./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 eb692b52 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-?-eb692b5 [2022-07-19 23:46:46,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:46:46,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:46:46,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:46:46,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:46:46,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:46:46,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:46:46,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:46:46,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:46:46,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:46:46,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:46:46,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:46:46,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:46:46,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:46:46,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:46:46,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:46:46,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:46:46,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:46:46,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:46:46,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:46:46,611 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:46:46,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:46:46,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:46:46,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:46:46,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:46:46,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:46:46,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:46:46,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:46:46,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:46:46,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:46:46,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:46:46,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:46:46,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:46:46,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:46:46,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:46:46,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:46:46,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:46:46,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:46:46,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:46:46,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:46:46,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:46:46,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:46:46,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:46:46,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:46:46,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:46:46,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:46:46,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:46:46,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:46:46,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:46:46,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:46:46,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:46:46,650 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:46:46,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:46:46,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:46:46,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:46:46,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:46:46,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:46:46,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:46:46,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:46:46,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:46:46,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:46:46,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:46:46,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:46:46,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:46:46,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:46:46,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:46:46,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:46:46,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:46:46,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:46:46,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:46:46,656 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:46:46,656 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:46:46,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:46:46,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe [2022-07-19 23:46:46,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:46:46,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:46:46,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:46:46,932 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:46:46,933 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:46:46,934 INFO L432 ainManager$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 [2022-07-19 23:46:47,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a21571b/05eef825fbcf4f11bef5d72f869817e8/FLAG5f5169854 [2022-07-19 23:46:47,715 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:46:47,716 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 [2022-07-19 23:46:47,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a21571b/05eef825fbcf4f11bef5d72f869817e8/FLAG5f5169854 [2022-07-19 23:46:47,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a21571b/05eef825fbcf4f11bef5d72f869817e8 [2022-07-19 23:46:47,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:46:47,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:46:47,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:46:47,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:46:47,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:46:47,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:46:47" (1/1) ... [2022-07-19 23:46:47,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1556d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:47, skipping insertion in model container [2022-07-19 23:46:47,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:46:47" (1/1) ... [2022-07-19 23:46:47,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:46:48,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:46:48,544 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-07-19 23:46:48,545 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] [2022-07-19 23:46:48,740 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] [2022-07-19 23:46:50,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:46:50,386 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:46:50,481 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-07-19 23:46:50,481 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] [2022-07-19 23:46:50,491 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] [2022-07-19 23:46:50,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:46:50,881 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:46:50,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50 WrapperNode [2022-07-19 23:46:50,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:46:50,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:46:50,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:46:50,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:46:50,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50" (1/1) ... [2022-07-19 23:46:51,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50" (1/1) ... [2022-07-19 23:46:51,216 INFO L137 Inliner]: procedures = 274, calls = 3128, calls flagged for inlining = 114, calls inlined = 96, statements flattened = 6499 [2022-07-19 23:46:51,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:46:51,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:46:51,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:46:51,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:46:51,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50" (1/1) ... [2022-07-19 23:46:51,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50" (1/1) ... [2022-07-19 23:46:51,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50" (1/1) ... [2022-07-19 23:46:51,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50" (1/1) ... [2022-07-19 23:46:51,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50" (1/1) ... [2022-07-19 23:46:51,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50" (1/1) ... [2022-07-19 23:46:51,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50" (1/1) ... [2022-07-19 23:46:51,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:46:51,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:46:51,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:46:51,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:46:51,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50" (1/1) ... [2022-07-19 23:46:51,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:46:51,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:46:51,589 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) [2022-07-19 23:46:51,607 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 [2022-07-19 23:46:51,630 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2022-07-19 23:46:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_link [2022-07-19 23:46:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2022-07-19 23:46:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2022-07-19 23:46:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:46:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:46:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:46:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:46:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling [2022-07-19 23:46:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling [2022-07-19 23:46:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_msr [2022-07-19 23:46:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_msr [2022-07-19 23:46:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-19 23:46:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-19 23:46:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling_info [2022-07-19 23:46:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling_info [2022-07-19 23:46:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-19 23:46:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-19 23:46:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_write_bit_register [2022-07-19 23:46:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_write_bit_register [2022-07-19 23:46:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit___0 [2022-07-19 23:46:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit___0 [2022-07-19 23:46:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_disable_device [2022-07-19 23:46:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_disable_device [2022-07-19 23:46:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:46:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:46:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-19 23:46:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next_and [2022-07-19 23:46:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next_and [2022-07-19 23:46:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-19 23:46:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-19 23:46:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_resume [2022-07-19 23:46:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_resume [2022-07-19 23:46:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit [2022-07-19 23:46:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit [2022-07-19 23:46:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:46:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:46:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_resume_and_unlock [2022-07-19 23:46:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_resume_and_unlock [2022-07-19 23:46:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:46:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:46:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-19 23:46:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-19 23:46:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_init [2022-07-19 23:46:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_init [2022-07-19 23:46:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:46:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:46:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:46:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:46:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2022-07-19 23:46:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_link [2022-07-19 23:46:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_copy [2022-07-19 23:46:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_copy [2022-07-19 23:46:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_states [2022-07-19 23:46:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_states [2022-07-19 23:46:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:46:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-19 23:46:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-19 23:46:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure x86_this_cpu_constant_test_bit [2022-07-19 23:46:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure x86_this_cpu_constant_test_bit [2022-07-19 23:46:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-19 23:46:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-19 23:46:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure free_cpumask_var [2022-07-19 23:46:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure free_cpumask_var [2022-07-19 23:46:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:46:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_clear [2022-07-19 23:46:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_clear [2022-07-19 23:46:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_performance_info [2022-07-19 23:46:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_performance_info [2022-07-19 23:46:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_pause_and_lock [2022-07-19 23:46:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_pause_and_lock [2022-07-19 23:46:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure zalloc_cpumask_var [2022-07-19 23:46:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure zalloc_cpumask_var [2022-07-19 23:46:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:46:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:46:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_driver_data [2022-07-19 23:46:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_driver_data [2022-07-19 23:46:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:46:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:46:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2022-07-19 23:46:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2022-07-19 23:46:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-19 23:46:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-19 23:46:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-19 23:46:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-19 23:46:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure work_on_cpu [2022-07-19 23:46:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure work_on_cpu [2022-07-19 23:46:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-19 23:46:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-19 23:46:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_has_changed [2022-07-19 23:46:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_has_changed [2022-07-19 23:46:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure __acpi_processor_start [2022-07-19 23:46:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __acpi_processor_start [2022-07-19 23:46:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 23:46:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:46:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:46:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_set_cur_state [2022-07-19 23:46:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_set_cur_state [2022-07-19 23:46:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_throttling_notifier [2022-07-19 23:46:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_throttling_notifier [2022-07-19 23:46:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 23:46:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_unregister_notifier [2022-07-19 23:46:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_unregister_notifier [2022-07-19 23:46:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:46:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:46:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:46:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_set_cpu [2022-07-19 23:46:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_set_cpu [2022-07-19 23:46:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_start [2022-07-19 23:46:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_start [2022-07-19 23:46:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_set_throttling [2022-07-19 23:46:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_set_throttling [2022-07-19 23:46:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-19 23:46:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-19 23:46:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-19 23:46:51,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-19 23:46:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_max_state [2022-07-19 23:46:51,656 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_max_state [2022-07-19 23:46:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:46:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:46:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_update_policy [2022-07-19 23:46:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_update_policy [2022-07-19 23:46:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:46:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_has_method [2022-07-19 23:46:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_has_method [2022-07-19 23:46:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_register_notifier [2022-07-19 23:46:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_register_notifier [2022-07-19 23:46:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:46:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:46:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_read_bit_register [2022-07-19 23:46:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_read_bit_register [2022-07-19 23:46:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_reevaluate_tstate [2022-07-19 23:46:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_reevaluate_tstate [2022-07-19 23:46:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_get_max_state [2022-07-19 23:46:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_get_max_state [2022-07-19 23:46:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure set_cpus_allowed_ptr [2022-07-19 23:46:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cpus_allowed_ptr [2022-07-19 23:46:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure phys_package_first_cpu [2022-07-19 23:46:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_package_first_cpu [2022-07-19 23:46:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:46:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2022-07-19 23:46:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2022-07-19 23:46:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:46:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-19 23:46:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-19 23:46:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_cx [2022-07-19 23:46:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_cx [2022-07-19 23:46:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_ost [2022-07-19 23:46:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_ost [2022-07-19 23:46:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure thermal_cooling_device_unregister [2022-07-19 23:46:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thermal_cooling_device_unregister [2022-07-19 23:46:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:46:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 23:46:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure disabled_by_idle_boot_param [2022-07-19 23:46:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure disabled_by_idle_boot_param [2022-07-19 23:46:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-19 23:46:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-19 23:46:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_verify_within_limits [2022-07-19 23:46:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_verify_within_limits [2022-07-19 23:46:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-07-19 23:46:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-07-19 23:46:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_exit [2022-07-19 23:46:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_exit [2022-07-19 23:46:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_power_info [2022-07-19 23:46:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_power_info [2022-07-19 23:46:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_get_driver [2022-07-19 23:46:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_get_driver [2022-07-19 23:46:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_extract_package [2022-07-19 23:46:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_extract_package [2022-07-19 23:46:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_unregister_driver [2022-07-19 23:46:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_unregister_driver [2022-07-19 23:46:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_stop [2022-07-19 23:46:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_stop [2022-07-19 23:46:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_tstate_has_changed [2022-07-19 23:46:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_tstate_has_changed [2022-07-19 23:46:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_enable_device [2022-07-19 23:46:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_enable_device [2022-07-19 23:46:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:46:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:46:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_os_write_port [2022-07-19 23:46:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_os_write_port [2022-07-19 23:46:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-19 23:46:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-19 23:46:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_has_cpufreq [2022-07-19 23:46:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_has_cpufreq [2022-07-19 23:46:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:46:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-19 23:46:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:46:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:46:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-19 23:46:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-19 23:46:52,396 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:46:52,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:46:52,615 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:49:15,996 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:49:16,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:49:16,018 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:49:16,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:49:16 BoogieIcfgContainer [2022-07-19 23:49:16,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:49:16,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:49:16,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:49:16,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:49:16,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:46:47" (1/3) ... [2022-07-19 23:49:16,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1516e465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:49:16, skipping insertion in model container [2022-07-19 23:49:16,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:46:50" (2/3) ... [2022-07-19 23:49:16,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1516e465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:49:16, skipping insertion in model container [2022-07-19 23:49:16,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:49:16" (3/3) ... [2022-07-19 23:49:16,033 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 [2022-07-19 23:49:16,051 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:49:16,051 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:49:16,132 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:49:16,137 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@5cf748ba, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@56f82502 [2022-07-19 23:49:16,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:49:16,149 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) [2022-07-19 23:49:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-19 23:49:16,175 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:49:16,176 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] [2022-07-19 23:49:16,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:49:16,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:49:16,181 INFO L85 PathProgramCache]: Analyzing trace with hash 310454889, now seen corresponding path program 1 times [2022-07-19 23:49:16,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:49:16,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716316549] [2022-07-19 23:49:16,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:49:16,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:49:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:17,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:49:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:49:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:17,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 23:49:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:49:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:49:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:17,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 23:49:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-19 23:49:17,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:49:17,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716316549] [2022-07-19 23:49:17,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716316549] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:49:17,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:49:17,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:49:17,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493405284] [2022-07-19 23:49:17,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:49:17,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:49:17,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:49:17,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:49:17,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:49:17,561 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) [2022-07-19 23:49:19,707 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 [] [2022-07-19 23:49:26,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:49:28,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:49:35,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:49:39,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:49:41,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:49:46,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:49:48,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:49:51,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:49:53,746 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 [] [2022-07-19 23:49:57,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:49:57,267 INFO L93 Difference]: Finished difference Result 5289 states and 7920 transitions. [2022-07-19 23:49:57,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:49:57,270 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 [2022-07-19 23:49:57,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:49:57,314 INFO L225 Difference]: With dead ends: 5289 [2022-07-19 23:49:57,315 INFO L226 Difference]: Without dead ends: 3491 [2022-07-19 23:49:57,331 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 [2022-07-19 23:49:57,334 INFO L413 NwaCegarLoop]: 2995 mSDtfsCounter, 3112 mSDsluCounter, 4320 mSDsCounter, 0 mSdLazyCounter, 3057 mSolverCounterSat, 663 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3318 SdHoareTripleChecker+Valid, 7315 SdHoareTripleChecker+Invalid, 3730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 663 IncrementalHoareTripleChecker+Valid, 3057 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2022-07-19 23:49:57,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3318 Valid, 7315 Invalid, 3730 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [663 Valid, 3057 Invalid, 10 Unknown, 0 Unchecked, 38.9s Time] [2022-07-19 23:49:57,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3491 states. [2022-07-19 23:49:57,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3491 to 3328. [2022-07-19 23:49:57,558 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) [2022-07-19 23:49:57,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 4882 transitions. [2022-07-19 23:49:57,587 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 4882 transitions. Word has length 71 [2022-07-19 23:49:57,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:49:57,588 INFO L495 AbstractCegarLoop]: Abstraction has 3328 states and 4882 transitions. [2022-07-19 23:49:57,589 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) [2022-07-19 23:49:57,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 4882 transitions. [2022-07-19 23:49:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-19 23:49:57,602 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:49:57,602 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] [2022-07-19 23:49:57,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:49:57,603 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:49:57,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:49:57,604 INFO L85 PathProgramCache]: Analyzing trace with hash 428123233, now seen corresponding path program 1 times [2022-07-19 23:49:57,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:49:57,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370924929] [2022-07-19 23:49:57,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:49:57,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:49:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:49:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:49:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:49:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:58,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-19 23:49:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:58,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 23:49:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:58,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:49:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:49:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-19 23:49:58,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:49:58,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370924929] [2022-07-19 23:49:58,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370924929] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:49:58,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:49:58,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:49:58,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893172908] [2022-07-19 23:49:58,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:49:58,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:49:58,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:49:58,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:49:58,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:49:58,565 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) [2022-07-19 23:50:00,684 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 [] [2022-07-19 23:50:05,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:07,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:10,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:17,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:20,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:24,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:26,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:28,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:31,023 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 [] [2022-07-19 23:50:32,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:50:32,259 INFO L93 Difference]: Finished difference Result 8962 states and 13138 transitions. [2022-07-19 23:50:32,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:50:32,260 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 [2022-07-19 23:50:32,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:50:32,294 INFO L225 Difference]: With dead ends: 8962 [2022-07-19 23:50:32,295 INFO L226 Difference]: Without dead ends: 5641 [2022-07-19 23:50:32,310 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 [2022-07-19 23:50:32,311 INFO L413 NwaCegarLoop]: 4050 mSDtfsCounter, 3164 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 2055 mSolverCounterSat, 925 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3360 SdHoareTripleChecker+Valid, 7821 SdHoareTripleChecker+Invalid, 2990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 925 IncrementalHoareTripleChecker+Valid, 2055 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:50:32,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3360 Valid, 7821 Invalid, 2990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [925 Valid, 2055 Invalid, 10 Unknown, 0 Unchecked, 33.1s Time] [2022-07-19 23:50:32,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5641 states. [2022-07-19 23:50:32,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5641 to 5373. [2022-07-19 23:50:32,473 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) [2022-07-19 23:50:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5373 states to 5373 states and 7846 transitions. [2022-07-19 23:50:32,502 INFO L78 Accepts]: Start accepts. Automaton has 5373 states and 7846 transitions. Word has length 80 [2022-07-19 23:50:32,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:50:32,503 INFO L495 AbstractCegarLoop]: Abstraction has 5373 states and 7846 transitions. [2022-07-19 23:50:32,503 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) [2022-07-19 23:50:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 5373 states and 7846 transitions. [2022-07-19 23:50:32,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-19 23:50:32,511 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:50:32,512 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] [2022-07-19 23:50:32,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:50:32,512 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:50:32,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:50:32,513 INFO L85 PathProgramCache]: Analyzing trace with hash -19882466, now seen corresponding path program 1 times [2022-07-19 23:50:32,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:50:32,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448481493] [2022-07-19 23:50:32,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:50:32,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:50:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:33,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:50:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:50:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:33,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 23:50:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 23:50:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:33,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:50:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 23:50:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:33,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:50:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:33,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 23:50:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-19 23:50:33,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:50:33,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448481493] [2022-07-19 23:50:33,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448481493] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:50:33,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:50:33,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:50:33,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336489866] [2022-07-19 23:50:33,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:50:33,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:50:33,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:50:33,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:50:33,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:50:33,456 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) [2022-07-19 23:50:35,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:39,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:42,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:45,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:53,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:55,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:57,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:50:59,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:51:02,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:51:04,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:51:04,257 INFO L93 Difference]: Finished difference Result 11184 states and 16411 transitions. [2022-07-19 23:51:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:51:04,258 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 [2022-07-19 23:51:04,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:51:04,289 INFO L225 Difference]: With dead ends: 11184 [2022-07-19 23:51:04,290 INFO L226 Difference]: Without dead ends: 5818 [2022-07-19 23:51:04,311 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 [2022-07-19 23:51:04,312 INFO L413 NwaCegarLoop]: 2385 mSDtfsCounter, 1053 mSDsluCounter, 4898 mSDsCounter, 0 mSdLazyCounter, 2040 mSolverCounterSat, 593 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 7283 SdHoareTripleChecker+Invalid, 2642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 2040 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:51:04,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 7283 Invalid, 2642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 2040 Invalid, 9 Unknown, 0 Unchecked, 30.4s Time] [2022-07-19 23:51:04,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2022-07-19 23:51:04,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 5379. [2022-07-19 23:51:04,487 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) [2022-07-19 23:51:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 5379 states and 7852 transitions. [2022-07-19 23:51:04,507 INFO L78 Accepts]: Start accepts. Automaton has 5379 states and 7852 transitions. Word has length 98 [2022-07-19 23:51:04,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:51:04,508 INFO L495 AbstractCegarLoop]: Abstraction has 5379 states and 7852 transitions. [2022-07-19 23:51:04,508 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) [2022-07-19 23:51:04,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 7852 transitions. [2022-07-19 23:51:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-19 23:51:04,517 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:51:04,517 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] [2022-07-19 23:51:04,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:51:04,518 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:51:04,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:51:04,519 INFO L85 PathProgramCache]: Analyzing trace with hash -21239987, now seen corresponding path program 1 times [2022-07-19 23:51:04,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:51:04,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935409505] [2022-07-19 23:51:04,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:51:04,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms