./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 0f8a17c6 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 0.2.1-dev-0f8a17c [2021-11-17 01:53:09,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 01:53:09,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 01:53:09,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 01:53:09,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 01:53:09,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 01:53:09,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 01:53:09,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 01:53:09,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 01:53:09,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 01:53:09,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 01:53:09,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 01:53:09,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 01:53:09,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 01:53:09,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 01:53:09,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 01:53:09,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 01:53:09,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 01:53:09,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 01:53:09,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 01:53:09,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 01:53:09,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 01:53:09,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 01:53:09,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 01:53:09,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 01:53:09,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 01:53:09,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 01:53:09,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 01:53:09,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 01:53:09,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 01:53:09,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 01:53:09,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 01:53:09,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 01:53:09,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 01:53:09,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 01:53:09,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 01:53:09,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 01:53:09,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 01:53:09,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 01:53:09,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 01:53:09,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 01:53:09,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 01:53:09,283 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 01:53:09,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 01:53:09,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 01:53:09,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 01:53:09,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 01:53:09,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 01:53:09,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 01:53:09,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 01:53:09,285 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 01:53:09,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 01:53:09,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 01:53:09,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 01:53:09,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 01:53:09,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 01:53:09,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 01:53:09,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 01:53:09,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 01:53:09,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 01:53:09,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 01:53:09,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 01:53:09,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 01:53:09,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:53:09,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 01:53:09,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 01:53:09,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 01:53:09,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 01:53:09,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 01:53:09,288 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 01:53:09,288 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 01:53:09,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 01:53:09,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 01:53:09,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2021-11-17 01:53:09,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 01:53:09,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 01:53:09,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 01:53:09,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 01:53:09,493 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 01:53:09,494 INFO L432 ainManager$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 [2021-11-17 01:53:09,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6852f9e49/3e866e53341f498eb102c8a5ab6023ee/FLAGc6c405cad [2021-11-17 01:53:10,177 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 01:53:10,179 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 [2021-11-17 01:53:10,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6852f9e49/3e866e53341f498eb102c8a5ab6023ee/FLAGc6c405cad [2021-11-17 01:53:10,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6852f9e49/3e866e53341f498eb102c8a5ab6023ee [2021-11-17 01:53:10,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 01:53:10,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 01:53:10,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 01:53:10,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 01:53:10,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 01:53:10,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:53:10" (1/1) ... [2021-11-17 01:53:10,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b30ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:10, skipping insertion in model container [2021-11-17 01:53:10,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:53:10" (1/1) ... [2021-11-17 01:53:10,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 01:53:10,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 01:53:11,029 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2021-11-17 01:53:11,030 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2021-11-17 01:53:11,031 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2021-11-17 01:53:11,031 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2021-11-17 01:53:11,032 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2021-11-17 01:53:11,032 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2021-11-17 01:53:11,035 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2021-11-17 01:53:11,035 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2021-11-17 01:53:11,035 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2021-11-17 01:53:11,036 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2021-11-17 01:53:11,036 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2021-11-17 01:53:11,036 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2021-11-17 01:53:11,376 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] [2021-11-17 01:53:12,611 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:53:12,640 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 01:53:12,688 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2021-11-17 01:53:12,689 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2021-11-17 01:53:12,689 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2021-11-17 01:53:12,689 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2021-11-17 01:53:12,689 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2021-11-17 01:53:12,689 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2021-11-17 01:53:12,690 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2021-11-17 01:53:12,690 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2021-11-17 01:53:12,690 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2021-11-17 01:53:12,690 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2021-11-17 01:53:12,691 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2021-11-17 01:53:12,691 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2021-11-17 01:53:12,697 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] [2021-11-17 01:53:12,947 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:53:13,006 INFO L208 MainTranslator]: Completed translation [2021-11-17 01:53:13,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13 WrapperNode [2021-11-17 01:53:13,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 01:53:13,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 01:53:13,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 01:53:13,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 01:53:13,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13" (1/1) ... [2021-11-17 01:53:13,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13" (1/1) ... [2021-11-17 01:53:13,283 INFO L137 Inliner]: procedures = 348, calls = 3212, calls flagged for inlining = 148, calls inlined = 148, statements flattened = 6666 [2021-11-17 01:53:13,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 01:53:13,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 01:53:13,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 01:53:13,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 01:53:13,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13" (1/1) ... [2021-11-17 01:53:13,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13" (1/1) ... [2021-11-17 01:53:13,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13" (1/1) ... [2021-11-17 01:53:13,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13" (1/1) ... [2021-11-17 01:53:13,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13" (1/1) ... [2021-11-17 