./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 6c24879c 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-?-6c24879 [2022-07-12 12:44:40,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:44:40,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:44:40,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:44:40,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:44:40,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:44:40,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:44:40,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:44:40,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:44:40,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:44:40,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:44:40,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:44:40,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:44:40,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:44:40,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:44:40,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:44:40,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:44:40,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:44:40,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:44:40,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:44:40,503 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:44:40,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:44:40,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:44:40,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:44:40,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:44:40,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:44:40,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:44:40,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:44:40,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:44:40,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:44:40,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:44:40,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:44:40,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:44:40,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:44:40,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:44:40,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:44:40,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:44:40,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:44:40,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:44:40,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:44:40,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:44:40,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:44:40,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:44:40,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:44:40,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:44:40,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:44:40,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:44:40,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:44:40,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:44:40,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:44:40,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:44:40,565 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:44:40,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:44:40,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:44:40,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:44:40,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:44:40,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:44:40,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:44:40,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:44:40,567 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:44:40,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:44:40,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:44:40,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:44:40,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:44:40,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:44:40,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:44:40,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:44:40,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:44:40,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:44:40,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:44:40,570 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:44:40,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:44:40,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:44:40,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe [2022-07-12 12:44:40,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:44:40,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:44:40,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:44:40,861 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:44:40,862 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:44:40,863 INFO L432 ainManager$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 [2022-07-12 12:44:40,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4c287d9/e26fec1a471f43b4b2f60bf3d227e022/FLAG811278377 [2022-07-12 12:44:41,754 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:44:41,755 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 [2022-07-12 12:44:41,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4c287d9/e26fec1a471f43b4b2f60bf3d227e022/FLAG811278377 [2022-07-12 12:44:42,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4c287d9/e26fec1a471f43b4b2f60bf3d227e022 [2022-07-12 12:44:42,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:44:42,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:44:42,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:44:42,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:44:42,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:44:42,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:44:42" (1/1) ... [2022-07-12 12:44:42,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2edf25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:42, skipping insertion in model container [2022-07-12 12:44:42,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:44:42" (1/1) ... [2022-07-12 12:44:42,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:44:42,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:44:42,817 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-07-12 12:44:42,819 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] [2022-07-12 12:44:42,967 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] [2022-07-12 12:44:44,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:44:44,261 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:44:44,341 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-07-12 12:44:44,342 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] [2022-07-12 12:44:44,345 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] [2022-07-12 12:44:44,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:44:44,697 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:44:44,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44 WrapperNode [2022-07-12 12:44:44,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:44:44,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:44:44,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:44:44,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:44:44,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44" (1/1) ... [2022-07-12 12:44:44,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44" (1/1) ... [2022-07-12 12:44:44,987 INFO L137 Inliner]: procedures = 274, calls = 3128, calls flagged for inlining = 114, calls inlined = 96, statements flattened = 6499 [2022-07-12 12:44:44,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:44:44,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:44:44,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:44:44,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:44:45,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44" (1/1) ... [2022-07-12 12:44:45,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44" (1/1) ... [2022-07-12 12:44:45,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44" (1/1) ... [2022-07-12 12:44:45,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44" (1/1) ... [2022-07-12 12:44:45,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44" (1/1) ... [2022-07-12 12:44:45,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44" (1/1) ... [2022-07-12 12:44:45,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44" (1/1) ... [2022-07-12 12:44:45,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:44:45,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:44:45,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:44:45,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:44:45,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44" (1/1) ... [2022-07-12 12:44:45,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:44:45,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:44:45,368 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) [2022-07-12 12:44:45,387 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 [2022-07-12 12:44:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2022-07-12 12:44:45,401 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_link [2022-07-12 12:44:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2022-07-12 12:44:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2022-07-12 12:44:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:44:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:44:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:44:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:44:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling [2022-07-12 12:44:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling [2022-07-12 12:44:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_msr [2022-07-12 12:44:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_msr [2022-07-12 12:44:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-12 12:44:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-12 12:44:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling_info [2022-07-12 12:44:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling_info [2022-07-12 12:44:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 12:44:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 12:44:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_write_bit_register [2022-07-12 12:44:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_write_bit_register [2022-07-12 12:44:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit___0 [2022-07-12 12:44:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit___0 [2022-07-12 12:44:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_disable_device [2022-07-12 12:44:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_disable_device [2022-07-12 12:44:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:44:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:44:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 12:44:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next_and [2022-07-12 12:44:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next_and [2022-07-12 12:44:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-12 12:44:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-12 12:44:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_resume [2022-07-12 12:44:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_resume [2022-07-12 12:44:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit [2022-07-12 12:44:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit [2022-07-12 12:44:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:44:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:44:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_resume_and_unlock [2022-07-12 12:44:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_resume_and_unlock [2022-07-12 12:44:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:44:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:44:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-12 12:44:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-12 12:44:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_init [2022-07-12 12:44:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_init [2022-07-12 12:44:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:44:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:44:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:44:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:44:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2022-07-12 12:44:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_link [2022-07-12 12:44:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_copy [2022-07-12 12:44:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_copy [2022-07-12 12:44:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_states [2022-07-12 12:44:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_states [2022-07-12 12:44:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:44:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-12 12:44:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-12 12:44:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure x86_this_cpu_constant_test_bit [2022-07-12 12:44:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure x86_this_cpu_constant_test_bit [2022-07-12 12:44:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-12 12:44:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-12 12:44:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure free_cpumask_var [2022-07-12 12:44:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure free_cpumask_var [2022-07-12 12:44:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:44:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_clear [2022-07-12 12:44:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_clear [2022-07-12 12:44:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_performance_info [2022-07-12 12:44:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_performance_info [2022-07-12 12:44:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_pause_and_lock [2022-07-12 12:44:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_pause_and_lock [2022-07-12 12:44:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure zalloc_cpumask_var [2022-07-12 12:44:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure zalloc_cpumask_var [2022-07-12 12:44:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:44:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:44:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_driver_data [2022-07-12 12:44:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_driver_data [2022-07-12 12:44:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 12:44:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 12:44:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2022-07-12 12:44:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2022-07-12 12:44:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 12:44:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 12:44:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-12 12:44:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-12 12:44:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure work_on_cpu [2022-07-12 12:44:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure work_on_cpu [2022-07-12 12:44:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-12 12:44:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-12 12:44:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_has_changed [2022-07-12 12:44:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_has_changed [2022-07-12 12:44:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure __acpi_processor_start [2022-07-12 12:44:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __acpi_processor_start [2022-07-12 12:44:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 12:44:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:44:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:44:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_set_cur_state [2022-07-12 12:44:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_set_cur_state [2022-07-12 12:44:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_throttling_notifier [2022-07-12 12:44:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_throttling_notifier [2022-07-12 12:44:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 12:44:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_unregister_notifier [2022-07-12 12:44:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_unregister_notifier [2022-07-12 12:44:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:44:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:44:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:44:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_set_cpu [2022-07-12 12:44:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_set_cpu [2022-07-12 12:44:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_start [2022-07-12 12:44:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_start [2022-07-12 12:44:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_set_throttling [2022-07-12 12:44:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_set_throttling [2022-07-12 12:44:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 12:44:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 12:44:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 12:44:45,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 12:44:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_max_state [2022-07-12 12:44:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_max_state [2022-07-12 12:44:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:44:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:44:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_update_policy [2022-07-12 12:44:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_update_policy [2022-07-12 12:44:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 12:44:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_has_method [2022-07-12 12:44:45,431 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_has_method [2022-07-12 12:44:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_register_notifier [2022-07-12 12:44:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_register_notifier [2022-07-12 12:44:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:44:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:44:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_read_bit_register [2022-07-12 12:44:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_read_bit_register [2022-07-12 12:44:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_reevaluate_tstate [2022-07-12 12:44:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_reevaluate_tstate [2022-07-12 12:44:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_get_max_state [2022-07-12 12:44:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_get_max_state [2022-07-12 12:44:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure set_cpus_allowed_ptr [2022-07-12 12:44:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cpus_allowed_ptr [2022-07-12 12:44:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure phys_package_first_cpu [2022-07-12 12:44:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_package_first_cpu [2022-07-12 12:44:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:44:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2022-07-12 12:44:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2022-07-12 12:44:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:44:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-12 12:44:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-12 12:44:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_cx [2022-07-12 12:44:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_cx [2022-07-12 12:44:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_ost [2022-07-12 12:44:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_ost [2022-07-12 12:44:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure thermal_cooling_device_unregister [2022-07-12 12:44:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thermal_cooling_device_unregister [2022-07-12 12:44:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:44:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 12:44:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure disabled_by_idle_boot_param [2022-07-12 12:44:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure disabled_by_idle_boot_param [2022-07-12 12:44:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 12:44:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 12:44:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_verify_within_limits [2022-07-12 12:44:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_verify_within_limits [2022-07-12 12:44:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-07-12 12:44:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-07-12 12:44:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_exit [2022-07-12 12:44:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_exit [2022-07-12 12:44:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_power_info [2022-07-12 12:44:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_power_info [2022-07-12 12:44:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_get_driver [2022-07-12 12:44:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_get_driver [2022-07-12 12:44:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_extract_package [2022-07-12 12:44:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_extract_package [2022-07-12 12:44:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_unregister_driver [2022-07-12 12:44:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_unregister_driver [2022-07-12 12:44:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_stop [2022-07-12 12:44:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_stop [2022-07-12 12:44:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_tstate_has_changed [2022-07-12 12:44:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_tstate_has_changed [2022-07-12 12:44:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_enable_device [2022-07-12 12:44:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_enable_device [2022-07-12 12:44:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:44:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:44:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_os_write_port [2022-07-12 12:44:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_os_write_port [2022-07-12 12:44:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-12 12:44:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-12 12:44:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_has_cpufreq [2022-07-12 12:44:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_has_cpufreq [2022-07-12 12:44:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:44:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 12:44:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:44:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:44:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 12:44:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 12:44:46,166 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:44:46,169 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:44:46,352 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:47:12,860 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:47:12,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:47:12,887 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 12:47:12,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:47:12 BoogieIcfgContainer [2022-07-12 12:47:12,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:47:12,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:47:12,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:47:12,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:47:12,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:44:42" (1/3) ... [2022-07-12 12:47:12,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fdf4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:47:12, skipping insertion in model container [2022-07-12 12:47:12,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:44:44" (2/3) ... [2022-07-12 12:47:12,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fdf4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:47:12, skipping insertion in model container [2022-07-12 12:47:12,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:47:12" (3/3) ... [2022-07-12 12:47:12,902 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 [2022-07-12 12:47:12,914 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:47:12,915 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:47:13,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:47:13,011 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@3b10d881, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4f7802a9 [2022-07-12 12:47:13,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:47:13,023 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) [2022-07-12 12:47:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-12 12:47:13,058 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:47:13,059 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] [2022-07-12 12:47:13,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:47:13,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:47:13,067 INFO L85 PathProgramCache]: Analyzing trace with hash 310454889, now seen corresponding path program 1 times [2022-07-12 12:47:13,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:47:13,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719950691] [2022-07-12 12:47:13,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:47:13,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:47:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:47:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:14,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:47:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:14,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 12:47:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:14,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:47:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:14,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:47:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:14,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 12:47:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-12 12:47:14,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:47:14,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719950691] [2022-07-12 12:47:14,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719950691] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:47:14,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:47:14,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:47:14,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620356807] [2022-07-12 12:47:14,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:47:14,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:47:14,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:47:14,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:47:14,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:47:14,339 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) [2022-07-12 12:47:16,477 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 [] [2022-07-12 12:47:22,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:47:29,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:47:33,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:47:38,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:47:40,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:47:43,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:47:46,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:47:46,993 INFO L93 Difference]: Finished difference Result 5289 states and 7920 transitions. [2022-07-12 12:47:46,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:47:46,996 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 [2022-07-12 12:47:46,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:47:47,034 INFO L225 Difference]: With dead ends: 5289 [2022-07-12 12:47:47,034 INFO L226 Difference]: Without dead ends: 3491 [2022-07-12 12:47:47,049 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 [2022-07-12 12:47:47,052 INFO L413 NwaCegarLoop]: 2992 mSDtfsCounter, 3112 mSDsluCounter, 4313 mSDsCounter, 0 mSdLazyCounter, 3060 mSolverCounterSat, 663 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3320 SdHoareTripleChecker+Valid, 7305 SdHoareTripleChecker+Invalid, 3730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 663 IncrementalHoareTripleChecker+Valid, 3060 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:47:47,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3320 Valid, 7305 Invalid, 3730 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [663 Valid, 3060 Invalid, 7 Unknown, 0 Unchecked, 31.9s Time] [2022-07-12 12:47:47,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3491 states. [2022-07-12 12:47:47,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3491 to 3328. [2022-07-12 12:47:47,257 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) [2022-07-12 12:47:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 4882 transitions. [2022-07-12 12:47:47,281 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 4882 transitions. Word has length 71 [2022-07-12 12:47:47,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:47:47,282 INFO L495 AbstractCegarLoop]: Abstraction has 3328 states and 4882 transitions. [2022-07-12 12:47:47,282 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) [2022-07-12 12:47:47,282 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 4882 transitions. [2022-07-12 12:47:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-12 12:47:47,294 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:47:47,294 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] [2022-07-12 12:47:47,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:47:47,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:47:47,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:47:47,295 INFO L85 PathProgramCache]: Analyzing trace with hash 428123233, now seen corresponding path program 1 times [2022-07-12 12:47:47,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:47:47,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072465330] [2022-07-12 12:47:47,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:47:47,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:47:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:47:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:47:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 12:47:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:48,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 12:47:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 12:47:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:48,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:47:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:47:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-12 12:47:48,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:47:48,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072465330] [2022-07-12 12:47:48,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072465330] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:47:48,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:47:48,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:47:48,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622698538] [2022-07-12 12:47:48,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:47:48,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:47:48,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:47:48,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:47:48,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:47:48,049 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) [2022-07-12 12:47:50,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:47:54,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:47:57,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:47:59,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:48:06,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:48:09,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:48:13,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:48:15,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:48:18,315 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 [] [2022-07-12 12:48:19,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:48:19,668 INFO L93 Difference]: Finished difference Result 8962 states and 13138 transitions. [2022-07-12 12:48:19,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:48:19,668 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 [2022-07-12 12:48:19,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:48:19,700 INFO L225 Difference]: With dead ends: 8962 [2022-07-12 12:48:19,701 INFO L226 Difference]: Without dead ends: 5641 [2022-07-12 12:48:19,714 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 [2022-07-12 12:48:19,715 INFO L413 NwaCegarLoop]: 4051 mSDtfsCounter, 3164 mSDsluCounter, 3774 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 925 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3361 SdHoareTripleChecker+Valid, 7825 SdHoareTripleChecker+Invalid, 2990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 925 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:48:19,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3361 Valid, 7825 Invalid, 2990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [925 Valid, 2056 Invalid, 9 Unknown, 0 Unchecked, 31.1s Time] [2022-07-12 12:48:19,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5641 states. [2022-07-12 12:48:19,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5641 to 5373. [2022-07-12 12:48:19,881 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) [2022-07-12 12:48:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5373 states to 5373 states and 7846 transitions. [2022-07-12 12:48:19,907 INFO L78 Accepts]: Start accepts. Automaton has 5373 states and 7846 transitions. Word has length 80 [2022-07-12 12:48:19,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:48:19,908 INFO L495 AbstractCegarLoop]: Abstraction has 5373 states and 7846 transitions. [2022-07-12 12:48:19,908 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) [2022-07-12 12:48:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 5373 states and 7846 transitions. [2022-07-12 12:48:19,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-12 12:48:19,915 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:48:19,916 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] [2022-07-12 12:48:19,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:48:19,917 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:48:19,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:48:19,917 INFO L85 PathProgramCache]: Analyzing trace with hash -19882466, now seen corresponding path program 1 times [2022-07-12 12:48:19,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:48:19,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775780436] [2022-07-12 12:48:19,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:48:19,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:48:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:20,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:48:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:20,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:48:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:20,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 12:48:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:20,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 12:48:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:48:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:20,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 12:48:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 12:48:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 12:48:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-12 12:48:20,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:48:20,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775780436] [2022-07-12 12:48:20,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775780436] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:48:20,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:48:20,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:48:20,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313340651] [2022-07-12 12:48:20,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:48:20,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:48:20,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:48:20,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:48:20,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:48:20,877 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) [2022-07-12 12:48:22,974 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 [] [2022-07-12 12:48:27,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:48:30,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:48:38,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:48:41,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:48:42,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:48:42,804 INFO L93 Difference]: Finished difference Result 11184 states and 16411 transitions. [2022-07-12 12:48:42,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:48:42,805 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 [2022-07-12 12:48:42,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:48:42,835 INFO L225 Difference]: With dead ends: 11184 [2022-07-12 12:48:42,835 INFO L226 Difference]: Without dead ends: 5818 [2022-07-12 12:48:42,854 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 [2022-07-12 12:48:42,855 INFO L413 NwaCegarLoop]: 2383 mSDtfsCounter, 1053 mSDsluCounter, 4892 mSDsCounter, 0 mSdLazyCounter, 2044 mSolverCounterSat, 593 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 7275 SdHoareTripleChecker+Invalid, 2642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 2044 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2022-07-12 12:48:42,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 7275 Invalid, 2642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 2044 Invalid, 5 Unknown, 0 Unchecked, 21.6s Time] [2022-07-12 12:48:42,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2022-07-12 12:48:42,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 5379. [2022-07-12 12:48:43,005 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) [2022-07-12 12:48:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 5379 states and 7852 transitions. [2022-07-12 12:48:43,022 INFO L78 Accepts]: Start accepts. Automaton has 5379 states and 7852 transitions. Word has length 98 [2022-07-12 12:48:43,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:48:43,023 INFO L495 AbstractCegarLoop]: Abstraction has 5379 states and 7852 transitions. [2022-07-12 12:48:43,023 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) [2022-07-12 12:48:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 7852 transitions. [2022-07-12 12:48:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-12 12:48:43,031 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:48:43,032 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] [2022-07-12 12:48:43,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 12:48:43,032 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:48:43,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:48:43,033 INFO L85 PathProgramCache]: Analyzing trace with hash -21239987, now seen corresponding path program 1 times [2022-07-12 12:48:43,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:48:43,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048781632] [2022-07-12 12:48:43,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:48:43,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:48:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:48:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:48:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:43,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 12:48:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:43,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 12:48:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 12:48:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:43,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 12:48:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:43,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 12:48:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 12:48:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 12:48:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:43,850 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-12 12:48:43,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:48:43,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048781632] [2022-07-12 12:48:43,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048781632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:48:43,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:48:43,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:48:43,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145664627] [2022-07-12 12:48:43,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:48:43,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:48:43,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:48:43,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:48:43,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:48:43,855 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) [2022-07-12 12:48:45,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:48:49,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:48:52,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:49:00,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:49:03,465 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 [] [2022-07-12 12:49:05,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:49:05,172 INFO L93 Difference]: Finished difference Result 11041 states and 16165 transitions. [2022-07-12 12:49:05,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:49:05,173 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 106 [2022-07-12 12:49:05,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:49:05,203 INFO L225 Difference]: With dead ends: 11041 [2022-07-12 12:49:05,203 INFO L226 Difference]: Without dead ends: 5669 [2022-07-12 12:49:05,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:49:05,222 INFO L413 NwaCegarLoop]: 2326 mSDtfsCounter, 1018 mSDsluCounter, 4286 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 593 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 6612 SdHoareTripleChecker+Invalid, 2360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-07-12 12:49:05,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 6612 Invalid, 2360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 1762 Invalid, 5 Unknown, 0 Unchecked, 21.0s Time] [2022-07-12 12:49:05,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5669 states. [2022-07-12 12:49:05,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5669 to 5382. [2022-07-12 12:49:05,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5382 states, 4279 states have (on average 1.4503388642206123) internal successors, (6206), 4302 states have internal predecessors, (6206), 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) [2022-07-12 12:49:05,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5382 states to 5382 states and 7855 transitions. [2022-07-12 12:49:05,404 INFO L78 Accepts]: Start accepts. Automaton has 5382 states and 7855 transitions. Word has length 106 [2022-07-12 12:49:05,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:49:05,404 INFO L495 AbstractCegarLoop]: Abstraction has 5382 states and 7855 transitions. [2022-07-12 12:49:05,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-12 12:49:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 5382 states and 7855 transitions. [2022-07-12 12:49:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-12 12:49:05,475 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:49:05,475 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] [2022-07-12 12:49:05,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 12:49:05,475 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:49:05,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:49:05,477 INFO L85 PathProgramCache]: Analyzing trace with hash 679824591, now seen corresponding path program 1 times [2022-07-12 12:49:05,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:49:05,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262271072] [2022-07-12 12:49:05,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:49:05,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms