13:03:42,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:42,560 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:42,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886000234] [2022-07-12 13:03:42,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886000234] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:42,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:42,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 13:03:42,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303535148] [2022-07-12 13:03:42,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:42,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:03:42,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:42,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:03:42,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:03:42,562 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) [2022-07-12 13:03:46,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:46,889 INFO L93 Difference]: Finished difference Result 123105 states and 291419 transitions. [2022-07-12 13:03:46,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:03:46,889 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 [2022-07-12 13:03:46,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:47,938 INFO L225 Difference]: With dead ends: 123105 [2022-07-12 13:03:47,938 INFO L226 Difference]: Without dead ends: 82116 [2022-07-12 13:03:49,059 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 [2022-07-12 13:03:49,059 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 [2022-07-12 13:03:49,060 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] [2022-07-12 13:03:49,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82116 states. [2022-07-12 13:03:52,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82116 to 81953. [2022-07-12 13:03:53,316 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) [2022-07-12 13:03:55,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81953 states to 81953 states and 181433 transitions. [2022-07-12 13:03:55,220 INFO L78 Accepts]: Start accepts. Automaton has 81953 states and 181433 transitions. Word has length 118 [2022-07-12 13:03:55,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:55,221 INFO L495 AbstractCegarLoop]: Abstraction has 81953 states and 181433 transitions. [2022-07-12 13:03:55,221 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) [2022-07-12 13:03:55,221 INFO L276 IsEmpty]: Start isEmpty. Operand 81953 states and 181433 transitions. [2022-07-12 13:03:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-12 13:03:55,223 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:55,223 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] [2022-07-12 13:03:55,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:55,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:55,435 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:55,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:55,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1428260295, now seen corresponding path program 1 times [2022-07-12 13:03:55,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:55,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249151985] [2022-07-12 13:03:55,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:55,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:55,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:55,438 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) [2022-07-12 13:03:55,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 13:03:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:57,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 2255 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 13:03:57,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:58,807 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-12 13:03:58,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:58,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:58,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249151985] [2022-07-12 13:03:58,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1249151985] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:58,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:58,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 13:03:58,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627639992] [2022-07-12 13:03:58,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:58,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:03:58,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:58,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:03:58,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:03:58,809 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) [2022-07-12 13:04:15,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:04:15,588 INFO L93 Difference]: Finished difference Result 245903 states and 791893 transitions. [2022-07-12 13:04:15,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:04:15,589 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 [2022-07-12 13:04:15,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:04:18,268 INFO L225 Difference]: With dead ends: 245903 [2022-07-12 13:04:18,268 INFO L226 Difference]: Without dead ends: 163992 [2022-07-12 13:04:23,324 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 [2022-07-12 13:04:23,324 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 [2022-07-12 13:04:23,324 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] [2022-07-12 13:04:23,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163992 states.