01:53:13,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13" (1/1) ... [2021-11-17 01:53:13,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13" (1/1) ... [2021-11-17 01:53:13,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 01:53:13,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 01:53:13,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 01:53:13,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 01:53:13,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13" (1/1) ... [2021-11-17 01:53:13,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:53:13,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:53:13,684 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) [2021-11-17 01:53:13,736 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 [2021-11-17 01:53:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2021-11-17 01:53:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2021-11-17 01:53:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 01:53:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 01:53:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2021-11-17 01:53:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2021-11-17 01:53:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2021-11-17 01:53:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2021-11-17 01:53:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-11-17 01:53:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-11-17 01:53:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 01:53:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-17 01:53:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-17 01:53:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 01:53:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-17 01:53:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-17 01:53:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2021-11-17 01:53:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2021-11-17 01:53:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 01:53:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 01:53:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2021-11-17 01:53:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2021-11-17 01:53:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2021-11-17 01:53:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2021-11-17 01:53:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 01:53:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 01:53:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2021-11-17 01:53:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2021-11-17 01:53:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 01:53:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 01:53:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2021-11-17 01:53:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2021-11-17 01:53:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2021-11-17 01:53:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2021-11-17 01:53:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2021-11-17 01:53:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2021-11-17 01:53:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2021-11-17 01:53:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2021-11-17 01:53:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2021-11-17 01:53:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2021-11-17 01:53:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2021-11-17 01:53:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2021-11-17 01:53:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2021-11-17 01:53:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2021-11-17 01:53:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2021-11-17 01:53:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2021-11-17 01:53:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2021-11-17 01:53:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2021-11-17 01:53:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2021-11-17 01:53:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2021-11-17 01:53:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 01:53:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 01:53:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 01:53:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 01:53:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2021-11-17 01:53:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2021-11-17 01:53:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2021-11-17 01:53:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2021-11-17 01:53:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 01:53:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 01:53:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 01:53:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 01:53:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-11-17 01:53:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-11-17 01:53:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2021-11-17 01:53:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2021-11-17 01:53:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2021-11-17 01:53:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2021-11-17 01:53:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 01:53:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 01:53:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2021-11-17 01:53:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2021-11-17 01:53:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2021-11-17 01:53:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2021-11-17 01:53:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2021-11-17 01:53:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2021-11-17 01:53:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2021-11-17 01:53:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2021-11-17 01:53:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2021-11-17 01:53:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2021-11-17 01:53:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2021-11-17 01:53:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2021-11-17 01:53:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2021-11-17 01:53:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2021-11-17 01:53:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2021-11-17 01:53:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2021-11-17 01:53:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2021-11-17 01:53:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2021-11-17 01:53:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2021-11-17 01:53:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2021-11-17 01:53:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-11-17 01:53:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-11-17 01:53:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 01:53:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 01:53:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 01:53:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2021-11-17 01:53:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2021-11-17 01:53:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 01:53:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2021-11-17 01:53:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2021-11-17 01:53:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-17 01:53:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-17 01:53:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2021-11-17 01:53:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2021-11-17 01:53:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 01:53:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 01:53:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-11-17 01:53:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-11-17 01:53:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 01:53:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 01:53:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-11-17 01:53:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-11-17 01:53:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-17 01:53:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-17 01:53:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 01:53:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 01:53:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2021-11-17 01:53:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2021-11-17 01:53:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2021-11-17 01:53:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2021-11-17 01:53:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2021-11-17 01:53:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2021-11-17 01:53:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-17 01:53:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-17 01:53:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-17 01:53:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2021-11-17 01:53:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2021-11-17 01:53:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 01:53:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 01:53:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2021-11-17 01:53:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2021-11-17 01:53:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2021-11-17 01:53:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2021-11-17 01:53:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2021-11-17 01:53:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2021-11-17 01:53:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 01:53:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 01:53:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2021-11-17 01:53:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2021-11-17 01:53:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2021-11-17 01:53:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2021-11-17 01:53:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2021-11-17 01:53:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2021-11-17 01:53:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2021-11-17 01:53:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2021-11-17 01:53:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 01:53:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 01:53:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 01:53:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2021-11-17 01:53:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2021-11-17 01:53:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2021-11-17 01:53:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2021-11-17 01:53:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-17 01:53:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-17 01:53:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 01:53:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 01:53:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 01:53:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 01:53:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-11-17 01:53:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-11-17 01:53:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 01:53:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 01:53:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 01:53:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-11-17 01:53:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-11-17 01:53:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-11-17 01:53:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-11-17 01:53:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2021-11-17 01:53:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2021-11-17 01:53:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 01:53:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2021-11-17 01:53:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2021-11-17 01:53:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2021-11-17 01:53:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2021-11-17 01:53:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 01:53:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 01:53:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2021-11-17 01:53:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2021-11-17 01:53:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2021-11-17 01:53:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2021-11-17 01:53:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 01:53:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 01:53:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-11-17 01:53:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-11-17 01:53:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-11-17 01:53:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-11-17 01:53:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2021-11-17 01:53:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2021-11-17 01:53:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2021-11-17 01:53:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2021-11-17 01:53:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2021-11-17 01:53:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2021-11-17 01:53:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2021-11-17 01:53:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2021-11-17 01:53:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-17 01:53:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-17 01:53:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 01:53:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 01:53:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2021-11-17 01:53:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2021-11-17 01:53:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2021-11-17 01:53:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2021-11-17 01:53:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2021-11-17 01:53:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2021-11-17 01:53:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-17 01:53:13,806 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-17 01:53:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 01:53:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2021-11-17 01:53:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2021-11-17 01:53:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2021-11-17 01:53:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2021-11-17 01:53:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 01:53:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 01:53:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2021-11-17 01:53:13,807 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2021-11-17 01:53:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2021-11-17 01:53:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2021-11-17 01:53:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2021-11-17 01:53:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2021-11-17 01:53:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-11-17 01:53:13,808 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-11-17 01:53:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 01:53:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2021-11-17 01:53:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2021-11-17 01:53:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2021-11-17 01:53:13,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2021-11-17 01:53:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-11-17 01:53:13,815 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-11-17 01:53:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 01:53:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 01:53:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 01:53:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2021-11-17 01:53:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2021-11-17 01:53:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2021-11-17 01:53:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2021-11-17 01:53:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 01:53:13,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 01:53:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2021-11-17 01:53:13,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2021-11-17 01:53:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 01:53:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 01:53:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-17 01:53:13,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-17 01:53:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 01:53:13,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 01:53:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-17 01:53:13,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-17 01:53:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2021-11-17 01:53:13,818 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2021-11-17 01:53:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 01:53:13,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 01:53:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-11-17 01:53:13,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-11-17 01:53:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2021-11-17 01:53:13,818 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2021-11-17 01:53:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 01:53:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 01:53:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2021-11-17 01:53:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2021-11-17 01:53:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2021-11-17 01:53:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2021-11-17 01:53:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2021-11-17 01:53:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2021-11-17 01:53:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2021-11-17 01:53:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2021-11-17 01:53:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2021-11-17 01:53:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2021-11-17 01:53:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2021-11-17 01:53:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2021-11-17 01:53:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2021-11-17 01:53:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2021-11-17 01:53:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 01:53:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 01:53:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2021-11-17 01:53:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2021-11-17 01:53:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 01:53:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-17 01:53:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-17 01:53:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-17 01:53:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-17 01:53:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-11-17 01:53:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-11-17 01:53:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2021-11-17 01:53:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2021-11-17 01:53:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 01:53:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 01:53:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-17 01:53:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-17 01:53:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 01:53:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 01:53:14,637 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 01:53:14,648 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 01:53:15,089 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 01:53:21,143 