./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 791161d1 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-?-791161d [2022-07-23 00:18:50,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:18:50,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:18:50,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:18:50,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:18:50,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:18:50,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:18:50,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:18:50,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:18:50,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:18:50,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:18:50,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:18:50,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:18:50,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:18:50,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:18:50,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:18:50,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:18:50,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:18:50,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:18:50,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:18:50,079 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:18:50,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:18:50,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:18:50,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:18:50,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:18:50,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:18:50,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:18:50,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:18:50,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:18:50,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:18:50,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:18:50,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:18:50,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:18:50,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:18:50,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:18:50,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:18:50,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:18:50,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:18:50,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:18:50,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:18:50,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:18:50,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:18:50,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:18:50,117 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:18:50,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:18:50,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:18:50,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:18:50,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:18:50,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:18:50,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:18:50,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:18:50,119 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:18:50,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:18:50,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:18:50,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:18:50,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:18:50,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:18:50,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:18:50,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:18:50,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:18:50,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:18:50,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:18:50,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:18:50,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:18:50,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:18:50,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:18:50,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:18:50,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:18:50,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:18:50,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:18:50,122 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:18:50,123 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:18:50,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:18:50,123 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-07-23 00:18:50,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:18:50,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:18:50,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:18:50,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:18:50,369 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:18:50,370 INFO L432 ainManager$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 [2022-07-23 00:18:50,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855af8582/d78d5d6ba29f423386cc59c28cef8cb0/FLAG4373a0e6b [2022-07-23 00:18:51,233 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:18:51,234 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 [2022-07-23 00:18:51,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855af8582/d78d5d6ba29f423386cc59c28cef8cb0/FLAG4373a0e6b [2022-07-23 00:18:51,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855af8582/d78d5d6ba29f423386cc59c28cef8cb0 [2022-07-23 00:18:51,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:18:51,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:18:51,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:18:51,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:18:51,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:18:51,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:18:51" (1/1) ... [2022-07-23 00:18:51,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e8921f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:18:51, skipping insertion in model container [2022-07-23 00:18:51,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:18:51" (1/1) ... [2022-07-23 00:18:51,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:18:51,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:18:52,037 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] [2022-07-23 00:18:52,038 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] [2022-07-23 00:18:52,038 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] [2022-07-23 00:18:52,038 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-23 00:18:52,039 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-23 00:18:52,039 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-23 00:18:52,040 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] [2022-07-23 00:18:52,041 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] [2022-07-23 00:18:52,041 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] [2022-07-23 00:18:52,041 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-23 00:18:52,041 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-23 00:18:52,042 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-23 00:18:52,416 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] [2022-07-23 00:18:53,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:18:53,804 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:18:53,858 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] [2022-07-23 00:18:53,859 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] [2022-07-23 00:18:53,859 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] [2022-07-23 00:18:53,859 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-23 00:18:53,859 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-23 00:18:53,860 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-23 00:18:53,860 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] [2022-07-23 00:18:53,861 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] [2022-07-23 00:18:53,861 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] [2022-07-23 00:18:53,861 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-23 00:18:53,861 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-23 00:18:53,862 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-23 00:18:53,867 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] [2022-07-23 00:18:54,085 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) [2022-07-23 00:18:54,093 INFO L158 Benchmark]: Toolchain (without parser) took 2639.67ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 75.9MB in the beginning and 58.4MB in the end (delta: 17.5MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2022-07-23 00:18:54,094 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 00:18:54,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2637.27ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 75.8MB in the beginning and 58.4MB in the end (delta: 17.4MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2022-07-23 00:18:54,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2637.27ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 75.8MB in the beginning and 58.4MB in the end (delta: 17.4MB). Peak memory consumption was 60.3MB. 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-?-791161d [2022-07-23 00:18:55,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:18:55,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:18:56,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:18:56,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:18:56,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:18:56,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:18:56,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:18:56,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:18:56,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:18:56,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:18:56,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:18:56,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:18:56,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:18:56,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:18:56,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:18:56,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:18:56,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:18:56,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:18:56,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:18:56,032 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:18:56,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:18:56,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:18:56,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:18:56,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:18:56,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:18:56,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:18:56,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:18:56,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:18:56,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:18:56,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:18:56,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:18:56,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:18:56,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:18:56,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:18:56,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:18:56,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:18:56,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:18:56,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:18:56,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:18:56,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:18:56,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:18:56,054 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 00:18:56,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:18:56,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:18:56,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:18:56,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:18:56,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:18:56,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:18:56,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:18:56,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:18:56,079 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:18:56,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:18:56,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:18:56,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:18:56,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:18:56,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:18:56,080 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 00:18:56,080 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 00:18:56,081 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 00:18:56,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:18:56,081 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:18:56,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:18:56,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:18:56,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:18:56,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:18:56,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:18:56,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:18:56,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:18:56,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:18:56,082 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 00:18:56,083 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 00:18:56,083 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:18:56,083 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:18:56,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:18:56,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 00:18:56,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-07-23 00:18:56,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:18:56,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:18:56,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:18:56,370 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:18:56,370 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:18:56,371 INFO L432 ainManager$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 [2022-07-23 00:18:56,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e28e724/8d2e812fa7ce42cab065d4c9bc46cbb8/FLAG6c97685a2 [2022-07-23 00:18:57,038 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:18:57,039 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 [2022-07-23 00:18:57,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e28e724/8d2e812fa7ce42cab065d4c9bc46cbb8/FLAG6c97685a2 [2022-07-23 00:18:57,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e28e724/8d2e812fa7ce42cab065d4c9bc46cbb8 [2022-07-23 00:18:57,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:18:57,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:18:57,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:18:57,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:18:57,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:18:57,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:18:57" (1/1) ... [2022-07-23 00:18:57,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d085edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:18:57, skipping insertion in model container [2022-07-23 00:18:57,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:18:57" (1/1) ... [2022-07-23 00:18:57,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:18:57,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:18:58,040 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] [2022-07-23 00:18:58,041 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] [2022-07-23 00:18:58,041 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] [2022-07-23 00:18:58,042 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-23 00:18:58,042 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-23 00:18:58,043 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-23 00:18:58,044 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] [2022-07-23 00:18:58,045 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] [2022-07-23 00:18:58,045 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] [2022-07-23 00:18:58,045 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-23 00:18:58,045 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-23 00:18:58,047 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-23 00:18:58,256 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] [2022-07-23 00:18:59,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:18:59,336 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 00:18:59,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:18:59,456 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] [2022-07-23 00:18:59,457 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] [2022-07-23 00:18:59,457 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] [2022-07-23 00:18:59,457 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-23 00:18:59,458 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-23 00:18:59,458 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-23 00:18:59,459 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] [2022-07-23 00:18:59,459 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] [2022-07-23 00:18:59,460 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] [2022-07-23 00:18:59,460 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-23 00:18:59,460 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-23 00:18:59,461 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-23 00:18:59,479 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] [2022-07-23 00:18:59,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:18:59,737 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:18:59,825 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] [2022-07-23 00:18:59,826 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] [2022-07-23 00:18:59,826 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] [2022-07-23 00:18:59,826 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-23 00:18:59,827 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-23 00:18:59,827 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-23 00:18:59,827 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] [2022-07-23 00:18:59,828 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] [2022-07-23 00:18:59,828 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] [2022-07-23 00:18:59,828 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-23 00:18:59,828 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-23 00:18:59,829 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-23 00:18:59,837 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] [2022-07-23 00:19:00,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:19:00,272 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:19:00,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00 WrapperNode [2022-07-23 00:19:00,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:19:00,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:19:00,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:19:00,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:19:00,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00" (1/1) ... [2022-07-23 00:19:00,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00" (1/1) ... [2022-07-23 00:19:00,600 INFO L137 Inliner]: procedures = 359, calls = 3210, calls flagged for inlining = 153, calls inlined = 153, statements flattened = 6864 [2022-07-23 00:19:00,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:19:00,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:19:00,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:19:00,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:19:00,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00" (1/1) ... [2022-07-23 00:19:00,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00" (1/1) ... [2022-07-23 00:19:00,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00" (1/1) ... [2022-07-23 00:19:00,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00" (1/1) ... [2022-07-23 00:19:00,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00" (1/1) ... [2022-07-23 00:19:00,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00" (1/1) ... [2022-07-23 00:19:00,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00" (1/1) ... [2022-07-23 00:19:00,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:19:00,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:19:00,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:19:00,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:19:00,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00" (1/1) ... [2022-07-23 00:19:00,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:19:00,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:19:01,037 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) [2022-07-23 00:19:01,047 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 [2022-07-23 00:19:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-07-23 00:19:01,097 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-07-23 00:19:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 00:19:01,097 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 00:19:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-23 00:19:01,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-23 00:19:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-07-23 00:19:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-07-23 00:19:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-07-23 00:19:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-07-23 00:19:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 00:19:01,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 00:19:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-23 00:19:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-23 00:19:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 00:19:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:19:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-07-23 00:19:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-07-23 00:19:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:19:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-23 00:19:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-23 00:19:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-07-23 00:19:01,107 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-07-23 00:19:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:19:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:19:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-07-23 00:19:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-07-23 00:19:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-07-23 00:19:01,108 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-07-23 00:19:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 00:19:01,124 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 00:19:01,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-07-23 00:19:01,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-07-23 00:19:01,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:19:01,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:19:01,125 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-07-23 00:19:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-07-23 00:19:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-07-23 00:19:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-07-23 00:19:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-07-23 00:19:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-07-23 00:19:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-07-23 00:19:01,127 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-07-23 00:19:01,127 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-07-23 00:19:01,127 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-07-23 00:19:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-07-23 00:19:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-07-23 00:19:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-07-23 00:19:01,136 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-07-23 00:19:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-07-23 00:19:01,136 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-07-23 00:19:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-07-23 00:19:01,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-07-23 00:19:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-07-23 00:19:01,137 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-07-23 00:19:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:19:01,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:19:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:19:01,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:19:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-07-23 00:19:01,138 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-07-23 00:19:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-07-23 00:19:01,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-07-23 00:19:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 00:19:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 00:19:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:19:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:19:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-23 00:19:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-23 00:19:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-07-23 00:19:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-07-23 00:19:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-07-23 00:19:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-07-23 00:19:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:19:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:19:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-07-23 00:19:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-07-23 00:19:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-07-23 00:19:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-07-23 00:19:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-07-23 00:19:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-07-23 00:19:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-07-23 00:19:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-07-23 00:19:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-07-23 00:19:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-07-23 00:19:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-07-23 00:19:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-07-23 00:19:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-07-23 00:19:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-07-23 00:19:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-07-23 00:19:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-07-23 00:19:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-23 00:19:01,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-23 00:19:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:19:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 00:19:01,143 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 00:19:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-07-23 00:19:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-07-23 00:19:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:19:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-07-23 00:19:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-07-23 00:19:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-07-23 00:19:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-07-23 00:19:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 00:19:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 00:19:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-07-23 00:19:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-07-23 00:19:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:19:01,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:19:01,145 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-23 00:19:01,151 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-23 00:19:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 00:19:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 00:19:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-23 00:19:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-23 00:19:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-23 00:19:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-23 00:19:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:19:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 00:19:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:19:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-07-23 00:19:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-07-23 00:19:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 00:19:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 00:19:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-07-23 00:19:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-07-23 00:19:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-07-23 00:19:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-07-23 00:19:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 00:19:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-23 00:19:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 00:19:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 00:19:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-07-23 00:19:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-07-23 00:19:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 00:19:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 00:19:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-07-23 00:19:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-07-23 00:19:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-23 00:19:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-23 00:19:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-07-23 00:19:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-07-23 00:19:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 00:19:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 00:19:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-07-23 00:19:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-07-23 00:19:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-07-23 00:19:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-07-23 00:19:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-07-23 00:19:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-07-23 00:19:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-07-23 00:19:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-07-23 00:19:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 00:19:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 00:19:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-07-23 00:19:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-07-23 00:19:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-07-23 00:19:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-07-23 00:19:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-23 00:19:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-23 00:19:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-23 00:19:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-23 00:19:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-07-23 00:19:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-07-23 00:19:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 00:19:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 00:19:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-07-23 00:19:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-07-23 00:19:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-23 00:19:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-23 00:19:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-07-23 00:19:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-07-23 00:19:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-07-23 00:19:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-07-23 00:19:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 00:19:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 00:19:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-07-23 00:19:01,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-07-23 00:19:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-07-23 00:19:01,160 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-07-23 00:19:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:19:01,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:19:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 00:19:01,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 00:19:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-23 00:19:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-23 00:19:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-23 00:19:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-23 00:19:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-07-23 00:19:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-07-23 00:19:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-07-23 00:19:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-07-23 00:19:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-07-23 00:19:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-07-23 00:19:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-07-23 00:19:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-07-23 00:19:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 00:19:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 00:19:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:19:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:19:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-07-23 00:19:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-07-23 00:19:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-07-23 00:19:01,163 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-07-23 00:19:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-07-23 00:19:01,163 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-07-23 00:19:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 00:19:01,163 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 00:19:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-07-23 00:19:01,163 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-07-23 00:19:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-07-23 00:19:01,164 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-07-23 00:19:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 00:19:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 00:19:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 00:19:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:19:01,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:19:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-07-23 00:19:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-07-23 00:19:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-07-23 00:19:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-07-23 00:19:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-07-23 00:19:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-07-23 00:19:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-07-23 00:19:01,165 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-07-23 00:19:01,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:19:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-07-23 00:19:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-07-23 00:19:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-07-23 00:19:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-07-23 00:19:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-23 00:19:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-23 00:19:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-23 00:19:01,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-23 00:19:01,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:19:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 00:19:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 00:19:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-07-23 00:19:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-07-23 00:19:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-07-23 00:19:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-07-23 00:19:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 00:19:01,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 00:19:01,167 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-07-23 00:19:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-07-23 00:19:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:19:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 00:19:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 00:19:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 00:19:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 00:19:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:19:01,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:19:01,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 00:19:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-23 00:19:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-23 00:19:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-07-23 00:19:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-07-23 00:19:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-07-23 00:19:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-07-23 00:19:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-07-23 00:19:01,169 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-07-23 00:19:01,169 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 00:19:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 00:19:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-07-23 00:19:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-07-23 00:19:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-07-23 00:19:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-07-23 00:19:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-07-23 00:19:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-07-23 00:19:01,170 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-07-23 00:19:01,170 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-07-23 00:19:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-07-23 00:19:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-07-23 00:19:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 00:19:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 00:19:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-23 00:19:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-23 00:19:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-07-23 00:19:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-07-23 00:19:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 00:19:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-23 00:19:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-23 00:19:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-23 00:19:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-23 00:19:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-23 00:19:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-23 00:19:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-07-23 00:19:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-07-23 00:19:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:19:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:19:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 00:19:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 00:19:02,052 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:19:02,054 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:19:11,269 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:20:14,659 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:20:14,694 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:20:14,694 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 00:20:14,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:20:14 BoogieIcfgContainer [2022-07-23 00:20:14,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:20:14,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:20:14,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:20:14,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:20:14,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:18:57" (1/3) ... [2022-07-23 00:20:14,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be51657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:20:14, skipping insertion in model container [2022-07-23 00:20:14,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:19:00" (2/3) ... [2022-07-23 00:20:14,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be51657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:20:14, skipping insertion in model container [2022-07-23 00:20:14,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:20:14" (3/3) ... [2022-07-23 00:20:14,705 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-07-23 00:20:14,715 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:20:14,715 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:20:14,800 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:20:14,804 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@76a0820, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7e9921b2 [2022-07-23 00:20:14,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:20:14,816 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) [2022-07-23 00:20:14,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-23 00:20:14,839 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:20:14,840 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] [2022-07-23 00:20:14,840 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:20:14,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:20:14,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1559830805, now seen corresponding path program 1 times [2022-07-23 00:20:14,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:20:14,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428164382] [2022-07-23 00:20:14,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:20:14,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:20:14,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:20:14,864 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) [2022-07-23 00:20:14,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 00:20:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:17,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 2129 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 00:20:17,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:20:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-23 00:20:17,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:20:17,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:20:17,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428164382] [2022-07-23 00:20:17,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [428164382] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:20:17,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:20:17,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 00:20:17,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928453268] [2022-07-23 00:20:17,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:20:17,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 00:20:17,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:20:17,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 00:20:17,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 00:20:17,369 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) [2022-07-23 00:20:17,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:20:17,702 INFO L93 Difference]: Finished difference Result 5254 states and 7958 transitions. [2022-07-23 00:20:17,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 00:20:17,705 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 [2022-07-23 00:20:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:20:17,737 INFO L225 Difference]: With dead ends: 5254 [2022-07-23 00:20:17,737 INFO L226 Difference]: Without dead ends: 2603 [2022-07-23 00:20:17,759 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 [2022-07-23 00:20:17,763 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 [2022-07-23 00:20:17,765 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] [2022-07-23 00:20:17,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2022-07-23 00:20:17,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2603. [2022-07-23 00:20:17,896 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) [2022-07-23 00:20:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3833 transitions. [2022-07-23 00:20:17,917 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3833 transitions. Word has length 107 [2022-07-23 00:20:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:20:17,919 INFO L495 AbstractCegarLoop]: Abstraction has 2603 states and 3833 transitions. [2022-07-23 00:20:17,919 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) [2022-07-23 00:20:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3833 transitions. [2022-07-23 00:20:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-23 00:20:17,921 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:20:17,922 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] [2022-07-23 00:20:17,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 00:20:18,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:20:18,148 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:20:18,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:20:18,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1566551887, now seen corresponding path program 1 times [2022-07-23 00:20:18,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:20:18,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272065622] [2022-07-23 00:20:18,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:20:18,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:20:18,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:20:18,153 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) [2022-07-23 00:20:18,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 00:20:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:20,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 00:20:20,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:20:20,600 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-23 00:20:20,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:20:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-23 00:20:20,941 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:20:20,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272065622] [2022-07-23 00:20:20,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272065622] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:20:20,941 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 00:20:20,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-23 00:20:20,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250599646] [2022-07-23 00:20:20,941 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 00:20:20,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:20:20,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:20:20,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:20:20,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:20:20,943 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) [2022-07-23 00:20:21,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:20:21,738 INFO L93 Difference]: Finished difference Result 5185 states and 7721 transitions. [2022-07-23 00:20:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 00:20:21,739 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 [2022-07-23 00:20:21,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:20:21,756 INFO L225 Difference]: With dead ends: 5185 [2022-07-23 00:20:21,757 INFO L226 Difference]: Without dead ends: 2612 [2022-07-23 00:20:21,773 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 [2022-07-23 00:20:21,774 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 [2022-07-23 00:20:21,774 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] [2022-07-23 00:20:21,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2022-07-23 00:20:21,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2612. [2022-07-23 00:20:21,840 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) [2022-07-23 00:20:21,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3844 transitions. [2022-07-23 00:20:21,864 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3844 transitions. Word has length 108 [2022-07-23 00:20:21,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:20:21,864 INFO L495 AbstractCegarLoop]: Abstraction has 2612 states and 3844 transitions. [2022-07-23 00:20:21,864 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) [2022-07-23 00:20:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3844 transitions. [2022-07-23 00:20:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-23 00:20:21,867 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:20:21,867 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] [2022-07-23 00:20:21,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 00:20:22,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:20:22,087 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:20:22,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:20:22,087 INFO L85 PathProgramCache]: Analyzing trace with hash 622209045, now seen corresponding path program 2 times [2022-07-23 00:20:22,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:20:22,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927701524] [2022-07-23 00:20:22,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 00:20:22,089 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:20:22,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:20:22,095 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) [2022-07-23 00:20:22,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 00:20:24,467 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 00:20:24,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 00:20:24,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 00:20:24,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:20:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-23 00:20:24,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:20:24,753 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:20:24,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927701524] [2022-07-23 00:20:24,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927701524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:20:24,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:20:24,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 00:20:24,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750846556] [2022-07-23 00:20:24,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:20:24,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 00:20:24,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:20:24,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 00:20:24,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 00:20:24,754 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) [2022-07-23 00:20:25,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:20:25,768 INFO L93 Difference]: Finished difference Result 7746 states and 11685 transitions. [2022-07-23 00:20:25,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 00:20:25,770 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 [2022-07-23 00:20:25,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:20:25,850 INFO L225 Difference]: With dead ends: 7746 [2022-07-23 00:20:25,850 INFO L226 Difference]: Without dead ends: 5176 [2022-07-23 00:20:25,886 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 [2022-07-23 00:20:25,889 INFO L413 NwaCegarLoop]: 4704 mSDtfsCounter, 3875 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3875 SdHoareTripleChecker+Valid, 8552 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:20:25,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3875 Valid, 8552 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 00:20:25,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5176 states. [2022-07-23 00:20:26,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5176 to 5173. [2022-07-23 00:20:26,208 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) [2022-07-23 00:20:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5173 states to 5173 states and 7754 transitions. [2022-07-23 00:20:26,270 INFO L78 Accepts]: Start accepts. Automaton has 5173 states and 7754 transitions. Word has length 111 [2022-07-23 00:20:26,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:20:26,272 INFO L495 AbstractCegarLoop]: Abstraction has 5173 states and 7754 transitions. [2022-07-23 00:20:26,272 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) [2022-07-23 00:20:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 5173 states and 7754 transitions. [2022-07-23 00:20:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-23 00:20:26,275 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:20:26,276 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] [2022-07-23 00:20:26,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-23 00:20:26,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:20:26,495 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:20:26,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:20:26,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1563191795, now seen corresponding path program 1 times [2022-07-23 00:20:26,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:20:26,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996949622] [2022-07-23 00:20:26,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:20:26,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:20:26,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:20:26,519 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) [2022-07-23 00:20:26,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 00:20:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:29,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 2175 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 00:20:29,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:20:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-23 00:20:29,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:20:29,645 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:20:29,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996949622] [2022-07-23 00:20:29,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996949622] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:20:29,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:20:29,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 00:20:29,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157855391] [2022-07-23 00:20:29,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:20:29,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 00:20:29,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:20:29,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 00:20:29,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 00:20:29,646 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) [2022-07-23 00:20:30,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:20:30,345 INFO L93 Difference]: Finished difference Result 15431 states and 24195 transitions. [2022-07-23 00:20:30,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 00:20:30,347 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 [2022-07-23 00:20:30,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:20:30,424 INFO L225 Difference]: With dead ends: 15431 [2022-07-23 00:20:30,424 INFO L226 Difference]: Without dead ends: 10300 [2022-07-23 00:20:30,478 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 [2022-07-23 00:20:30,480 INFO L413 NwaCegarLoop]: 4470 mSDtfsCounter, 3879 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-07-23 00:20:30,481 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] [2022-07-23 00:20:30,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10300 states. [2022-07-23 00:20:30,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10300 to 10297. [2022-07-23 00:20:30,821 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) [2022-07-23 00:20:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10297 states to 10297 states and 15966 transitions. [2022-07-23 00:20:30,895 INFO L78 Accepts]: Start accepts. Automaton has 10297 states and 15966 transitions. Word has length 112 [2022-07-23 00:20:30,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:20:30,896 INFO L495 AbstractCegarLoop]: Abstraction has 10297 states and 15966 transitions. [2022-07-23 00:20:30,897 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) [2022-07-23 00:20:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 10297 states and 15966 transitions. [2022-07-23 00:20:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-23 00:20:30,899 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:20:30,900 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] [2022-07-23 00:20:30,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-23 00:20:31,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:20:31,123 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:20:31,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:20:31,124 INFO L85 PathProgramCache]: Analyzing trace with hash -248780579, now seen corresponding path program 1 times [2022-07-23 00:20:31,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:20:31,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145045452] [2022-07-23 00:20:31,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:20:31,126 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:20:31,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:20:31,127 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) [2022-07-23 00:20:31,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 00:20:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:33,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 00:20:33,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:20:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-23 00:20:34,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:20:34,112 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:20:34,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145045452] [2022-07-23 00:20:34,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2145045452] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:20:34,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:20:34,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 00:20:34,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602902446] [2022-07-23 00:20:34,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:20:34,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 00:20:34,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:20:34,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 00:20:34,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 00:20:34,113 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) [2022-07-23 00:20:35,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:20:35,145 INFO L93 Difference]: Finished difference Result 30802 states and 51885 transitions. [2022-07-23 00:20:35,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 00:20:35,147 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 [2022-07-23 00:20:35,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:20:35,309 INFO L225 Difference]: With dead ends: 30802 [2022-07-23 00:20:35,309 INFO L226 Difference]: Without dead ends: 20547 [2022-07-23 00:20:35,385 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 [2022-07-23 00:20:35,386 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 [2022-07-23 00:20:35,386 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] [2022-07-23 00:20:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20547 states. [2022-07-23 00:20:36,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20547 to 20544. [2022-07-23 00:20:36,157 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) [2022-07-23 00:20:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20544 states to 20544 states and 33914 transitions. [2022-07-23 00:20:36,462 INFO L78 Accepts]: Start accepts. Automaton has 20544 states and 33914 transitions. Word has length 113 [2022-07-23 00:20:36,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:20:36,462 INFO L495 AbstractCegarLoop]: Abstraction has 20544 states and 33914 transitions. [2022-07-23 00:20:36,462 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) [2022-07-23 00:20:36,462 INFO L276 IsEmpty]: Start isEmpty. Operand 20544 states and 33914 transitions. [2022-07-23 00:20:36,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-23 00:20:36,464 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:20:36,464 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] [2022-07-23 00:20:36,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 00:20:36,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:20:36,686 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:20:36,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:20:36,686 INFO L85 PathProgramCache]: Analyzing trace with hash -2109345323, now seen corresponding path program 1 times [2022-07-23 00:20:36,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:20:36,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189523924] [2022-07-23 00:20:36,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:20:36,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:20:36,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:20:36,696 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) [2022-07-23 00:20:36,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 00:20:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:39,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 2179 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 00:20:39,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:20:39,369 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-23 00:20:39,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:20:39,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:20:39,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189523924] [2022-07-23 00:20:39,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189523924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:20:39,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:20:39,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 00:20:39,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046543722] [2022-07-23 00:20:39,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:20:39,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 00:20:39,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:20:39,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 00:20:39,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 00:20:39,371 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) [2022-07-23 00:20:42,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:20:42,064 INFO L93 Difference]: Finished difference Result 61536 states and 117766 transitions. [2022-07-23 00:20:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 00:20:42,072 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 [2022-07-23 00:20:42,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:20:43,035 INFO L225 Difference]: With dead ends: 61536 [2022-07-23 00:20:43,048 INFO L226 Difference]: Without dead ends: 41034 [2022-07-23 00:20:43,671 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 [2022-07-23 00:20:43,673 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 [2022-07-23 00:20:43,674 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] [2022-07-23 00:20:43,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41034 states. [2022-07-23 00:20:47,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41034 to 41031. [2022-07-23 00:20:47,238 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) [2022-07-23 00:20:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41031 states to 41031 states and 75803 transitions. [2022-07-23 00:20:48,520 INFO L78 Accepts]: Start accepts. Automaton has 41031 states and 75803 transitions. Word has length 114 [2022-07-23 00:20:48,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:20:48,520 INFO L495 AbstractCegarLoop]: Abstraction has 41031 states and 75803 transitions. [2022-07-23 00:20:48,521 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) [2022-07-23 00:20:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 41031 states and 75803 transitions. [2022-07-23 00:20:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-23 00:20:48,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:20:48,523 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] [2022-07-23 00:20:48,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 00:20:48,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:20:48,747 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:20:48,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:20:48,748 INFO L85 PathProgramCache]: Analyzing trace with hash 746360456, now seen corresponding path program 1 times [2022-07-23 00:20:48,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:20:48,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229994894] [2022-07-23 00:20:48,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:20:48,750 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:20:48,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:20:48,752 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) [2022-07-23 00:20:48,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 00:20:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:51,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 2253 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 00:20:51,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:20:52,111 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-23 00:20:52,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:20:52,111 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:20:52,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229994894] [2022-07-23 00:20:52,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229994894] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:20:52,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:20:52,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 00:20:52,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789707044] [2022-07-23 00:20:52,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:20:52,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:20:52,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:20:52,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:20:52,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:20:52,112 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) [2022-07-23 00:20:58,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:20:58,108 INFO L93 Difference]: Finished difference Result 123105 states and 291419 transitions. [2022-07-23 00:20:58,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:20:58,108 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 [2022-07-23 00:20:58,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:21:00,223 INFO L225 Difference]: With dead ends: 123105 [2022-07-23 00:21:00,224 INFO L226 Difference]: Without dead ends: 82116 [2022-07-23 00:21:01,713 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 [2022-07-23 00:21:01,715 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, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 00:21:01,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3829 Valid, 18164 Invalid, 41 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 00:21:01,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82116 states. [2022-07-23 00:21:05,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82116 to 81953. [2022-07-23 00:21:05,832 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) [2022-07-23 00:21:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81953 states to 81953 states and 181433 transitions. [2022-07-23 00:21:08,681 INFO L78 Accepts]: Start accepts. Automaton has 81953 states and 181433 transitions. Word has length 118 [2022-07-23 00:21:08,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:21:08,682 INFO L495 AbstractCegarLoop]: Abstraction has 81953 states and 181433 transitions. [2022-07-23 00:21:08,683 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) [2022-07-23 00:21:08,683 INFO L276 IsEmpty]: Start isEmpty. Operand 81953 states and 181433 transitions. [2022-07-23 00:21:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-23 00:21:08,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:21:08,702 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] [2022-07-23 00:21:08,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 00:21:08,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 00:21:08,924 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:21:08,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:21:08,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1428260295, now seen corresponding path program 1 times [2022-07-23 00:21:08,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 00:21:08,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839925345] [2022-07-23 00:21:08,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:21:08,926 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 00:21:08,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 00:21:08,928 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) [2022-07-23 00:21:08,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 00:21:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:11,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 2255 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 00:21:11,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:21:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-23 00:21:12,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:21:12,893 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 00:21:12,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839925345] [2022-07-23 00:21:12,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839925345] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:21:12,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:21:12,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 00:21:12,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7589709] [2022-07-23 00:21:12,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:21:12,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:21:12,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 00:21:12,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:21:12,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:21:12,894 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) [2022-07-23 00:21:34,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:21:34,314 INFO L93 Difference]: Finished difference Result 245903 states and 791893 transitions. [2022-07-23 00:21:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:21:34,314 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 [2022-07-23 00:21:34,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:21:37,038 INFO L225 Difference]: With dead ends: 245903 [2022-07-23 00:21:37,038 INFO L226 Difference]: Without dead ends: 163992 [2022-07-23 00:21:42,460 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 [2022-07-23 00:21:42,461 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 [2022-07-23 00:21:42,461 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] [2022-07-23 00:21:42,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163992 states.