./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 35987657 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-?-3598765 [2022-07-21 11:35:34,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:35:34,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:35:34,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:35:34,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:35:34,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:35:34,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:35:34,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:35:34,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:35:34,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:35:34,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:35:34,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:35:34,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:35:34,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:35:34,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:35:34,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:35:34,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:35:34,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:35:34,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:35:34,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:35:34,620 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:35:34,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:35:34,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:35:34,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:35:34,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:35:34,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:35:34,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:35:34,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:35:34,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:35:34,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:35:34,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:35:34,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:35:34,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:35:34,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:35:34,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:35:34,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:35:34,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:35:34,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:35:34,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:35:34,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:35:34,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:35:34,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:35:34,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:35:34,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:35:34,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:35:34,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:35:34,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:35:34,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:35:34,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:35:34,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:35:34,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:35:34,695 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:35:34,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:35:34,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:35:34,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:35:34,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:35:34,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:35:34,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:35:34,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:35:34,697 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:35:34,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:35:34,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:35:34,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:35:34,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:35:34,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:35:34,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:35:34,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:35:34,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:35:34,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:35:34,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:35:34,700 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:35:34,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:35:34,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:35:34,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-07-21 11:35:35,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:35:35,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:35:35,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:35:35,056 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:35:35,058 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:35:35,059 INFO L432 ainManager$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 [2022-07-21 11:35:35,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30368a252/95922e8cdaed47099760b59abf668c86/FLAGc32c3f05e [2022-07-21 11:35:35,909 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:35:35,909 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 [2022-07-21 11:35:35,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30368a252/95922e8cdaed47099760b59abf668c86/FLAGc32c3f05e [2022-07-21 11:35:36,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30368a252/95922e8cdaed47099760b59abf668c86 [2022-07-21 11:35:36,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:35:36,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:35:36,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:35:36,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:35:36,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:35:36,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:35:36" (1/1) ... [2022-07-21 11:35:36,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b979bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:36, skipping insertion in model container [2022-07-21 11:35:36,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:35:36" (1/1) ... [2022-07-21 11:35:36,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:35:36,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:35:36,689 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] [2022-07-21 11:35:36,690 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] [2022-07-21 11:35:36,690 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] [2022-07-21 11:35:36,691 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-21 11:35:36,691 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-21 11:35:36,691 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-21 11:35:36,692 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] [2022-07-21 11:35:36,693 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] [2022-07-21 11:35:36,693 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] [2022-07-21 11:35:36,694 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-21 11:35:36,694 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-21 11:35:36,694 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-21 11:35:37,188 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] [2022-07-21 11:35:38,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:35:38,693 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:35:38,807 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] [2022-07-21 11:35:38,808 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] [2022-07-21 11:35:38,808 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] [2022-07-21 11:35:38,808 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-21 11:35:38,809 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-21 11:35:38,809 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-21 11:35:38,809 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] [2022-07-21 11:35:38,810 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] [2022-07-21 11:35:38,810 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] [2022-07-21 11:35:38,810 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-21 11:35:38,811 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-21 11:35:38,811 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-21 11:35:38,820 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] [2022-07-21 11:35:38,987 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) [2022-07-21 11:35:38,994 INFO L158 Benchmark]: Toolchain (without parser) took 2897.85ms. Allocated memory was 52.4MB in the beginning and 182.5MB in the end (delta: 130.0MB). Free memory was 28.9MB in the beginning and 131.8MB in the end (delta: -102.9MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2022-07-21 11:35:38,995 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 52.4MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:35:38,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2895.14ms. Allocated memory was 52.4MB in the beginning and 182.5MB in the end (delta: 130.0MB). Free memory was 28.6MB in the beginning and 131.8MB in the end (delta: -103.2MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2022-07-21 11:35:38,999 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 52.4MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2895.14ms. Allocated memory was 52.4MB in the beginning and 182.5MB in the end (delta: 130.0MB). Free memory was 28.6MB in the beginning and 131.8MB in the end (delta: -103.2MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: base_addr = base_addr & 65534UL [5942] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: base_addr = base_addr & 65534UL [5942]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:35:40,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:35:40,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:35:40,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:35:40,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:35:40,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:35:40,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:35:40,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:35:40,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:35:40,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:35:40,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:35:40,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:35:40,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:35:40,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:35:40,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:35:40,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:35:40,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:35:40,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:35:40,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:35:40,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:35:40,997 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:35:40,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:35:41,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:35:41,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:35:41,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:35:41,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:35:41,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:35:41,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:35:41,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:35:41,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:35:41,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:35:41,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:35:41,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:35:41,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:35:41,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:35:41,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:35:41,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:35:41,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:35:41,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:35:41,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:35:41,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:35:41,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:35:41,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:35:41,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:35:41,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:35:41,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:35:41,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:35:41,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:35:41,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:35:41,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:35:41,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:35:41,071 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:35:41,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:35:41,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:35:41,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:35:41,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:35:41,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:35:41,073 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:35:41,073 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:35:41,073 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:35:41,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:35:41,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:35:41,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:35:41,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:35:41,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:35:41,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:35:41,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:35:41,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:35:41,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:35:41,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:35:41,075 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:35:41,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:35:41,076 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:35:41,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:35:41,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:35:41,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:35:41,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-07-21 11:35:41,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:35:41,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:35:41,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:35:41,415 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:35:41,416 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:35:41,418 INFO L432 ainManager$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 [2022-07-21 11:35:41,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9abe6a675/d3b809a71acb47c980953f186558a98f/FLAG07da9a898 [2022-07-21 11:35:42,378 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:35:42,379 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 [2022-07-21 11:35:42,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9abe6a675/d3b809a71acb47c980953f186558a98f/FLAG07da9a898 [2022-07-21 11:35:42,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9abe6a675/d3b809a71acb47c980953f186558a98f [2022-07-21 11:35:42,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:35:42,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:35:42,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:35:42,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:35:42,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:35:42,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:35:42" (1/1) ... [2022-07-21 11:35:42,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a61c702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:42, skipping insertion in model container [2022-07-21 11:35:42,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:35:42" (1/1) ... [2022-07-21 11:35:42,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:35:42,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:35:43,052 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] [2022-07-21 11:35:43,055 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] [2022-07-21 11:35:43,055 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] [2022-07-21 11:35:43,057 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-21 11:35:43,057 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-21 11:35:43,058 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-21 11:35:43,059 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] [2022-07-21 11:35:43,060 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] [2022-07-21 11:35:43,061 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] [2022-07-21 11:35:43,061 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-21 11:35:43,061 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-21 11:35:43,062 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-21 11:35:43,366 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] [2022-07-21 11:35:44,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:35:44,928 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:35:44,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:35:45,052 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] [2022-07-21 11:35:45,052 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] [2022-07-21 11:35:45,053 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] [2022-07-21 11:35:45,053 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-21 11:35:45,054 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-21 11:35:45,054 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-21 11:35:45,055 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] [2022-07-21 11:35:45,055 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] [2022-07-21 11:35:45,055 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] [2022-07-21 11:35:45,055 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-21 11:35:45,056 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-21 11:35:45,056 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-21 11:35:45,064 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] [2022-07-21 11:35:45,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:35:45,486 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:35:45,559 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] [2022-07-21 11:35:45,559 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] [2022-07-21 11:35:45,559 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] [2022-07-21 11:35:45,560 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-21 11:35:45,560 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-21 11:35:45,560 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-21 11:35:45,561 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] [2022-07-21 11:35:45,561 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] [2022-07-21 11:35:45,561 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] [2022-07-21 11:35:45,561 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-21 11:35:45,562 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-21 11:35:45,562 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-21 11:35:45,568 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] [2022-07-21 11:35:45,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:35:45,989 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:35:45,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45 WrapperNode [2022-07-21 11:35:45,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:35:45,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:35:45,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:35:45,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:35:45,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45" (1/1) ... [2022-07-21 11:35:46,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45" (1/1) ... [2022-07-21 11:35:46,294 INFO L137 Inliner]: procedures = 359, calls = 3210, calls flagged for inlining = 153, calls inlined = 153, statements flattened = 6864 [2022-07-21 11:35:46,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:35:46,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:35:46,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:35:46,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:35:46,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45" (1/1) ... [2022-07-21 11:35:46,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45" (1/1) ... [2022-07-21 11:35:46,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45" (1/1) ... [2022-07-21 11:35:46,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45" (1/1) ... [2022-07-21 11:35:46,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45" (1/1) ... [2022-07-21 11:35:46,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45" (1/1) ... [2022-07-21 11:35:46,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45" (1/1) ... [2022-07-21 11:35:46,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:35:46,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:35:46,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:35:46,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:35:46,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45" (1/1) ... [2022-07-21 11:35:46,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:35:46,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:35:46,801 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) [2022-07-21 11:35:46,847 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 [2022-07-21 11:35:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-07-21 11:35:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-07-21 11:35:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 11:35:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 11:35:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-21 11:35:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-21 11:35:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-07-21 11:35:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-07-21 11:35:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-07-21 11:35:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-07-21 11:35:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:35:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 11:35:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-21 11:35:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-21 11:35:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 11:35:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:35:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-07-21 11:35:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-07-21 11:35:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:35:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-21 11:35:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-21 11:35:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-07-21 11:35:46,881 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-07-21 11:35:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:35:46,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:35:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-07-21 11:35:46,881 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-07-21 11:35:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-07-21 11:35:46,882 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-07-21 11:35:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 11:35:46,882 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 11:35:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-07-21 11:35:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-07-21 11:35:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:35:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:35:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-07-21 11:35:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-07-21 11:35:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-07-21 11:35:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-07-21 11:35:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-07-21 11:35:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-07-21 11:35:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-07-21 11:35:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-07-21 11:35:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-07-21 11:35:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-07-21 11:35:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-07-21 11:35:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-07-21 11:35:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-07-21 11:35:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-07-21 11:35:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-07-21 11:35:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-07-21 11:35:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-07-21 11:35:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-07-21 11:35:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-07-21 11:35:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-07-21 11:35:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:35:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:35:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:35:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:35:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-07-21 11:35:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-07-21 11:35:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-07-21 11:35:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-07-21 11:35:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 11:35:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 11:35:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:35:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:35:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-21 11:35:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-21 11:35:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-07-21 11:35:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-07-21 11:35:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-07-21 11:35:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-07-21 11:35:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:35:46,894 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:35:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-07-21 11:35:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-07-21 11:35:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-07-21 11:35:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-07-21 11:35:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-07-21 11:35:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-07-21 11:35:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-07-21 11:35:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-07-21 11:35:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-07-21 11:35:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-07-21 11:35:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-07-21 11:35:46,906 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-07-21 11:35:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-07-21 11:35:46,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-07-21 11:35:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-07-21 11:35:46,907 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-07-21 11:35:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-21 11:35:46,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-21 11:35:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:35:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 11:35:46,908 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 11:35:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-07-21 11:35:46,908 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-07-21 11:35:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:35:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-07-21 11:35:46,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-07-21 11:35:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-07-21 11:35:46,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-07-21 11:35:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 11:35:46,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 11:35:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-07-21 11:35:46,909 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-07-21 11:35:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 11:35:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 11:35:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-21 11:35:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-21 11:35:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 11:35:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 11:35:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-21 11:35:46,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-21 11:35:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-21 11:35:46,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-21 11:35:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:35:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 11:35:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:35:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-07-21 11:35:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-07-21 11:35:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:35:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:35:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-07-21 11:35:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-07-21 11:35:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-07-21 11:35:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-07-21 11:35:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 11:35:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-21 11:35:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 11:35:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 11:35:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-07-21 11:35:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-07-21 11:35:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:35:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:35:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-07-21 11:35:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-07-21 11:35:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-21 11:35:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-21 11:35:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-07-21 11:35:46,916 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-07-21 11:35:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 11:35:46,916 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 11:35:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-07-21 11:35:46,916 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-07-21 11:35:46,916 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-07-21 11:35:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-07-21 11:35:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-07-21 11:35:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-07-21 11:35:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-07-21 11:35:46,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-07-21 11:35:46,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:35:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:35:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-07-21 11:35:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-07-21 11:35:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-07-21 11:35:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-07-21 11:35:46,918 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-21 11:35:46,918 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-21 11:35:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-21 11:35:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-21 11:35:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-07-21 11:35:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-07-21 11:35:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 11:35:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 11:35:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-07-21 11:35:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-07-21 11:35:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-21 11:35:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-21 11:35:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-07-21 11:35:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-07-21 11:35:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-07-21 11:35:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-07-21 11:35:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 11:35:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 11:35:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-07-21 11:35:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-07-21 11:35:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-07-21 11:35:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-07-21 11:35:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:35:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:35:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 11:35:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 11:35:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-21 11:35:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-21 11:35:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-21 11:35:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-21 11:35:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-07-21 11:35:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-07-21 11:35:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-07-21 11:35:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-07-21 11:35:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-07-21 11:35:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-07-21 11:35:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-07-21 11:35:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-07-21 11:35:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-21 11:35:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-21 11:35:46,924 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:35:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:35:46,925 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-07-21 11:35:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-07-21 11:35:46,926 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-07-21 11:35:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-07-21 11:35:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-07-21 11:35:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-07-21 11:35:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 11:35:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 11:35:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-07-21 11:35:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-07-21 11:35:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-07-21 11:35:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-07-21 11:35:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 11:35:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 11:35:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 11:35:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:35:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:35:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-07-21 11:35:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-07-21 11:35:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-07-21 11:35:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-07-21 11:35:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-07-21 11:35:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-07-21 11:35:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-07-21 11:35:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-07-21 11:35:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:35:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-07-21 11:35:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-07-21 11:35:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-07-21 11:35:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-07-21 11:35:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-21 11:35:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-21 11:35:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-21 11:35:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-21 11:35:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:35:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 11:35:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 11:35:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-07-21 11:35:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-07-21 11:35:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-07-21 11:35:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-07-21 11:35:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 11:35:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 11:35:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-07-21 11:35:46,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-07-21 11:35:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:35:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 11:35:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 11:35:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 11:35:46,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 11:35:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:35:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:35:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 11:35:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-21 11:35:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-21 11:35:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-07-21 11:35:46,938 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-07-21 11:35:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-07-21 11:35:46,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-07-21 11:35:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-07-21 11:35:46,939 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-07-21 11:35:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 11:35:46,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 11:35:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-07-21 11:35:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-07-21 11:35:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-07-21 11:35:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-07-21 11:35:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-07-21 11:35:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-07-21 11:35:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-07-21 11:35:46,940 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-07-21 11:35:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-07-21 11:35:46,941 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-07-21 11:35:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 11:35:46,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 11:35:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-21 11:35:46,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-21 11:35:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-07-21 11:35:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-07-21 11:35:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 11:35:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-21 11:35:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-21 11:35:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-21 11:35:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-21 11:35:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-21 11:35:46,942 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-21 11:35:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-07-21 11:35:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-07-21 11:35:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:35:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:35:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 11:35:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 11:35:47,920 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:35:47,939 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:35:56,240 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:36:58,128 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:36:58,152 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:36:58,154 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 11:36:58,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:36:58 BoogieIcfgContainer [2022-07-21 11:36:58,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:36:58,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:36:58,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:36:58,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:36:58,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:35:42" (1/3) ... [2022-07-21 11:36:58,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db3ce92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:36:58, skipping insertion in model container [2022-07-21 11:36:58,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:35:45" (2/3) ... [2022-07-21 11:36:58,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db3ce92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:36:58, skipping insertion in model container [2022-07-21 11:36:58,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:36:58" (3/3) ... [2022-07-21 11:36:58,167 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-07-21 11:36:58,180 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:36:58,180 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:36:58,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:36:58,300 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@2513c397, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5ed620bb [2022-07-21 11:36:58,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:36:58,314 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) [2022-07-21 11:36:58,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-21 11:36:58,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:58,340 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] [2022-07-21 11:36:58,340 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:58,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:58,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1559830805, now seen corresponding path program 1 times [2022-07-21 11:36:58,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:58,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485211261] [2022-07-21 11:36:58,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:58,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:58,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:58,385 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) [2022-07-21 11:36:58,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 11:37:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:01,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 2129 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:37:01,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-21 11:37:01,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:01,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:01,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485211261] [2022-07-21 11:37:01,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485211261] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:01,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:01,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:37:01,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910259716] [2022-07-21 11:37:01,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:01,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:37:01,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:01,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:37:01,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:37:01,673 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) [2022-07-21 11:37:02,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:02,079 INFO L93 Difference]: Finished difference Result 5254 states and 7958 transitions. [2022-07-21 11:37:02,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:37:02,083 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 [2022-07-21 11:37:02,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:02,125 INFO L225 Difference]: With dead ends: 5254 [2022-07-21 11:37:02,126 INFO L226 Difference]: Without dead ends: 2603 [2022-07-21 11:37:02,160 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 [2022-07-21 11:37:02,163 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 [2022-07-21 11:37:02,164 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] [2022-07-21 11:37:02,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2022-07-21 11:37:02,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2603. [2022-07-21 11:37:02,373 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) [2022-07-21 11:37:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3833 transitions. [2022-07-21 11:37:02,399 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3833 transitions. Word has length 107 [2022-07-21 11:37:02,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:02,401 INFO L495 AbstractCegarLoop]: Abstraction has 2603 states and 3833 transitions. [2022-07-21 11:37:02,401 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) [2022-07-21 11:37:02,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3833 transitions. [2022-07-21 11:37:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-21 11:37:02,406 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:02,406 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] [2022-07-21 11:37:02,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:02,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:02,616 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:02,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:02,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1566551887, now seen corresponding path program 1 times [2022-07-21 11:37:02,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:02,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135187493] [2022-07-21 11:37:02,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:02,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:02,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:02,620 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) [2022-07-21 11:37:02,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 11:37:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:05,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:37:05,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:05,879 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-21 11:37:05,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:37:06,299 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-21 11:37:06,299 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:06,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2135187493] [2022-07-21 11:37:06,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2135187493] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:37:06,300 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:37:06,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-21 11:37:06,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635316249] [2022-07-21 11:37:06,300 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:37:06,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:37:06,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:06,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:37:06,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:37:06,303 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) [2022-07-21 11:37:07,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:07,195 INFO L93 Difference]: Finished difference Result 5185 states and 7721 transitions. [2022-07-21 11:37:07,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:37:07,197 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 [2022-07-21 11:37:07,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:07,217 INFO L225 Difference]: With dead ends: 5185 [2022-07-21 11:37:07,217 INFO L226 Difference]: Without dead ends: 2612 [2022-07-21 11:37:07,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:37:07,237 INFO L413 NwaCegarLoop]: 3826 mSDtfsCounter, 14 mSDsluCounter, 7651 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:37:07,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 11477 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 11:37:07,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2022-07-21 11:37:07,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2612. [2022-07-21 11:37:07,320 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) [2022-07-21 11:37:07,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3844 transitions. [2022-07-21 11:37:07,342 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3844 transitions. Word has length 108 [2022-07-21 11:37:07,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:07,343 INFO L495 AbstractCegarLoop]: Abstraction has 2612 states and 3844 transitions. [2022-07-21 11:37:07,343 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) [2022-07-21 11:37:07,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3844 transitions. [2022-07-21 11:37:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-21 11:37:07,345 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:07,345 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] [2022-07-21 11:37:07,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:07,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:07,563 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:07,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:07,564 INFO L85 PathProgramCache]: Analyzing trace with hash 622209045, now seen corresponding path program 2 times [2022-07-21 11:37:07,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:07,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946236029] [2022-07-21 11:37:07,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:37:07,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:07,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:07,584 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) [2022-07-21 11:37:07,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 11:37:10,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:37:10,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:37:10,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:37:10,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-21 11:37:10,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:10,695 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:10,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946236029] [2022-07-21 11:37:10,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946236029] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:10,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:10,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:37:10,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307955557] [2022-07-21 11:37:10,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:10,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:37:10,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:10,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:37:10,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:37:10,697 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) [2022-07-21 11:37:11,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:11,473 INFO L93 Difference]: Finished difference Result 7746 states and 11685 transitions. [2022-07-21 11:37:11,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:37:11,476 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 [2022-07-21 11:37:11,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:11,512 INFO L225 Difference]: With dead ends: 7746 [2022-07-21 11:37:11,513 INFO L226 Difference]: Without dead ends: 5176 [2022-07-21 11:37:11,532 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 [2022-07-21 11:37:11,533 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:37:11,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3875 Valid, 8552 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 11:37:11,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5176 states. [2022-07-21 11:37:11,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5176 to 5173. [2022-07-21 11:37:11,720 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) [2022-07-21 11:37:11,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5173 states to 5173 states and 7754 transitions. [2022-07-21 11:37:11,761 INFO L78 Accepts]: Start accepts. Automaton has 5173 states and 7754 transitions. Word has length 111 [2022-07-21 11:37:11,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:11,762 INFO L495 AbstractCegarLoop]: Abstraction has 5173 states and 7754 transitions. [2022-07-21 11:37:11,762 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) [2022-07-21 11:37:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 5173 states and 7754 transitions. [2022-07-21 11:37:11,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-21 11:37:11,764 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:11,764 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] [2022-07-21 11:37:11,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:11,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:11,984 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:11,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:11,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1563191795, now seen corresponding path program 1 times [2022-07-21 11:37:11,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:11,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342209330] [2022-07-21 11:37:11,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:11,989 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:11,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:11,990 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) [2022-07-21 11:37:11,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 11:37:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:15,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 2175 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:37:15,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:15,215 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-21 11:37:15,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:15,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:15,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342209330] [2022-07-21 11:37:15,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1342209330] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:15,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:15,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:37:15,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489740439] [2022-07-21 11:37:15,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:15,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:37:15,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:15,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:37:15,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:37:15,217 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) [2022-07-21 11:37:15,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:15,975 INFO L93 Difference]: Finished difference Result 15431 states and 24195 transitions. [2022-07-21 11:37:15,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:37:15,977 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 [2022-07-21 11:37:15,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:16,123 INFO L225 Difference]: With dead ends: 15431 [2022-07-21 11:37:16,123 INFO L226 Difference]: Without dead ends: 10300 [2022-07-21 11:37:16,211 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 [2022-07-21 11:37:16,229 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:37:16,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3879 Valid, 8318 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 11:37:16,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10300 states. [2022-07-21 11:37:16,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10300 to 10297. [2022-07-21 11:37:16,906 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) [2022-07-21 11:37:16,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10297 states to 10297 states and 15966 transitions. [2022-07-21 11:37:16,969 INFO L78 Accepts]: Start accepts. Automaton has 10297 states and 15966 transitions. Word has length 112 [2022-07-21 11:37:16,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:16,970 INFO L495 AbstractCegarLoop]: Abstraction has 10297 states and 15966 transitions. [2022-07-21 11:37:16,971 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) [2022-07-21 11:37:16,971 INFO L276 IsEmpty]: Start isEmpty. Operand 10297 states and 15966 transitions. [2022-07-21 11:37:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-21 11:37:16,973 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:16,973 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] [2022-07-21 11:37:17,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:17,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:17,187 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:17,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:17,188 INFO L85 PathProgramCache]: Analyzing trace with hash -248780579, now seen corresponding path program 1 times [2022-07-21 11:37:17,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:17,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550675820] [2022-07-21 11:37:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:17,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:17,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:17,200 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) [2022-07-21 11:37:17,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 11:37:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:20,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:37:20,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:20,370 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-21 11:37:20,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:20,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:20,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550675820] [2022-07-21 11:37:20,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550675820] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:20,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:20,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:37:20,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752703259] [2022-07-21 11:37:20,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:20,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:37:20,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:20,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:37:20,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:37:20,372 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) [2022-07-21 11:37:21,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:21,763 INFO L93 Difference]: Finished difference Result 30802 states and 51885 transitions. [2022-07-21 11:37:21,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:37:21,765 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 [2022-07-21 11:37:21,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:21,915 INFO L225 Difference]: With dead ends: 30802 [2022-07-21 11:37:21,916 INFO L226 Difference]: Without dead ends: 20547 [2022-07-21 11:37:22,132 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 [2022-07-21 11:37:22,133 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:37:22,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3880 Valid, 8317 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 11:37:22,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20547 states. [2022-07-21 11:37:22,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20547 to 20544. [2022-07-21 11:37:22,774 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) [2022-07-21 11:37:22,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20544 states to 20544 states and 33914 transitions. [2022-07-21 11:37:22,935 INFO L78 Accepts]: Start accepts. Automaton has 20544 states and 33914 transitions. Word has length 113 [2022-07-21 11:37:22,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:22,935 INFO L495 AbstractCegarLoop]: Abstraction has 20544 states and 33914 transitions. [2022-07-21 11:37:22,936 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) [2022-07-21 11:37:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 20544 states and 33914 transitions. [2022-07-21 11:37:22,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-21 11:37:22,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:22,937 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] [2022-07-21 11:37:22,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:23,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:23,144 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:23,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:23,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2109345323, now seen corresponding path program 1 times [2022-07-21 11:37:23,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:23,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959826964] [2022-07-21 11:37:23,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:23,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:23,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:23,148 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) [2022-07-21 11:37:23,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 11:37:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:25,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 2179 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:37:25,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-21 11:37:25,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:25,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:25,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959826964] [2022-07-21 11:37:25,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959826964] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:25,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:25,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:37:25,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323408964] [2022-07-21 11:37:25,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:25,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:37:25,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:25,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:37:25,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:37:25,572 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) [2022-07-21 11:37:27,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:27,225 INFO L93 Difference]: Finished difference Result 61536 states and 117766 transitions. [2022-07-21 11:37:27,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:37:27,225 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 [2022-07-21 11:37:27,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:27,514 INFO L225 Difference]: With dead ends: 61536 [2022-07-21 11:37:27,514 INFO L226 Difference]: Without dead ends: 41034 [2022-07-21 11:37:27,843 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 [2022-07-21 11:37:27,843 INFO L413 NwaCegarLoop]: 4468 mSDtfsCounter, 3881 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-07-21 11:37:27,844 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] [2022-07-21 11:37:27,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41034 states. [2022-07-21 11:37:29,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41034 to 41031. [2022-07-21 11:37:29,281 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) [2022-07-21 11:37:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41031 states to 41031 states and 75803 transitions. [2022-07-21 11:37:29,765 INFO L78 Accepts]: Start accepts. Automaton has 41031 states and 75803 transitions. Word has length 114 [2022-07-21 11:37:29,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:29,766 INFO L495 AbstractCegarLoop]: Abstraction has 41031 states and 75803 transitions. [2022-07-21 11:37:29,766 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) [2022-07-21 11:37:29,766 INFO L276 IsEmpty]: Start isEmpty. Operand 41031 states and 75803 transitions. [2022-07-21 11:37:29,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-21 11:37:29,768 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:29,769 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] [2022-07-21 11:37:29,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:29,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:29,983 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:29,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:29,984 INFO L85 PathProgramCache]: Analyzing trace with hash 746360456, now seen corresponding path program 1 times [2022-07-21 11:37:29,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:29,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249637676] [2022-07-21 11:37:29,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:29,986 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:29,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:29,987 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) [2022-07-21 11:37:29,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 11:37:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:32,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 2253 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:37:32,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-21 11:37:33,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:33,240 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:33,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249637676] [2022-07-21 11:37:33,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1249637676] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:33,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:33,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:37:33,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372770041] [2022-07-21 11:37:33,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:33,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:37:33,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:33,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:37:33,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:37:33,242 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) [2022-07-21 11:37:37,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:37,976 INFO L93 Difference]: Finished difference Result 123105 states and 291419 transitions. [2022-07-21 11:37:37,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:37:37,976 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 [2022-07-21 11:37:37,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:38,765 INFO L225 Difference]: With dead ends: 123105 [2022-07-21 11:37:38,765 INFO L226 Difference]: Without dead ends: 82116 [2022-07-21 11:37:39,748 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 [2022-07-21 11:37:39,749 INFO L413 NwaCegarLoop]: 4777 mSDtfsCounter, 3829 mSDsluCounter, 13387 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3829 SdHoareTripleChecker+Valid, 18164 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:37:39,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3829 Valid, 18164 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 11:37:39,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82116 states. [2022-07-21 11:37:43,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82116 to 81953. [2022-07-21 11:37:43,853 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) [2022-07-21 11:37:45,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81953 states to 81953 states and 181433 transitions. [2022-07-21 11:37:45,632 INFO L78 Accepts]: Start accepts. Automaton has 81953 states and 181433 transitions. Word has length 118 [2022-07-21 11:37:45,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:45,632 INFO L495 AbstractCegarLoop]: Abstraction has 81953 states and 181433 transitions. [2022-07-21 11:37:45,632 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) [2022-07-21 11:37:45,632 INFO L276 IsEmpty]: Start isEmpty. Operand 81953 states and 181433 transitions. [2022-07-21 11:37:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-21 11:37:45,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:45,634 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] [2022-07-21 11:37:45,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:45,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:45,839 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:45,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:45,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1428260295, now seen corresponding path program 1 times [2022-07-21 11:37:45,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:45,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410057185] [2022-07-21 11:37:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:45,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:45,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:45,842 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) [2022-07-21 11:37:45,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 11:37:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:48,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 2255 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:37:48,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-21 11:37:48,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:48,853 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:48,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1410057185] [2022-07-21 11:37:48,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1410057185] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:48,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:48,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:37:48,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539032943] [2022-07-21 11:37:48,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:48,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:37:48,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:48,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:37:48,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:37:48,854 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) [2022-07-21 11:38:06,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:06,092 INFO L93 Difference]: Finished difference Result 245903 states and 791893 transitions. [2022-07-21 11:38:06,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:38:06,093 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 [2022-07-21 11:38:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:08,954 INFO L225 Difference]: With dead ends: 245903 [2022-07-21 11:38:08,954 INFO L226 Difference]: Without dead ends: 163992