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 01:53:21,176 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 01:53:21,176 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 01:53:21,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:53:21 BoogieIcfgContainer [2021-11-17 01:53:21,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 01:53:21,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 01:53:21,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 01:53:21,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 01:53:21,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:53:10" (1/3) ... [2021-11-17 01:53:21,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2796328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:53:21, skipping insertion in model container [2021-11-17 01:53:21,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:53:13" (2/3) ... [2021-11-17 01:53:21,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2796328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:53:21, skipping insertion in model container [2021-11-17 01:53:21,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:53:21" (3/3) ... [2021-11-17 01:53:21,184 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2021-11-17 01:53:21,192 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 01:53:21,192 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 01:53:21,237 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 01:53:21,247 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 [2021-11-17 01:53:21,250 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 01:53:21,305 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) [2021-11-17 01:53:21,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-17 01:53:21,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:53:21,313 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] [2021-11-17 01:53:21,313 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:53:21,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:53:21,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1611012063, now seen corresponding path program 1 times [2021-11-17 01:53:21,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:53:21,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230271146] [2021-11-17 01:53:21,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:53:21,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:53:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:53:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:53:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:53:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:53:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:53:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:53:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:53:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:53:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:53:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:53:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:53:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:53:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:21,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:53:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:53:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:22,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:53:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-17 01:53:22,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:53:22,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230271146] [2021-11-17 01:53:22,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230271146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:53:22,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:53:22,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 01:53:22,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794501716] [2021-11-17 01:53:22,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:53:22,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:53:22,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:53:22,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:53:22,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:53:22,066 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) [2021-11-17 01:53:24,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:26,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:28,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:53:55,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:53:55,924 INFO L93 Difference]: Finished difference Result 17082 states and 29031 transitions. [2021-11-17 01:53:55,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 01:53:55,926 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 [2021-11-17 01:53:55,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:53:56,036 INFO L225 Difference]: With dead ends: 17082 [2021-11-17 01:53:56,036 INFO L226 Difference]: Without dead ends: 14337 [2021-11-17 01:53:56,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-17 01:53:56,082 INFO L933 BasicCegarLoop]: 6332 mSDtfsCounter, 23466 mSDsluCounter, 14262 mSDsCounter, 0 mSdLazyCounter, 16388 mSolverCounterSat, 14409 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24727 SdHoareTripleChecker+Valid, 20594 SdHoareTripleChecker+Invalid, 30800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14409 IncrementalHoareTripleChecker+Valid, 16388 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2021-11-17 01:53:56,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24727 Valid, 20594 Invalid, 30800 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14409 Valid, 16388 Invalid, 3 Unknown, 0 Unchecked, 32.3s Time] [2021-11-17 01:53:56,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14337 states. [2021-11-17 01:53:56,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14337 to 11662. [2021-11-17 01:53:56,697 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) [2021-11-17 01:53:56,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11662 states to 11662 states and 18306 transitions. [2021-11-17 01:53:56,772 INFO L78 Accepts]: Start accepts. Automaton has 11662 states and 18306 transitions. Word has length 107 [2021-11-17 01:53:56,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:53:56,772 INFO L470 AbstractCegarLoop]: Abstraction has 11662 states and 18306 transitions. [2021-11-17 01:53:56,773 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) [2021-11-17 01:53:56,773 INFO L276 IsEmpty]: Start isEmpty. Operand 11662 states and 18306 transitions. [2021-11-17 01:53:56,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-17 01:53:56,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:53:56,776 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] [2021-11-17 01:53:56,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 01:53:56,776 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:53:56,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:53:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1130693809, now seen corresponding path program 1 times [2021-11-17 01:53:56,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:53:56,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266410348] [2021-11-17 01:53:56,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:53:56,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:53:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:53:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:53:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:53:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:53:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:53:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:53:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:56,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:53:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:53:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:53:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:53:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:53:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:53:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:53:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:53:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:57,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:53:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:53:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-17 01:53:57,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:53:57,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266410348] [2021-11-17 01:53:57,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266410348] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:53:57,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:53:57,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 01:53:57,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547872381] [2021-11-17 01:53:57,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:53:57,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:53:57,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:53:57,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:53:57,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:53:57,084 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) [2021-11-17 01:53:59,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:01,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:03,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:05,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:37,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:54:37,105 INFO L93 Difference]: Finished difference Result 68790 states and 121354 transitions. [2021-11-17 01:54:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 01:54:37,106 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 108 [2021-11-17 01:54:37,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:54:37,697 INFO L225 Difference]: With dead ends: 68790 [2021-11-17 01:54:37,698 INFO L226 Difference]: Without dead ends: 57162 [2021-11-17 01:54:37,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-17 01:54:37,838 INFO L933 BasicCegarLoop]: 6270 mSDtfsCounter, 19283 mSDsluCounter, 17956 mSDsCounter, 0 mSdLazyCounter, 21770 mSolverCounterSat, 10664 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20543 SdHoareTripleChecker+Valid, 24226 SdHoareTripleChecker+Invalid, 32438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10664 IncrementalHoareTripleChecker+Valid, 21770 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2021-11-17 01:54:37,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20543 Valid, 24226 Invalid, 32438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10664 Valid, 21770 Invalid, 4 Unknown, 0 Unchecked, 37.6s Time] [2021-11-17 01:54:37,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57162 states. [2021-11-17 01:54:39,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57162 to 48683. [2021-11-17 01:54:39,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48683 states, 34875 states have (on average 1.4084014336917563) internal successors, (49118), 36161 states have internal predecessors, (49118), 11048 states have call successors, (11048), 2141 states have call predecessors, (11048), 2759 states have return successors, (21519), 10935 states have call predecessors, (21519), 11047 states have call successors, (21519) [2021-11-17 01:54:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48683 states to 48683 states and 81685 transitions. [2021-11-17 01:54:40,377 INFO L78 Accepts]: Start accepts. Automaton has 48683 states and 81685 transitions. Word has length 108 [2021-11-17 01:54:40,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:54:40,377 INFO L470 AbstractCegarLoop]: Abstraction has 48683 states and 81685 transitions. [2021-11-17 01:54:40,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-11-17 01:54:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 48683 states and 81685 transitions. [2021-11-17 01:54:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-17 01:54:40,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:54:40,380 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, 1] [2021-11-17 01:54:40,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 01:54:40,381 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:54:40,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:54:40,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1216630697, now seen corresponding path program 1 times [2021-11-17 01:54:40,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:54:40,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846272026] [2021-11-17 01:54:40,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:54:40,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:54:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:54:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:54:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:54:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:54:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:54:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:54:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:54:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:54:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:54:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:54:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:54:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:54:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:54:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:54:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:54:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:54:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-17 01:54:40,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:54:40,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846272026] [2021-11-17 01:54:40,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846272026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:54:40,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:54:40,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 01:54:40,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142323619] [2021-11-17 01:54:40,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:54:40,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:54:40,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:54:40,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:54:40,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:54:40,825 INFO L87 Difference]: Start difference. First operand 48683 states and 81685 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2021-11-17 01:54:42,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:44,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:47,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:54:49,092 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:21,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:55:21,768 INFO L93 Difference]: Finished difference Result 277075 states and 557595 transitions. [2021-11-17 01:55:21,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 01:55:21,769 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 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 109 [2021-11-17 01:55:21,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:55:24,429 INFO L225 Difference]: With dead ends: 277075 [2021-11-17 01:55:24,430 INFO L226 Difference]: Without dead ends: 228426 [2021-11-17 01:55:25,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-11-17 01:55:25,617 INFO L933 BasicCegarLoop]: 5984 mSDtfsCounter, 22555 mSDsluCounter, 15335 mSDsCounter, 0 mSdLazyCounter, 19136 mSolverCounterSat, 12637 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23818 SdHoareTripleChecker+Valid, 21319 SdHoareTripleChecker+Invalid, 31777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12637 IncrementalHoareTripleChecker+Valid, 19136 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2021-11-17 01:55:25,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23818 Valid, 21319 Invalid, 31777 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12637 Valid, 19136 Invalid, 4 Unknown, 0 Unchecked, 30.6s Time] [2021-11-17 01:55:25,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228426 states. [2021-11-17 01:55:36,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228426 to 198505. [2021-11-17 01:55:36,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198505 states, 142079 states have (on average 1.407329725012141) internal successors, (199952), 147275 states have internal predecessors, (199952), 45068 states have call successors, (45068), 8561 states have call predecessors, (45068), 11357 states have return successors, (129232), 44887 states have call predecessors, (129232), 45067 states have call successors, (129232) [2021-11-17 01:55:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198505 states to 198505 states and 374252 transitions. [2021-11-17 01:55:40,279 INFO L78 Accepts]: Start accepts. Automaton has 198505 states and 374252 transitions. Word has length 109 [2021-11-17 01:55:40,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:55:40,280 INFO L470 AbstractCegarLoop]: Abstraction has 198505 states and 374252 transitions. [2021-11-17 01:55:40,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2021-11-17 01:55:40,281 INFO L276 IsEmpty]: Start isEmpty. Operand 198505 states and 374252 transitions. [2021-11-17 01:55:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-17 01:55:40,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:55:40,282 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, 1, 1] [2021-11-17 01:55:40,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 01:55:40,282 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:55:40,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:55:40,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1311606871, now seen corresponding path program 1 times [2021-11-17 01:55:40,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:55:40,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505600417] [2021-11-17 01:55:40,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:55:40,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:55:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:55:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:55:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:55:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:55:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:55:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:55:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:55:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 01:55:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:55:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:55:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:55:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:55:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:55:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:55:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:55:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:55:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-17 01:55:40,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:55:40,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505600417] [2021-11-17 01:55:40,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505600417] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:55:40,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:55:40,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 01:55:40,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254534666] [2021-11-17 01:55:40,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:55:40,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:55:40,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:55:40,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:55:40,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:55:40,593 INFO L87 Difference]: Start difference. First operand 198505 states and 374252 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-11-17 01:55:42,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:44,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:55:46,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []