./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.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 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:25:14,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:25:14,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:25:14,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:25:14,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:25:14,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:25:14,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:25:14,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:25:14,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:25:14,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:25:14,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:25:14,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:25:14,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:25:14,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:25:14,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:25:14,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:25:14,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:25:14,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:25:14,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:25:14,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:25:14,418 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:25:14,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:25:14,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:25:14,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:25:14,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:25:14,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:25:14,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:25:14,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:25:14,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:25:14,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:25:14,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:25:14,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:25:14,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:25:14,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:25:14,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:25:14,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:25:14,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:25:14,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:25:14,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:25:14,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:25:14,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:25:14,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:25:14,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:25:14,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:25:14,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:25:14,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:25:14,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:25:14,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:25:14,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:25:14,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:25:14,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:25:14,463 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:25:14,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:25:14,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:25:14,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:25:14,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:25:14,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:25:14,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:25:14,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:25:14,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:25:14,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:25:14,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:25:14,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:25:14,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:25:14,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:25:14,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:25:14,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:25:14,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:25:14,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:25:14,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:25:14,467 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:25:14,467 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:25:14,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:25:14,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe [2022-07-14 00:25:14,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:25:14,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:25:14,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:25:14,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:25:14,717 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:25:14,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2022-07-14 00:25:14,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fb58aaa0/91795c565c634168a1a5fec311dddb80/FLAG82adba08d [2022-07-14 00:25:15,457 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:25:15,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2022-07-14 00:25:15,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fb58aaa0/91795c565c634168a1a5fec311dddb80/FLAG82adba08d [2022-07-14 00:25:15,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fb58aaa0/91795c565c634168a1a5fec311dddb80 [2022-07-14 00:25:15,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:25:15,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:25:15,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:25:15,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:25:15,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:25:15,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:25:15" (1/1) ... [2022-07-14 00:25:15,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ac934b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:15, skipping insertion in model container [2022-07-14 00:25:15,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:25:15" (1/1) ... [2022-07-14 00:25:15,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:25:15,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:25:16,134 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-07-14 00:25:16,135 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2022-07-14 00:25:16,252 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i[110980,110993] [2022-07-14 00:25:17,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:25:17,391 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:25:17,492 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-07-14 00:25:17,494 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2022-07-14 00:25:17,499 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i[110980,110993] [2022-07-14 00:25:17,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:25:17,875 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:25:17,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17 WrapperNode [2022-07-14 00:25:17,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:25:17,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:25:17,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:25:17,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:25:17,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17" (1/1) ... [2022-07-14 00:25:17,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17" (1/1) ... [2022-07-14 00:25:18,199 INFO L137 Inliner]: procedures = 274, calls = 3128, calls flagged for inlining = 114, calls inlined = 96, statements flattened = 6499 [2022-07-14 00:25:18,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:25:18,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:25:18,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:25:18,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:25:18,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17" (1/1) ... [2022-07-14 00:25:18,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17" (1/1) ... [2022-07-14 00:25:18,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17" (1/1) ... [2022-07-14 00:25:18,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17" (1/1) ... [2022-07-14 00:25:18,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17" (1/1) ... [2022-07-14 00:25:18,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17" (1/1) ... [2022-07-14 00:25:18,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17" (1/1) ... [2022-07-14 00:25:18,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:25:18,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:25:18,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:25:18,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:25:18,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17" (1/1) ... [2022-07-14 00:25:18,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:25:18,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:25:18,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 00:25:18,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 00:25:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2022-07-14 00:25:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_link [2022-07-14 00:25:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2022-07-14 00:25:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2022-07-14 00:25:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:25:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:25:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:25:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:25:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling [2022-07-14 00:25:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling [2022-07-14 00:25:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_msr [2022-07-14 00:25:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_msr [2022-07-14 00:25:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-14 00:25:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-14 00:25:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling_info [2022-07-14 00:25:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling_info [2022-07-14 00:25:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 00:25:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 00:25:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_write_bit_register [2022-07-14 00:25:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_write_bit_register [2022-07-14 00:25:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit___0 [2022-07-14 00:25:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit___0 [2022-07-14 00:25:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_disable_device [2022-07-14 00:25:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_disable_device [2022-07-14 00:25:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:25:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:25:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-14 00:25:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next_and [2022-07-14 00:25:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next_and [2022-07-14 00:25:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-14 00:25:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-14 00:25:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_resume [2022-07-14 00:25:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_resume [2022-07-14 00:25:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit [2022-07-14 00:25:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit [2022-07-14 00:25:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:25:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:25:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_resume_and_unlock [2022-07-14 00:25:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_resume_and_unlock [2022-07-14 00:25:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:25:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:25:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-14 00:25:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-14 00:25:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_init [2022-07-14 00:25:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_init [2022-07-14 00:25:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:25:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:25:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:25:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:25:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2022-07-14 00:25:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_link [2022-07-14 00:25:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_copy [2022-07-14 00:25:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_copy [2022-07-14 00:25:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_states [2022-07-14 00:25:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_states [2022-07-14 00:25:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:25:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-14 00:25:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-14 00:25:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure x86_this_cpu_constant_test_bit [2022-07-14 00:25:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure x86_this_cpu_constant_test_bit [2022-07-14 00:25:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-14 00:25:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-14 00:25:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure free_cpumask_var [2022-07-14 00:25:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure free_cpumask_var [2022-07-14 00:25:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:25:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_clear [2022-07-14 00:25:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_clear [2022-07-14 00:25:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_performance_info [2022-07-14 00:25:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_performance_info [2022-07-14 00:25:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_pause_and_lock [2022-07-14 00:25:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_pause_and_lock [2022-07-14 00:25:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure zalloc_cpumask_var [2022-07-14 00:25:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure zalloc_cpumask_var [2022-07-14 00:25:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:25:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:25:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_driver_data [2022-07-14 00:25:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_driver_data [2022-07-14 00:25:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 00:25:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 00:25:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2022-07-14 00:25:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2022-07-14 00:25:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:25:18,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:25:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-14 00:25:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-14 00:25:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure work_on_cpu [2022-07-14 00:25:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure work_on_cpu [2022-07-14 00:25:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-14 00:25:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-14 00:25:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_has_changed [2022-07-14 00:25:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_has_changed [2022-07-14 00:25:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure __acpi_processor_start [2022-07-14 00:25:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __acpi_processor_start [2022-07-14 00:25:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 00:25:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:25:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:25:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_set_cur_state [2022-07-14 00:25:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_set_cur_state [2022-07-14 00:25:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_throttling_notifier [2022-07-14 00:25:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_throttling_notifier [2022-07-14 00:25:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 00:25:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_unregister_notifier [2022-07-14 00:25:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_unregister_notifier [2022-07-14 00:25:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:25:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:25:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:25:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_set_cpu [2022-07-14 00:25:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_set_cpu [2022-07-14 00:25:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_start [2022-07-14 00:25:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_start [2022-07-14 00:25:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_set_throttling [2022-07-14 00:25:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_set_throttling [2022-07-14 00:25:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 00:25:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 00:25:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 00:25:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 00:25:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_max_state [2022-07-14 00:25:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_max_state [2022-07-14 00:25:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:25:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:25:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_update_policy [2022-07-14 00:25:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_update_policy [2022-07-14 00:25:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:25:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_has_method [2022-07-14 00:25:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_has_method [2022-07-14 00:25:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_register_notifier [2022-07-14 00:25:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_register_notifier [2022-07-14 00:25:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:25:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:25:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_read_bit_register [2022-07-14 00:25:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_read_bit_register [2022-07-14 00:25:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_reevaluate_tstate [2022-07-14 00:25:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_reevaluate_tstate [2022-07-14 00:25:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_get_max_state [2022-07-14 00:25:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_get_max_state [2022-07-14 00:25:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure set_cpus_allowed_ptr [2022-07-14 00:25:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cpus_allowed_ptr [2022-07-14 00:25:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure phys_package_first_cpu [2022-07-14 00:25:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_package_first_cpu [2022-07-14 00:25:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:25:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2022-07-14 00:25:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2022-07-14 00:25:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:25:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-14 00:25:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-14 00:25:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_cx [2022-07-14 00:25:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_cx [2022-07-14 00:25:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_ost [2022-07-14 00:25:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_ost [2022-07-14 00:25:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure thermal_cooling_device_unregister [2022-07-14 00:25:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure thermal_cooling_device_unregister [2022-07-14 00:25:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:25:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 00:25:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure disabled_by_idle_boot_param [2022-07-14 00:25:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure disabled_by_idle_boot_param [2022-07-14 00:25:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 00:25:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 00:25:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_verify_within_limits [2022-07-14 00:25:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_verify_within_limits [2022-07-14 00:25:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-07-14 00:25:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-07-14 00:25:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_exit [2022-07-14 00:25:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_exit [2022-07-14 00:25:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_power_info [2022-07-14 00:25:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_power_info [2022-07-14 00:25:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_get_driver [2022-07-14 00:25:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_get_driver [2022-07-14 00:25:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_extract_package [2022-07-14 00:25:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_extract_package [2022-07-14 00:25:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_unregister_driver [2022-07-14 00:25:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_unregister_driver [2022-07-14 00:25:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_stop [2022-07-14 00:25:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_stop [2022-07-14 00:25:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_tstate_has_changed [2022-07-14 00:25:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_tstate_has_changed [2022-07-14 00:25:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_enable_device [2022-07-14 00:25:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_enable_device [2022-07-14 00:25:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 00:25:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 00:25:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_os_write_port [2022-07-14 00:25:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_os_write_port [2022-07-14 00:25:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-14 00:25:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-14 00:25:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_has_cpufreq [2022-07-14 00:25:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_has_cpufreq [2022-07-14 00:25:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:25:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 00:25:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:25:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:25:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 00:25:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 00:25:19,271 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:25:19,276 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:25:19,514 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:27:46,035 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:27:46,053 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:27:46,054 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:27:46,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:27:46 BoogieIcfgContainer [2022-07-14 00:27:46,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:27:46,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:27:46,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:27:46,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:27:46,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:25:15" (1/3) ... [2022-07-14 00:27:46,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cba37d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:27:46, skipping insertion in model container [2022-07-14 00:27:46,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:25:17" (2/3) ... [2022-07-14 00:27:46,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cba37d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:27:46, skipping insertion in model container [2022-07-14 00:27:46,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:27:46" (3/3) ... [2022-07-14 00:27:46,070 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2022-07-14 00:27:46,083 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:27:46,083 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:27:46,160 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:27:46,165 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@37f1da8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@123cd91c [2022-07-14 00:27:46,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:27:46,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 1720 states, 1364 states have (on average 1.4765395894428153) internal successors, (2014), 1381 states have internal predecessors, (2014), 269 states have call successors, (269), 86 states have call predecessors, (269), 85 states have return successors, (261), 261 states have call predecessors, (261), 261 states have call successors, (261) [2022-07-14 00:27:46,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-14 00:27:46,199 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:27:46,200 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:27:46,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:27:46,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:27:46,205 INFO L85 PathProgramCache]: Analyzing trace with hash 310454889, now seen corresponding path program 1 times [2022-07-14 00:27:46,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:27:46,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103905454] [2022-07-14 00:27:46,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:27:46,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:27:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:27:47,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:27:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:27:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:27:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:27:47,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:27:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:27:47,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 00:27:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:27:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-14 00:27:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:27:47,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 00:27:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:27:47,532 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-14 00:27:47,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:27:47,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103905454] [2022-07-14 00:27:47,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103905454] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:27:47,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:27:47,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:27:47,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030933373] [2022-07-14 00:27:47,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:27:47,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:27:47,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:27:47,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:27:47,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:27:47,578 INFO L87 Difference]: Start difference. First operand has 1720 states, 1364 states have (on average 1.4765395894428153) internal successors, (2014), 1381 states have internal predecessors, (2014), 269 states have call successors, (269), 86 states have call predecessors, (269), 85 states have return successors, (261), 261 states have call predecessors, (261), 261 states have call successors, (261) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-14 00:27:49,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:27:56,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:02,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:06,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:08,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:12,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:15,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:17,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:20,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:24,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:28:24,015 INFO L93 Difference]: Finished difference Result 5289 states and 7920 transitions. [2022-07-14 00:28:24,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:28:24,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 71 [2022-07-14 00:28:24,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:28:24,057 INFO L225 Difference]: With dead ends: 5289 [2022-07-14 00:28:24,057 INFO L226 Difference]: Without dead ends: 3491 [2022-07-14 00:28:24,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:28:24,071 INFO L413 NwaCegarLoop]: 2994 mSDtfsCounter, 3112 mSDsluCounter, 4318 mSDsCounter, 0 mSdLazyCounter, 3059 mSolverCounterSat, 663 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3319 SdHoareTripleChecker+Valid, 7312 SdHoareTripleChecker+Invalid, 3731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 663 IncrementalHoareTripleChecker+Valid, 3059 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:28:24,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3319 Valid, 7312 Invalid, 3731 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [663 Valid, 3059 Invalid, 9 Unknown, 0 Unchecked, 35.7s Time] [2022-07-14 00:28:24,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3491 states. [2022-07-14 00:28:24,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3491 to 3328. [2022-07-14 00:28:24,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3328 states, 2649 states have (on average 1.4567761419403549) internal successors, (3859), 2664 states have internal predecessors, (3859), 512 states have call successors, (512), 167 states have call predecessors, (512), 166 states have return successors, (511), 510 states have call predecessors, (511), 511 states have call successors, (511) [2022-07-14 00:28:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 4882 transitions. [2022-07-14 00:28:24,313 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 4882 transitions. Word has length 71 [2022-07-14 00:28:24,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:28:24,314 INFO L495 AbstractCegarLoop]: Abstraction has 3328 states and 4882 transitions. [2022-07-14 00:28:24,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-14 00:28:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 4882 transitions. [2022-07-14 00:28:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-14 00:28:24,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:28:24,328 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:28:24,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:28:24,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:28:24,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:28:24,329 INFO L85 PathProgramCache]: Analyzing trace with hash 428123233, now seen corresponding path program 1 times [2022-07-14 00:28:24,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:28:24,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109135222] [2022-07-14 00:28:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:28:24,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:28:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:24,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:28:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:24,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:28:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:28:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 00:28:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:25,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-14 00:28:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:25,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 00:28:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-14 00:28:25,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:28:25,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109135222] [2022-07-14 00:28:25,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109135222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:28:25,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:28:25,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:28:25,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941935737] [2022-07-14 00:28:25,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:28:25,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:28:25,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:28:25,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:28:25,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:28:25,125 INFO L87 Difference]: Start difference. First operand 3328 states and 4882 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-14 00:28:27,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:31,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:34,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:36,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:44,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:46,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:50,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:52,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:54,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:57,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:28:58,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:28:58,580 INFO L93 Difference]: Finished difference Result 8962 states and 13138 transitions. [2022-07-14 00:28:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:28:58,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 80 [2022-07-14 00:28:58,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:28:58,609 INFO L225 Difference]: With dead ends: 8962 [2022-07-14 00:28:58,609 INFO L226 Difference]: Without dead ends: 5641 [2022-07-14 00:28:58,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:28:58,620 INFO L413 NwaCegarLoop]: 4050 mSDtfsCounter, 3164 mSDsluCounter, 3772 mSDsCounter, 0 mSdLazyCounter, 2055 mSolverCounterSat, 925 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3361 SdHoareTripleChecker+Valid, 7822 SdHoareTripleChecker+Invalid, 2990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 925 IncrementalHoareTripleChecker+Valid, 2055 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:28:58,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3361 Valid, 7822 Invalid, 2990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [925 Valid, 2055 Invalid, 10 Unknown, 0 Unchecked, 32.9s Time] [2022-07-14 00:28:58,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5641 states. [2022-07-14 00:28:58,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5641 to 5373. [2022-07-14 00:28:58,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5373 states, 4270 states have (on average 1.451288056206089) internal successors, (6197), 4293 states have internal predecessors, (6197), 825 states have call successors, (825), 278 states have call predecessors, (825), 277 states have return successors, (824), 823 states have call predecessors, (824), 824 states have call successors, (824) [2022-07-14 00:28:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5373 states to 5373 states and 7846 transitions. [2022-07-14 00:28:58,813 INFO L78 Accepts]: Start accepts. Automaton has 5373 states and 7846 transitions. Word has length 80 [2022-07-14 00:28:58,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:28:58,814 INFO L495 AbstractCegarLoop]: Abstraction has 5373 states and 7846 transitions. [2022-07-14 00:28:58,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-14 00:28:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 5373 states and 7846 transitions. [2022-07-14 00:28:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-14 00:28:58,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:28:58,823 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:28:58,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 00:28:58,823 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:28:58,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:28:58,824 INFO L85 PathProgramCache]: Analyzing trace with hash -19882466, now seen corresponding path program 1 times [2022-07-14 00:28:58,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:28:58,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149295547] [2022-07-14 00:28:58,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:28:58,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:28:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:59,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:28:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:28:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-14 00:28:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-14 00:28:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:28:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:59,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 00:28:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-14 00:28:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-14 00:28:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:28:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-14 00:28:59,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:28:59,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149295547] [2022-07-14 00:28:59,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149295547] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:28:59,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:28:59,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:28:59,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478809301] [2022-07-14 00:28:59,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:28:59,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:28:59,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:28:59,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:28:59,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:28:59,680 INFO L87 Difference]: Start difference. First operand 5373 states and 7846 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 00:29:01,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:29:06,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:29:09,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:29:17,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:29:19,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:29:21,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:29:24,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:29:25,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:29:25,974 INFO L93 Difference]: Finished difference Result 11184 states and 16411 transitions. [2022-07-14 00:29:25,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:29:25,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 98 [2022-07-14 00:29:25,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:29:26,006 INFO L225 Difference]: With dead ends: 11184 [2022-07-14 00:29:26,006 INFO L226 Difference]: Without dead ends: 5818 [2022-07-14 00:29:26,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 00:29:26,026 INFO L413 NwaCegarLoop]: 2385 mSDtfsCounter, 1053 mSDsluCounter, 4898 mSDsCounter, 0 mSdLazyCounter, 2042 mSolverCounterSat, 593 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 7283 SdHoareTripleChecker+Invalid, 2642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 2042 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:29:26,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 7283 Invalid, 2642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 2042 Invalid, 7 Unknown, 0 Unchecked, 25.9s Time] [2022-07-14 00:29:26,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2022-07-14 00:29:26,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 5379. [2022-07-14 00:29:26,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5379 states, 4276 states have (on average 1.4506548175865295) internal successors, (6203), 4299 states have internal predecessors, (6203), 825 states have call successors, (825), 278 states have call predecessors, (825), 277 states have return successors, (824), 823 states have call predecessors, (824), 824 states have call successors, (824) [2022-07-14 00:29:26,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 5379 states and 7852 transitions. [2022-07-14 00:29:26,207 INFO L78 Accepts]: Start accepts. Automaton has 5379 states and 7852 transitions. Word has length 98 [2022-07-14 00:29:26,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:29:26,207 INFO L495 AbstractCegarLoop]: Abstraction has 5379 states and 7852 transitions. [2022-07-14 00:29:26,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 00:29:26,208 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 7852 transitions. [2022-07-14 00:29:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-14 00:29:26,216 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:29:26,216 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:29:26,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 00:29:26,217 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:29:26,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:29:26,218 INFO L85 PathProgramCache]: Analyzing trace with hash -21239987, now seen corresponding path program 1 times [2022-07-14 00:29:26,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:29:26,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144342089] [2022-07-14 00:29:26,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:29:26,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:29:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:29:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:29:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:26,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-14 00:29:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:26,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-14 00:29:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:26,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 00:29:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-14 00:29:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-14 00:29:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:27,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:29:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:27,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-14 00:29:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:27,035 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-14 00:29:27,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:29:27,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144342089] [2022-07-14 00:29:27,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144342089] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:29:27,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:29:27,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:29:27,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976145293] [2022-07-14 00:29:27,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:29:27,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:29:27,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:29:27,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:29:27,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:29:27,040 INFO L87 Difference]: Start difference. First operand 5379 states and 7852 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-14 00:29:29,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:29:32,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:29:35,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:29:37,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []