./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:53:55,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:53:55,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:53:55,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:53:55,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:53:55,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:53:55,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:53:55,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:53:55,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:53:55,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:53:55,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:53:55,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:53:55,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:53:55,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:53:55,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:53:55,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:53:55,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:53:55,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:53:55,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:53:55,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:53:55,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:53:55,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:53:55,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:53:55,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:53:55,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:53:55,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:53:55,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:53:55,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:53:55,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:53:55,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:53:55,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:53:55,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:53:55,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:53:55,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:53:55,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:53:55,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:53:55,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:53:55,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:53:55,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:53:55,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:53:55,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:53:55,225 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:53:55,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:53:55,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:53:55,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:53:55,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:53:55,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:53:55,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:53:55,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:53:55,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:53:55,250 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:53:55,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:53:55,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:53:55,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:53:55,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:53:55,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:53:55,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:53:55,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:53:55,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:53:55,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:53:55,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:53:55,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:53:55,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:53:55,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:53:55,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:53:55,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:53:55,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:53:55,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:53:55,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:53:55,255 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:53:55,256 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:53:55,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:53:55,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:53:55,256 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2021-12-14 17:53:55,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:53:55,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:53:55,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:53:55,530 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:53:55,530 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:53:55,531 INFO L432 ainManager$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 [2021-12-14 17:53:55,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28fa1db3/630257297d664e68b50aee208e4dd684/FLAGe1a12f93c [2021-12-14 17:53:56,366 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:53:56,367 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 [2021-12-14 17:53:56,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28fa1db3/630257297d664e68b50aee208e4dd684/FLAGe1a12f93c [2021-12-14 17:53:56,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c28fa1db3/630257297d664e68b50aee208e4dd684 [2021-12-14 17:53:56,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:53:56,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:53:56,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:53:56,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:53:56,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:53:56,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:53:56" (1/1) ... [2021-12-14 17:53:56,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51268489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:56, skipping insertion in model container [2021-12-14 17:53:56,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:53:56" (1/1) ... [2021-12-14 17:53:56,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:53:56,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:53:57,186 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2021-12-14 17:53:57,187 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2021-12-14 17:53:57,187 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2021-12-14 17:53:57,187 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2021-12-14 17:53:57,187 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2021-12-14 17:53:57,188 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2021-12-14 17:53:57,189 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2021-12-14 17:53:57,189 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2021-12-14 17:53:57,189 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2021-12-14 17:53:57,190 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2021-12-14 17:53:57,190 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2021-12-14 17:53:57,190 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2021-12-14 17:53:57,564 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] [2021-12-14 17:53:58,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:53:58,945 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:53:59,019 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2021-12-14 17:53:59,019 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2021-12-14 17:53:59,020 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2021-12-14 17:53:59,020 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2021-12-14 17:53:59,021 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2021-12-14 17:53:59,021 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2021-12-14 17:53:59,022 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2021-12-14 17:53:59,022 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2021-12-14 17:53:59,022 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2021-12-14 17:53:59,023 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2021-12-14 17:53:59,023 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2021-12-14 17:53:59,023 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2021-12-14 17:53:59,031 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] [2021-12-14 17:53:59,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:53:59,435 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:53:59,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59 WrapperNode [2021-12-14 17:53:59,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:53:59,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:53:59,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:53:59,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:53:59,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59" (1/1) ... [2021-12-14 17:53:59,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59" (1/1) ... [2021-12-14 17:53:59,763 INFO L137 Inliner]: procedures = 348, calls = 3212, calls flagged for inlining = 148, calls inlined = 148, statements flattened = 6697 [2021-12-14 17:53:59,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:53:59,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:53:59,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:53:59,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:53:59,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59" (1/1) ... [2021-12-14 17:53:59,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59" (1/1) ... [2021-12-14 17:53:59,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59" (1/1) ... [2021-12-14 17:53:59,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59" (1/1) ... [2021-12-14 17:54:00,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59" (1/1) ... [2021-12-14 17:54:00,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59" (1/1) ... [2021-12-14 17:54:00,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59" (1/1) ... [2021-12-14 17:54:00,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:54:00,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:54:00,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:54:00,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:54:00,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59" (1/1) ... [2021-12-14 17:54:00,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:54:00,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:54:00,140 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) [2021-12-14 17:54:00,166 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 [2021-12-14 17:54:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2021-12-14 17:54:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2021-12-14 17:54:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 17:54:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 17:54:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2021-12-14 17:54:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2021-12-14 17:54:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2021-12-14 17:54:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2021-12-14 17:54:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-12-14 17:54:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-12-14 17:54:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:54:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-12-14 17:54:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-12-14 17:54:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:54:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-14 17:54:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-14 17:54:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2021-12-14 17:54:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2021-12-14 17:54:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:54:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:54:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2021-12-14 17:54:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2021-12-14 17:54:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2021-12-14 17:54:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2021-12-14 17:54:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 17:54:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 17:54:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2021-12-14 17:54:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2021-12-14 17:54:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:54:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:54:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2021-12-14 17:54:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2021-12-14 17:54:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2021-12-14 17:54:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2021-12-14 17:54:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2021-12-14 17:54:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2021-12-14 17:54:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2021-12-14 17:54:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2021-12-14 17:54:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2021-12-14 17:54:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2021-12-14 17:54:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2021-12-14 17:54:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2021-12-14 17:54:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2021-12-14 17:54:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2021-12-14 17:54:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2021-12-14 17:54:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2021-12-14 17:54:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2021-12-14 17:54:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2021-12-14 17:54:00,193 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2021-12-14 17:54:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2021-12-14 17:54:00,193 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:54:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:54:00,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:54:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:54:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2021-12-14 17:54:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2021-12-14 17:54:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2021-12-14 17:54:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2021-12-14 17:54:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 17:54:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 17:54:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:54:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:54:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-14 17:54:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-14 17:54:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2021-12-14 17:54:00,196 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2021-12-14 17:54:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2021-12-14 17:54:00,196 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2021-12-14 17:54:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:54:00,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:54:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2021-12-14 17:54:00,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2021-12-14 17:54:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2021-12-14 17:54:00,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2021-12-14 17:54:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2021-12-14 17:54:00,198 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2021-12-14 17:54:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2021-12-14 17:54:00,198 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2021-12-14 17:54:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2021-12-14 17:54:00,198 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2021-12-14 17:54:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2021-12-14 17:54:00,198 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2021-12-14 17:54:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2021-12-14 17:54:00,199 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2021-12-14 17:54:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2021-12-14 17:54:00,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2021-12-14 17:54:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2021-12-14 17:54:00,199 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2021-12-14 17:54:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2021-12-14 17:54:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2021-12-14 17:54:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-14 17:54:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-14 17:54:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:54:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:54:00,202 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:54:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2021-12-14 17:54:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2021-12-14 17:54:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:54:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2021-12-14 17:54:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2021-12-14 17:54:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-14 17:54:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-14 17:54:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2021-12-14 17:54:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2021-12-14 17:54:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 17:54:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 17:54:00,211 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-12-14 17:54:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-12-14 17:54:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:54:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:54:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-14 17:54:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-14 17:54:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-14 17:54:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-14 17:54:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:54:00,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:54:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2021-12-14 17:54:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2021-12-14 17:54:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2021-12-14 17:54:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2021-12-14 17:54:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2021-12-14 17:54:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2021-12-14 17:54:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-14 17:54:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 17:54:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 17:54:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2021-12-14 17:54:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2021-12-14 17:54:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 17:54:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 17:54:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2021-12-14 17:54:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2021-12-14 17:54:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2021-12-14 17:54:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2021-12-14 17:54:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2021-12-14 17:54:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2021-12-14 17:54:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:54:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:54:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2021-12-14 17:54:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2021-12-14 17:54:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2021-12-14 17:54:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2021-12-14 17:54:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2021-12-14 17:54:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2021-12-14 17:54:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2021-12-14 17:54:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2021-12-14 17:54:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:54:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:54:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:54:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2021-12-14 17:54:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2021-12-14 17:54:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2021-12-14 17:54:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2021-12-14 17:54:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-14 17:54:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-14 17:54:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-14 17:54:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-14 17:54:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-14 17:54:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-14 17:54:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-12-14 17:54:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-12-14 17:54:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 17:54:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 17:54:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:54:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-12-14 17:54:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-12-14 17:54:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-14 17:54:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-14 17:54:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2021-12-14 17:54:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2021-12-14 17:54:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:54:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2021-12-14 17:54:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2021-12-14 17:54:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2021-12-14 17:54:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2021-12-14 17:54:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 17:54:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 17:54:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2021-12-14 17:54:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2021-12-14 17:54:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2021-12-14 17:54:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2021-12-14 17:54:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:54:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:54:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-12-14 17:54:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-12-14 17:54:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-14 17:54:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-14 17:54:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2021-12-14 17:54:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2021-12-14 17:54:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2021-12-14 17:54:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2021-12-14 17:54:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2021-12-14 17:54:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2021-12-14 17:54:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2021-12-14 17:54:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2021-12-14 17:54:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-14 17:54:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-14 17:54:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:54:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:54:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2021-12-14 17:54:00,223 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2021-12-14 17:54:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2021-12-14 17:54:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2021-12-14 17:54:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2021-12-14 17:54:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2021-12-14 17:54:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 17:54:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 17:54:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:54:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2021-12-14 17:54:00,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2021-12-14 17:54:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2021-12-14 17:54:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2021-12-14 17:54:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:54:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:54:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2021-12-14 17:54:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2021-12-14 17:54:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2021-12-14 17:54:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2021-12-14 17:54:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2021-12-14 17:54:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2021-12-14 17:54:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-14 17:54:00,226 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-14 17:54:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:54:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2021-12-14 17:54:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2021-12-14 17:54:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2021-12-14 17:54:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2021-12-14 17:54:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-14 17:54:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-14 17:54:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:54:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 17:54:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 17:54:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2021-12-14 17:54:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2021-12-14 17:54:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2021-12-14 17:54:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2021-12-14 17:54:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 17:54:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 17:54:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2021-12-14 17:54:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2021-12-14 17:54:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:54:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:54:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 17:54:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 17:54:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:54:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:54:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-14 17:54:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-14 17:54:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2021-12-14 17:54:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2021-12-14 17:54:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:54:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:54:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-12-14 17:54:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-12-14 17:54:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2021-12-14 17:54:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2021-12-14 17:54:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 17:54:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 17:54:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2021-12-14 17:54:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2021-12-14 17:54:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2021-12-14 17:54:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2021-12-14 17:54:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2021-12-14 17:54:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2021-12-14 17:54:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2021-12-14 17:54:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2021-12-14 17:54:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2021-12-14 17:54:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2021-12-14 17:54:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2021-12-14 17:54:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2021-12-14 17:54:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2021-12-14 17:54:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2021-12-14 17:54:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:54:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:54:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2021-12-14 17:54:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2021-12-14 17:54:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:54:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-14 17:54:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-14 17:54:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-14 17:54:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-14 17:54:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-14 17:54:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-14 17:54:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2021-12-14 17:54:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2021-12-14 17:54:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:54:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:54:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-14 17:54:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-14 17:54:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 17:54:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 17:54:01,159 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:54:01,162 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:54:01,879 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:54:06,525 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:54:06,547 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:54:06,548 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 17:54:06,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:06 BoogieIcfgContainer [2021-12-14 17:54:06,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:54:06,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:54:06,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:54:06,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:54:06,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:53:56" (1/3) ... [2021-12-14 17:54:06,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f973a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:54:06, skipping insertion in model container [2021-12-14 17:54:06,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:53:59" (2/3) ... [2021-12-14 17:54:06,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f973a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:54:06, skipping insertion in model container [2021-12-14 17:54:06,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:06" (3/3) ... [2021-12-14 17:54:06,564 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2021-12-14 17:54:06,570 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:54:06,570 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:54:06,630 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:54:06,640 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:54:06,641 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:54:06,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 2652 states, 1900 states have (on average 1.418421052631579) internal successors, (2695), 1987 states have internal predecessors, (2695), 615 states have call successors, (615), 136 states have call predecessors, (615), 135 states have return successors, (600), 566 states have call predecessors, (600), 600 states have call successors, (600) [2021-12-14 17:54:06,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-14 17:54:06,740 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:54:06,741 INFO L514 BasicCegarLoop]: 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] [2021-12-14 17:54:06,741 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:54:06,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:54:06,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1611012063, now seen corresponding path program 1 times [2021-12-14 17:54:06,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:54:06,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187492363] [2021-12-14 17:54:06,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:54:06,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:54:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:54:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:54:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:54:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:54:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:54:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:54:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:54:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:54:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:54:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:54:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:54:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:54:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:54:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 17:54:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-14 17:54:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-14 17:54:07,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:54:07,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187492363] [2021-12-14 17:54:07,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187492363] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:54:07,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:54:07,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 17:54:07,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298974516] [2021-12-14 17:54:07,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:54:07,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 17:54:07,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:54:07,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 17:54:07,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:54:07,892 INFO L87 Difference]: Start difference. First operand has 2652 states, 1900 states have (on average 1.418421052631579) internal successors, (2695), 1987 states have internal predecessors, (2695), 615 states have call successors, (615), 136 states have call predecessors, (615), 135 states have return successors, (600), 566 states have call predecessors, (600), 600 states have call successors, (600) Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-14 17:54:43,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:54:43,744 INFO L93 Difference]: Finished difference Result 17082 states and 29031 transitions. [2021-12-14 17:54:43,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-14 17:54:43,746 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 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 107 [2021-12-14 17:54:43,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:54:43,889 INFO L225 Difference]: With dead ends: 17082 [2021-12-14 17:54:43,889 INFO L226 Difference]: Without dead ends: 14337 [2021-12-14 17:54:43,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-12-14 17:54:43,952 INFO L933 BasicCegarLoop]: 6395 mSDtfsCounter, 23385 mSDsluCounter, 14321 mSDsCounter, 0 mSdLazyCounter, 16421 mSolverCounterSat, 14365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24649 SdHoareTripleChecker+Valid, 20716 SdHoareTripleChecker+Invalid, 30786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14365 IncrementalHoareTripleChecker+Valid, 16421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:54:43,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24649 Valid, 20716 Invalid, 30786 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14365 Valid, 16421 Invalid, 0 Unknown, 0 Unchecked, 34.0s Time] [2021-12-14 17:54:43,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14337 states. [2021-12-14 17:54:44,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14337 to 11662. [2021-12-14 17:54:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11662 states, 8371 states have (on average 1.4095090192330666) internal successors, (11799), 8681 states have internal predecessors, (11799), 2645 states have call successors, (2645), 536 states have call predecessors, (2645), 645 states have return successors, (3862), 2583 states have call predecessors, (3862), 2644 states have call successors, (3862) [2021-12-14 17:54:44,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11662 states to 11662 states and 18306 transitions. [2021-12-14 17:54:44,854 INFO L78 Accepts]: Start accepts. Automaton has 11662 states and 18306 transitions. Word has length 107 [2021-12-14 17:54:44,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:54:44,855 INFO L470 AbstractCegarLoop]: Abstraction has 11662 states and 18306 transitions. [2021-12-14 17:54:44,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-14 17:54:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 11662 states and 18306 transitions. [2021-12-14 17:54:44,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-14 17:54:44,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:54:44,859 INFO L514 BasicCegarLoop]: 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] [2021-12-14 17:54:44,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:54:44,860 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:54:44,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:54:44,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1130693809, now seen corresponding path program 1 times [2021-12-14 17:54:44,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:54:44,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022870485] [2021-12-14 17:54:44,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:54:44,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:54:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:54:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:54:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:54:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:54:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:54:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:54:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:54:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:54:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:54:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:54:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:54:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 17:54:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:54:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 17:54:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-14 17:54:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:54:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-14 17:54:45,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:54:45,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022870485] [2021-12-14 17:54:45,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022870485] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:54:45,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:54:45,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 17:54:45,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365508296] [2021-12-14 17:54:45,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:54:45,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 17:54:45,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:54:45,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 17:54:45,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:54:45,274 INFO L87 Difference]: Start difference. First operand 11662 states and 18306 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)