./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 f4b24e32 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-?-f4b24e3 [2022-07-14 00:42:46,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:42:46,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:42:46,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:42:46,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:42:46,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:42:46,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:42:46,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:42:46,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:42:46,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:42:46,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:42:46,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:42:46,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:42:46,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:42:46,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:42:46,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:42:46,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:42:46,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:42:46,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:42:46,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:42:46,836 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:42:46,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:42:46,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:42:46,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:42:46,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:42:46,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:42:46,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:42:46,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:42:46,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:42:46,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:42:46,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:42:46,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:42:46,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:42:46,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:42:46,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:42:46,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:42:46,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:42:46,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:42:46,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:42:46,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:42:46,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:42:46,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:42:46,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:42:46,891 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:42:46,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:42:46,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:42:46,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:42:46,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:42:46,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:42:46,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:42:46,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:42:46,894 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:42:46,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:42:46,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:42:46,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:42:46,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:42:46,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:42:46,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:42:46,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:42:46,896 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:42:46,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:42:46,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:42:46,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:42:46,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:42:46,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:42:46,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:42:46,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:42:46,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:42:46,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:42:46,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:42:46,899 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:42:46,899 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:42:46,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:42:46,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-07-14 00:42:47,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:42:47,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:42:47,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:42:47,172 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:42:47,173 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:42:47,174 INFO L432 ainManager$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 [2022-07-14 00:42:47,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1e342888/4e0262fb81ca41938ea86ce6d08a308b/FLAGe0e2aa56f [2022-07-14 00:42:48,024 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:42:48,025 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 [2022-07-14 00:42:48,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1e342888/4e0262fb81ca41938ea86ce6d08a308b/FLAGe0e2aa56f [2022-07-14 00:42:48,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1e342888/4e0262fb81ca41938ea86ce6d08a308b [2022-07-14 00:42:48,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:42:48,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:42:48,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:42:48,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:42:48,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:42:48,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:42:48" (1/1) ... [2022-07-14 00:42:48,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6398bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:48, skipping insertion in model container [2022-07-14 00:42:48,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:42:48" (1/1) ... [2022-07-14 00:42:48,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:42:48,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:42:48,730 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] [2022-07-14 00:42:48,734 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] [2022-07-14 00:42:48,735 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] [2022-07-14 00:42:48,735 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-14 00:42:48,735 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-14 00:42:48,736 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-14 00:42:48,737 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] [2022-07-14 00:42:48,737 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] [2022-07-14 00:42:48,737 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] [2022-07-14 00:42:48,738 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-14 00:42:48,738 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-14 00:42:48,738 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-14 00:42:48,964 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] [2022-07-14 00:42:49,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:42:49,999 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:42:50,068 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] [2022-07-14 00:42:50,069 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] [2022-07-14 00:42:50,069 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] [2022-07-14 00:42:50,069 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-14 00:42:50,070 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-14 00:42:50,070 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-14 00:42:50,071 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] [2022-07-14 00:42:50,071 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] [2022-07-14 00:42:50,071 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] [2022-07-14 00:42:50,072 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-14 00:42:50,072 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-14 00:42:50,072 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-14 00:42:50,079 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] [2022-07-14 00:42:50,228 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) [2022-07-14 00:42:50,234 INFO L158 Benchmark]: Toolchain (without parser) took 2022.00ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 66.7MB in the beginning and 54.8MB in the end (delta: 11.9MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2022-07-14 00:42:50,235 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory was 50.6MB in the beginning and 50.6MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:42:50,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2018.38ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 66.4MB in the beginning and 54.8MB in the end (delta: 11.6MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2022-07-14 00:42:50,239 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory was 50.6MB in the beginning and 50.6MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2018.38ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 66.4MB in the beginning and 54.8MB in the end (delta: 11.6MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: base_addr = base_addr & 65534UL [5942] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: base_addr = base_addr & 65534UL [5942]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:42:51,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:42:51,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:42:52,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:42:52,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:42:52,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:42:52,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:42:52,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:42:52,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:42:52,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:42:52,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:42:52,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:42:52,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:42:52,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:42:52,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:42:52,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:42:52,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:42:52,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:42:52,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:42:52,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:42:52,020 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:42:52,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:42:52,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:42:52,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:42:52,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:42:52,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:42:52,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:42:52,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:42:52,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:42:52,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:42:52,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:42:52,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:42:52,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:42:52,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:42:52,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:42:52,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:42:52,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:42:52,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:42:52,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:42:52,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:42:52,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:42:52,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:42:52,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:42:52,070 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:42:52,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:42:52,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:42:52,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:42:52,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:42:52,071 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:42:52,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:42:52,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:42:52,073 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:42:52,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:42:52,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:42:52,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:42:52,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:42:52,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:42:52,074 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:42:52,074 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:42:52,075 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:42:52,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:42:52,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:42:52,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:42:52,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:42:52,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:42:52,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:42:52,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:42:52,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:42:52,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:42:52,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:42:52,082 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:42:52,082 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:42:52,082 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:42:52,083 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:42:52,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:42:52,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:42:52,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2022-07-14 00:42:52,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:42:52,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:42:52,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:42:52,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:42:52,458 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:42:52,459 INFO L432 ainManager$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 [2022-07-14 00:42:52,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4989ce99c/f6b962487c6b42e48b3802bd337538fa/FLAG411948772 [2022-07-14 00:42:53,232 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:42:53,233 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 [2022-07-14 00:42:53,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4989ce99c/f6b962487c6b42e48b3802bd337538fa/FLAG411948772 [2022-07-14 00:42:53,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4989ce99c/f6b962487c6b42e48b3802bd337538fa [2022-07-14 00:42:53,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:42:53,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:42:53,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:42:53,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:42:53,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:42:53,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:42:53" (1/1) ... [2022-07-14 00:42:53,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754771e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:53, skipping insertion in model container [2022-07-14 00:42:53,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:42:53" (1/1) ... [2022-07-14 00:42:53,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:42:53,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:42:53,920 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] [2022-07-14 00:42:53,921 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] [2022-07-14 00:42:53,921 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] [2022-07-14 00:42:53,921 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-14 00:42:53,922 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-14 00:42:53,922 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-14 00:42:53,923 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] [2022-07-14 00:42:53,923 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] [2022-07-14 00:42:53,923 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] [2022-07-14 00:42:53,924 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-14 00:42:53,924 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-14 00:42:53,924 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-14 00:42:54,187 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] [2022-07-14 00:42:55,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:42:55,399 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:42:55,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:42:55,518 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] [2022-07-14 00:42:55,519 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] [2022-07-14 00:42:55,519 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] [2022-07-14 00:42:55,520 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-14 00:42:55,520 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-14 00:42:55,520 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-14 00:42:55,521 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] [2022-07-14 00:42:55,521 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] [2022-07-14 00:42:55,521 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] [2022-07-14 00:42:55,522 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-14 00:42:55,522 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-14 00:42:55,523 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-14 00:42:55,529 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] [2022-07-14 00:42:55,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:42:55,783 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:42:55,865 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] [2022-07-14 00:42:55,866 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] [2022-07-14 00:42:55,866 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] [2022-07-14 00:42:55,866 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2022-07-14 00:42:55,867 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2022-07-14 00:42:55,867 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2022-07-14 00:42:55,867 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] [2022-07-14 00:42:55,867 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] [2022-07-14 00:42:55,868 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] [2022-07-14 00:42:55,868 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2022-07-14 00:42:55,868 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2022-07-14 00:42:55,869 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2022-07-14 00:42:55,874 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] [2022-07-14 00:42:56,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:42:56,325 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:42:56,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56 WrapperNode [2022-07-14 00:42:56,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:42:56,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:42:56,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:42:56,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:42:56,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56" (1/1) ... [2022-07-14 00:42:56,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56" (1/1) ... [2022-07-14 00:42:56,698 INFO L137 Inliner]: procedures = 359, calls = 3210, calls flagged for inlining = 153, calls inlined = 153, statements flattened = 6864 [2022-07-14 00:42:56,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:42:56,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:42:56,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:42:56,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:42:56,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56" (1/1) ... [2022-07-14 00:42:56,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56" (1/1) ... [2022-07-14 00:42:56,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56" (1/1) ... [2022-07-14 00:42:56,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56" (1/1) ... [2022-07-14 00:42:56,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56" (1/1) ... [2022-07-14 00:42:56,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56" (1/1) ... [2022-07-14 00:42:56,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56" (1/1) ... [2022-07-14 00:42:57,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:42:57,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:42:57,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:42:57,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:42:57,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56" (1/1) ... [2022-07-14 00:42:57,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:42:57,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:42:57,069 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) [2022-07-14 00:42:57,098 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 [2022-07-14 00:42:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-07-14 00:42:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-07-14 00:42:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 00:42:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 00:42:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-14 00:42:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-07-14 00:42:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-07-14 00:42:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-07-14 00:42:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-07-14 00:42:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-07-14 00:42:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 00:42:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:42:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-07-14 00:42:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-07-14 00:42:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:42:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:42:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-07-14 00:42:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-07-14 00:42:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:42:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-14 00:42:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-14 00:42:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-07-14 00:42:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-07-14 00:42:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:42:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:42:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-07-14 00:42:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-07-14 00:42:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-07-14 00:42:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-07-14 00:42:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 00:42:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 00:42:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-07-14 00:42:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-07-14 00:42:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:42:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:42:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-07-14 00:42:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-07-14 00:42:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-07-14 00:42:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-07-14 00:42:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-07-14 00:42:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-07-14 00:42:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-07-14 00:42:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-07-14 00:42:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-07-14 00:42:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-07-14 00:42:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-07-14 00:42:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-07-14 00:42:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-07-14 00:42:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-07-14 00:42:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-07-14 00:42:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-07-14 00:42:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-07-14 00:42:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-07-14 00:42:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-07-14 00:42:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-07-14 00:42:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:42:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:42:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:42:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:42:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-07-14 00:42:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-07-14 00:42:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-07-14 00:42:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-07-14 00:42:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 00:42:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 00:42:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:42:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:42:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-14 00:42:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-14 00:42:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-07-14 00:42:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-07-14 00:42:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-07-14 00:42:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-07-14 00:42:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:42:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:42:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-07-14 00:42:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-07-14 00:42:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-07-14 00:42:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-07-14 00:42:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-07-14 00:42:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-07-14 00:42:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-07-14 00:42:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-07-14 00:42:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-07-14 00:42:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-07-14 00:42:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-07-14 00:42:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-07-14 00:42:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-07-14 00:42:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-07-14 00:42:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-07-14 00:42:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-07-14 00:42:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-14 00:42:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-14 00:42:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:42:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 00:42:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 00:42:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-07-14 00:42:57,140 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-07-14 00:42:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:42:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-07-14 00:42:57,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-07-14 00:42:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-07-14 00:42:57,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-07-14 00:42:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 00:42:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 00:42:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-07-14 00:42:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-07-14 00:42:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:42:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:42:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-14 00:42:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-14 00:42:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 00:42:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 00:42:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-14 00:42:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-07-14 00:42:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-14 00:42:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-14 00:42:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:42:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:42:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:42:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-07-14 00:42:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-07-14 00:42:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:42:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:42:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-07-14 00:42:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-07-14 00:42:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-07-14 00:42:57,144 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-07-14 00:42:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 00:42:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-14 00:42:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 00:42:57,144 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 00:42:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-07-14 00:42:57,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-07-14 00:42:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:42:57,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:42:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-07-14 00:42:57,145 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-07-14 00:42:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-14 00:42:57,145 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-14 00:42:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-07-14 00:42:57,145 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-07-14 00:42:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 00:42:57,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 00:42:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-07-14 00:42:57,146 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-07-14 00:42:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-07-14 00:42:57,146 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-07-14 00:42:57,146 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-07-14 00:42:57,146 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-07-14 00:42:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-07-14 00:42:57,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-07-14 00:42:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:42:57,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:42:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-07-14 00:42:57,147 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-07-14 00:42:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-07-14 00:42:57,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-07-14 00:42:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-14 00:42:57,148 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-14 00:42:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-14 00:42:57,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-14 00:42:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-07-14 00:42:57,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-07-14 00:42:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 00:42:57,148 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 00:42:57,149 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-07-14 00:42:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-07-14 00:42:57,149 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-14 00:42:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-14 00:42:57,149 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-07-14 00:42:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-07-14 00:42:57,149 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-07-14 00:42:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-07-14 00:42:57,150 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 00:42:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 00:42:57,150 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-07-14 00:42:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-07-14 00:42:57,150 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-07-14 00:42:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-07-14 00:42:57,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:42:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:42:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 00:42:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 00:42:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-14 00:42:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-14 00:42:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-14 00:42:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-14 00:42:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-07-14 00:42:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-07-14 00:42:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-07-14 00:42:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-07-14 00:42:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-07-14 00:42:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-07-14 00:42:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-07-14 00:42:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-07-14 00:42:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 00:42:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 00:42:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:42:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:42:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-07-14 00:42:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-07-14 00:42:57,154 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-07-14 00:42:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-07-14 00:42:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-07-14 00:42:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-07-14 00:42:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 00:42:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 00:42:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-07-14 00:42:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-07-14 00:42:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-07-14 00:42:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-07-14 00:42:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 00:42:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 00:42:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 00:42:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:42:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:42:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-07-14 00:42:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-07-14 00:42:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-07-14 00:42:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-07-14 00:42:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-07-14 00:42:57,161 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-07-14 00:42:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-07-14 00:42:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-07-14 00:42:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:42:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-07-14 00:42:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-07-14 00:42:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-07-14 00:42:57,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-07-14 00:42:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-14 00:42:57,163 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-14 00:42:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-14 00:42:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-07-14 00:42:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:42:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 00:42:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 00:42:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-07-14 00:42:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-07-14 00:42:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-07-14 00:42:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-07-14 00:42:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 00:42:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 00:42:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-07-14 00:42:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-07-14 00:42:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:42:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 00:42:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 00:42:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:42:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:42:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:42:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:42:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 00:42:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-14 00:42:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-14 00:42:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-07-14 00:42:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-07-14 00:42:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-07-14 00:42:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-07-14 00:42:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-07-14 00:42:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-07-14 00:42:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 00:42:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 00:42:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-07-14 00:42:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-07-14 00:42:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-07-14 00:42:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-07-14 00:42:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-07-14 00:42:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-07-14 00:42:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-07-14 00:42:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-07-14 00:42:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-07-14 00:42:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-07-14 00:42:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 00:42:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 00:42:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-14 00:42:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-07-14 00:42:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-07-14 00:42:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-07-14 00:42:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 00:42:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-14 00:42:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-14 00:42:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-14 00:42:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-14 00:42:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-14 00:42:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-14 00:42:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-07-14 00:42:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-07-14 00:42:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:42:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:42:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 00:42:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 00:42:58,141 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:42:58,144 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:43:03,812 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:43:58,541 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:43:58,577 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:43:58,577 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 00:43:58,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:43:58 BoogieIcfgContainer [2022-07-14 00:43:58,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:43:58,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:43:58,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:43:58,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:43:58,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:42:53" (1/3) ... [2022-07-14 00:43:58,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d55244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:43:58, skipping insertion in model container [2022-07-14 00:43:58,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:42:56" (2/3) ... [2022-07-14 00:43:58,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d55244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:43:58, skipping insertion in model container [2022-07-14 00:43:58,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:43:58" (3/3) ... [2022-07-14 00:43:58,589 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2022-07-14 00:43:58,618 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:43:58,619 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:43:58,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:43:58,710 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@27bf7402, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@b0023a2 [2022-07-14 00:43:58,710 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:43:58,722 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) [2022-07-14 00:43:58,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-14 00:43:58,734 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:43:58,735 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] [2022-07-14 00:43:58,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:43:58,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:43:58,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1559830805, now seen corresponding path program 1 times [2022-07-14 00:43:58,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:43:58,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067572061] [2022-07-14 00:43:58,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:43:58,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:43:58,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:43:58,763 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) [2022-07-14 00:43:58,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:44:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:01,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 2129 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 00:44:01,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:44:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-14 00:44:01,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:44:01,263 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:44:01,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2067572061] [2022-07-14 00:44:01,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2067572061] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:44:01,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:44:01,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:44:01,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149286608] [2022-07-14 00:44:01,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:44:01,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:44:01,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:44:01,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:44:01,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:44:01,296 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) [2022-07-14 00:44:01,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:44:01,784 INFO L93 Difference]: Finished difference Result 5254 states and 7958 transitions. [2022-07-14 00:44:01,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 00:44:01,787 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 [2022-07-14 00:44:01,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:44:01,811 INFO L225 Difference]: With dead ends: 5254 [2022-07-14 00:44:01,812 INFO L226 Difference]: Without dead ends: 2603 [2022-07-14 00:44:01,829 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 [2022-07-14 00:44:01,832 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 [2022-07-14 00:44:01,833 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] [2022-07-14 00:44:01,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2022-07-14 00:44:01,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2603. [2022-07-14 00:44:01,964 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) [2022-07-14 00:44:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3833 transitions. [2022-07-14 00:44:01,988 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3833 transitions. Word has length 107 [2022-07-14 00:44:01,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:44:01,989 INFO L495 AbstractCegarLoop]: Abstraction has 2603 states and 3833 transitions. [2022-07-14 00:44:01,990 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) [2022-07-14 00:44:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3833 transitions. [2022-07-14 00:44:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-14 00:44:01,993 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:44:01,993 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] [2022-07-14 00:44:02,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:44:02,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:44:02,216 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:44:02,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:44:02,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1566551887, now seen corresponding path program 1 times [2022-07-14 00:44:02,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:44:02,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394009470] [2022-07-14 00:44:02,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:44:02,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:44:02,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:44:02,222 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) [2022-07-14 00:44:02,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:44:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:04,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:44:04,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:44:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-14 00:44:04,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:44:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-14 00:44:05,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:44:05,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394009470] [2022-07-14 00:44:05,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [394009470] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:44:05,107 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:44:05,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-14 00:44:05,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091795916] [2022-07-14 00:44:05,108 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:44:05,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:44:05,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:44:05,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:44:05,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:44:05,111 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) [2022-07-14 00:44:05,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:44:05,991 INFO L93 Difference]: Finished difference Result 5185 states and 7721 transitions. [2022-07-14 00:44:05,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 00:44:05,993 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 [2022-07-14 00:44:05,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:44:06,012 INFO L225 Difference]: With dead ends: 5185 [2022-07-14 00:44:06,013 INFO L226 Difference]: Without dead ends: 2612 [2022-07-14 00:44:06,029 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 [2022-07-14 00:44:06,031 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 [2022-07-14 00:44:06,031 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] [2022-07-14 00:44:06,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2022-07-14 00:44:06,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2612. [2022-07-14 00:44:06,106 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) [2022-07-14 00:44:06,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3844 transitions. [2022-07-14 00:44:06,128 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3844 transitions. Word has length 108 [2022-07-14 00:44:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:44:06,129 INFO L495 AbstractCegarLoop]: Abstraction has 2612 states and 3844 transitions. [2022-07-14 00:44:06,129 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) [2022-07-14 00:44:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3844 transitions. [2022-07-14 00:44:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-14 00:44:06,131 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:44:06,132 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] [2022-07-14 00:44:06,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:44:06,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:44:06,352 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:44:06,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:44:06,352 INFO L85 PathProgramCache]: Analyzing trace with hash 622209045, now seen corresponding path program 2 times [2022-07-14 00:44:06,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:44:06,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176581042] [2022-07-14 00:44:06,355 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:44:06,355 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:44:06,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:44:06,358 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) [2022-07-14 00:44:06,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:44:08,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:44:08,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:44:08,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:44:08,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:44:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-14 00:44:08,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:44:08,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:44:08,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176581042] [2022-07-14 00:44:08,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176581042] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:44:08,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:44:08,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:44:08,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574849106] [2022-07-14 00:44:08,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:44:08,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:44:08,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:44:08,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:44:08,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:44:08,913 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) [2022-07-14 00:44:09,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:44:09,474 INFO L93 Difference]: Finished difference Result 7746 states and 11685 transitions. [2022-07-14 00:44:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:44:09,476 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 [2022-07-14 00:44:09,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:44:09,522 INFO L225 Difference]: With dead ends: 7746 [2022-07-14 00:44:09,522 INFO L226 Difference]: Without dead ends: 5176 [2022-07-14 00:44:09,545 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 [2022-07-14 00:44:09,548 INFO L413 NwaCegarLoop]: 4704 mSDtfsCounter, 3875 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3875 SdHoareTripleChecker+Valid, 8552 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:44:09,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3875 Valid, 8552 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 00:44:09,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5176 states. [2022-07-14 00:44:09,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5176 to 5173. [2022-07-14 00:44:09,734 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) [2022-07-14 00:44:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5173 states to 5173 states and 7754 transitions. [2022-07-14 00:44:09,777 INFO L78 Accepts]: Start accepts. Automaton has 5173 states and 7754 transitions. Word has length 111 [2022-07-14 00:44:09,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:44:09,779 INFO L495 AbstractCegarLoop]: Abstraction has 5173 states and 7754 transitions. [2022-07-14 00:44:09,781 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) [2022-07-14 00:44:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 5173 states and 7754 transitions. [2022-07-14 00:44:09,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-14 00:44:09,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:44:09,784 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] [2022-07-14 00:44:09,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:44:09,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:44:10,000 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:44:10,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:44:10,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1563191795, now seen corresponding path program 1 times [2022-07-14 00:44:10,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:44:10,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096308166] [2022-07-14 00:44:10,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:44:10,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:44:10,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:44:10,009 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) [2022-07-14 00:44:10,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:44:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:12,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 2175 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:44:12,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:44:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-14 00:44:12,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:44:12,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:44:12,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096308166] [2022-07-14 00:44:12,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096308166] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:44:12,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:44:12,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:44:12,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451414120] [2022-07-14 00:44:12,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:44:12,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:44:12,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:44:12,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:44:12,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:44:12,715 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) [2022-07-14 00:44:13,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:44:13,443 INFO L93 Difference]: Finished difference Result 15431 states and 24195 transitions. [2022-07-14 00:44:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:44:13,446 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 [2022-07-14 00:44:13,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:44:13,540 INFO L225 Difference]: With dead ends: 15431 [2022-07-14 00:44:13,540 INFO L226 Difference]: Without dead ends: 10300 [2022-07-14 00:44:13,603 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 [2022-07-14 00:44:13,605 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 [2022-07-14 00:44:13,606 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] [2022-07-14 00:44:13,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10300 states. [2022-07-14 00:44:14,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10300 to 10297. [2022-07-14 00:44:14,114 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) [2022-07-14 00:44:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10297 states to 10297 states and 15966 transitions. [2022-07-14 00:44:14,205 INFO L78 Accepts]: Start accepts. Automaton has 10297 states and 15966 transitions. Word has length 112 [2022-07-14 00:44:14,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:44:14,207 INFO L495 AbstractCegarLoop]: Abstraction has 10297 states and 15966 transitions. [2022-07-14 00:44:14,207 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) [2022-07-14 00:44:14,207 INFO L276 IsEmpty]: Start isEmpty. Operand 10297 states and 15966 transitions. [2022-07-14 00:44:14,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-14 00:44:14,209 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:44:14,209 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] [2022-07-14 00:44:14,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:44:14,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:44:14,424 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:44:14,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:44:14,425 INFO L85 PathProgramCache]: Analyzing trace with hash -248780579, now seen corresponding path program 1 times [2022-07-14 00:44:14,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:44:14,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389750507] [2022-07-14 00:44:14,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:44:14,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:44:14,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:44:14,429 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) [2022-07-14 00:44:14,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 00:44:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:16,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:44:16,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:44:16,796 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-14 00:44:16,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:44:16,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:44:16,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1389750507] [2022-07-14 00:44:16,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1389750507] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:44:16,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:44:16,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:44:16,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110376649] [2022-07-14 00:44:16,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:44:16,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:44:16,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:44:16,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:44:16,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:44:16,798 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) [2022-07-14 00:44:17,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:44:17,881 INFO L93 Difference]: Finished difference Result 30802 states and 51885 transitions. [2022-07-14 00:44:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:44:17,883 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 [2022-07-14 00:44:17,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:44:18,070 INFO L225 Difference]: With dead ends: 30802 [2022-07-14 00:44:18,071 INFO L226 Difference]: Without dead ends: 20547 [2022-07-14 00:44:18,192 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 [2022-07-14 00:44:18,193 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 [2022-07-14 00:44:18,194 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] [2022-07-14 00:44:18,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20547 states. [2022-07-14 00:44:19,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20547 to 20544. [2022-07-14 00:44:19,189 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) [2022-07-14 00:44:19,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20544 states to 20544 states and 33914 transitions. [2022-07-14 00:44:19,380 INFO L78 Accepts]: Start accepts. Automaton has 20544 states and 33914 transitions. Word has length 113 [2022-07-14 00:44:19,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:44:19,380 INFO L495 AbstractCegarLoop]: Abstraction has 20544 states and 33914 transitions. [2022-07-14 00:44:19,381 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) [2022-07-14 00:44:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 20544 states and 33914 transitions. [2022-07-14 00:44:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-14 00:44:19,383 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:44:19,383 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] [2022-07-14 00:44:19,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 00:44:19,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:44:19,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:44:19,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:44:19,600 INFO L85 PathProgramCache]: Analyzing trace with hash -2109345323, now seen corresponding path program 1 times [2022-07-14 00:44:19,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:44:19,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404965589] [2022-07-14 00:44:19,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:44:19,603 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:44:19,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:44:19,606 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) [2022-07-14 00:44:19,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 00:44:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:21,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 2179 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:44:21,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:44:22,072 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-14 00:44:22,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:44:22,072 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:44:22,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404965589] [2022-07-14 00:44:22,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [404965589] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:44:22,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:44:22,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:44:22,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711955445] [2022-07-14 00:44:22,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:44:22,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:44:22,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:44:22,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:44:22,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:44:22,074 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) [2022-07-14 00:44:23,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:44:23,981 INFO L93 Difference]: Finished difference Result 61536 states and 117766 transitions. [2022-07-14 00:44:23,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:44:23,982 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 [2022-07-14 00:44:23,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:44:24,822 INFO L225 Difference]: With dead ends: 61536 [2022-07-14 00:44:24,822 INFO L226 Difference]: Without dead ends: 41034 [2022-07-14 00:44:25,491 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 [2022-07-14 00:44:25,494 INFO L413 NwaCegarLoop]: 4468 mSDtfsCounter, 3881 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3881 SdHoareTripleChecker+Valid, 8316 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:44:25,495 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] [2022-07-14 00:44:25,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41034 states. [2022-07-14 00:44:27,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41034 to 41031. [2022-07-14 00:44:27,544 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) [2022-07-14 00:44:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41031 states to 41031 states and 75803 transitions. [2022-07-14 00:44:28,397 INFO L78 Accepts]: Start accepts. Automaton has 41031 states and 75803 transitions. Word has length 114 [2022-07-14 00:44:28,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:44:28,397 INFO L495 AbstractCegarLoop]: Abstraction has 41031 states and 75803 transitions. [2022-07-14 00:44:28,398 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) [2022-07-14 00:44:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 41031 states and 75803 transitions. [2022-07-14 00:44:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-14 00:44:28,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:44:28,401 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] [2022-07-14 00:44:28,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 00:44:28,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:44:28,627 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:44:28,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:44:28,628 INFO L85 PathProgramCache]: Analyzing trace with hash 746360456, now seen corresponding path program 1 times [2022-07-14 00:44:28,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:44:28,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603270433] [2022-07-14 00:44:28,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:44:28,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:44:28,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:44:28,631 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) [2022-07-14 00:44:28,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 00:44:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:30,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 2253 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:44:30,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:44:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-14 00:44:31,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:44:31,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:44:31,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603270433] [2022-07-14 00:44:31,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603270433] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:44:31,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:44:31,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:44:31,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337728683] [2022-07-14 00:44:31,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:44:31,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:44:31,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:44:31,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:44:31,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:44:31,715 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) [2022-07-14 00:44:36,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:44:36,311 INFO L93 Difference]: Finished difference Result 123105 states and 291419 transitions. [2022-07-14 00:44:36,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:44:36,312 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 [2022-07-14 00:44:36,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:44:37,657 INFO L225 Difference]: With dead ends: 123105 [2022-07-14 00:44:37,657 INFO L226 Difference]: Without dead ends: 82116 [2022-07-14 00:44:38,818 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 [2022-07-14 00:44:38,819 INFO L413 NwaCegarLoop]: 4777 mSDtfsCounter, 3829 mSDsluCounter, 13387 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3829 SdHoareTripleChecker+Valid, 18164 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:44:38,819 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] [2022-07-14 00:44:38,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82116 states. [2022-07-14 00:44:43,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82116 to 81953. [2022-07-14 00:44:43,821 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) [2022-07-14 00:44:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81953 states to 81953 states and 181433 transitions. [2022-07-14 00:44:46,272 INFO L78 Accepts]: Start accepts. Automaton has 81953 states and 181433 transitions. Word has length 118 [2022-07-14 00:44:46,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:44:46,273 INFO L495 AbstractCegarLoop]: Abstraction has 81953 states and 181433 transitions. [2022-07-14 00:44:46,273 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) [2022-07-14 00:44:46,274 INFO L276 IsEmpty]: Start isEmpty. Operand 81953 states and 181433 transitions. [2022-07-14 00:44:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-14 00:44:46,276 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:44:46,276 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:44:46,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-14 00:44:46,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:44:46,489 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:44:46,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:44:46,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1428260295, now seen corresponding path program 1 times [2022-07-14 00:44:46,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:44:46,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057234292] [2022-07-14 00:44:46,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:44:46,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:44:46,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:44:46,492 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) [2022-07-14 00:44:46,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 00:44:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:44:48,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 2255 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:44:48,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:44:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-14 00:44:49,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:44:49,591 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:44:49,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057234292] [2022-07-14 00:44:49,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057234292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:44:49,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:44:49,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:44:49,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711470266] [2022-07-14 00:44:49,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:44:49,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:44:49,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:44:49,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:44:49,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:44:49,594 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) [2022-07-14 00:45:06,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:45:06,707 INFO L93 Difference]: Finished difference Result 245903 states and 791893 transitions. [2022-07-14 00:45:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:45:06,707 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 [2022-07-14 00:45:06,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:45:09,669 INFO L225 Difference]: With dead ends: 245903 [2022-07-14 00:45:09,670 INFO L226 Difference]: Without dead ends: 163992 [2022-07-14 00:45:14,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:45:14,430 INFO L413 NwaCegarLoop]: 4709 mSDtfsCounter, 3830 mSDsluCounter, 13249 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3830 SdHoareTripleChecker+Valid, 17958 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:45:14,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3830 Valid, 17958 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 00:45:14,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163992 states.