./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 c36dfa3b 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 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 04:41:01,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 04:41:01,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 04:41:01,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 04:41:01,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 04:41:01,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 04:41:01,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 04:41:01,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 04:41:01,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 04:41:01,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 04:41:01,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 04:41:01,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 04:41:01,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 04:41:01,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 04:41:01,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 04:41:01,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 04:41:01,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 04:41:01,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 04:41:01,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 04:41:01,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 04:41:01,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 04:41:01,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 04:41:01,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 04:41:01,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 04:41:01,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 04:41:01,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 04:41:01,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 04:41:01,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 04:41:01,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 04:41:01,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 04:41:01,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 04:41:01,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 04:41:01,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 04:41:01,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 04:41:01,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 04:41:01,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 04:41:01,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 04:41:01,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 04:41:01,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 04:41:01,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 04:41:01,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 04:41:01,801 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 04:41:01,833 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 04:41:01,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 04:41:01,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 04:41:01,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 04:41:01,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 04:41:01,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 04:41:01,834 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 04:41:01,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 04:41:01,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 04:41:01,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 04:41:01,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 04:41:01,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 04:41:01,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 04:41:01,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 04:41:01,835 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 04:41:01,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 04:41:01,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 04:41:01,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 04:41:01,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 04:41:01,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 04:41:01,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 04:41:01,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 04:41:01,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 04:41:01,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 04:41:01,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 04:41:01,836 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 04:41:01,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 04:41:01,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 04:41:01,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 04:41:01,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe [2021-11-04 04:41:02,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 04:41:02,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 04:41:02,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 04:41:02,063 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 04:41:02,071 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 04:41:02,072 INFO L432 ainManager$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 [2021-11-04 04:41:02,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/061815b5d/18eb048e212d48e7ab9b16eedcbc3374/FLAG6c18689f5 [2021-11-04 04:41:02,876 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 04:41:02,876 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 [2021-11-04 04:41:02,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/061815b5d/18eb048e212d48e7ab9b16eedcbc3374/FLAG6c18689f5 [2021-11-04 04:41:03,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/061815b5d/18eb048e212d48e7ab9b16eedcbc3374 [2021-11-04 04:41:03,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 04:41:03,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 04:41:03,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 04:41:03,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 04:41:03,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 04:41:03,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 04:41:03" (1/1) ... [2021-11-04 04:41:03,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6f13e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:03, skipping insertion in model container [2021-11-04 04:41:03,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 04:41:03" (1/1) ... [2021-11-04 04:41:03,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 04:41:03,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 04:41:04,003 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2021-11-04 04:41:04,003 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2021-11-04 04:41:04,162 WARN L228 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] [2021-11-04 04:41:05,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 04:41:05,865 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 04:41:05,951 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2021-11-04 04:41:05,952 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2021-11-04 04:41:05,958 WARN L228 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] [2021-11-04 04:41:06,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 04:41:06,360 INFO L208 MainTranslator]: Completed translation [2021-11-04 04:41:06,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06 WrapperNode [2021-11-04 04:41:06,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 04:41:06,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 04:41:06,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 04:41:06,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 04:41:06,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06" (1/1) ... [2021-11-04 04:41:06,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06" (1/1) ... [2021-11-04 04:41:06,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 04:41:06,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 04:41:06,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 04:41:06,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 04:41:06,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06" (1/1) ... [2021-11-04 04:41:06,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06" (1/1) ... [2021-11-04 04:41:07,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06" (1/1) ... [2021-11-04 04:41:07,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06" (1/1) ... [2021-11-04 04:41:07,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06" (1/1) ... [2021-11-04 04:41:07,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06" (1/1) ... [2021-11-04 04:41:07,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06" (1/1) ... [2021-11-04 04:41:07,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 04:41:07,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 04:41:07,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 04:41:07,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 04:41:07,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06" (1/1) ... [2021-11-04 04:41:07,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 04:41:07,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 04:41:07,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-04 04:41:07,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-04 04:41:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 04:41:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 04:41:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling [2021-11-04 04:41:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling [2021-11-04 04:41:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling_info [2021-11-04 04:41:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling_info [2021-11-04 04:41:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-04 04:41:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 04:41:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 04:41:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 04:41:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 04:41:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure __acpi_processor_start [2021-11-04 04:41:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __acpi_processor_start [2021-11-04 04:41:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 04:41:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 04:41:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 04:41:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_start [2021-11-04 04:41:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_start [2021-11-04 04:41:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 04:41:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 04:41:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 04:41:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 04:41:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-04 04:41:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-04 04:41:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 04:41:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-04 04:41:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 04:41:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 04:46:29,103 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 04:46:29,104 INFO L299 CfgBuilder]: Removed 1689 assume(true) statements. [2021-11-04 04:46:29,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 04:46:29 BoogieIcfgContainer [2021-11-04 04:46:29,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 04:46:29,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 04:46:29,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 04:46:29,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 04:46:29,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 04:41:03" (1/3) ... [2021-11-04 04:46:29,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c035dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 04:46:29, skipping insertion in model container [2021-11-04 04:46:29,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:41:06" (2/3) ... [2021-11-04 04:46:29,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c035dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 04:46:29, skipping insertion in model container [2021-11-04 04:46:29,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 04:46:29" (3/3) ... [2021-11-04 04:46:29,121 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 [2021-11-04 04:46:29,126 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 04:46:29,126 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-04 04:46:29,190 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 04:46:29,198 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-04 04:46:29,199 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-04 04:46:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 2701 states, 2682 states have (on average 1.4951528709917972) internal successors, (4010), 2686 states have internal predecessors, (4010), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-04 04:46:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-04 04:46:29,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:46:29,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 04:46:29,283 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, __acpi_processor_startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-04 04:46:29,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:46:29,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1263856670, now seen corresponding path program 1 times [2021-11-04 04:46:29,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:46:29,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743524342] [2021-11-04 04:46:29,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:46:29,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:46:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:46:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 04:46:30,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:46:30,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743524342] [2021-11-04 04:46:30,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743524342] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:46:30,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:46:30,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:46:30,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223032896] [2021-11-04 04:46:30,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:46:30,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 04:46:30,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:46:30,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 04:46:30,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:46:30,324 INFO L87 Difference]: Start difference. First operand has 2701 states, 2682 states have (on average 1.4951528709917972) internal successors, (4010), 2686 states have internal predecessors, (4010), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:46:32,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:46:38,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:46:42,088 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:46:47,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:46:52,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:46:58,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:47:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:47:03,670 INFO L93 Difference]: Finished difference Result 7992 states and 11934 transitions. [2021-11-04 04:47:03,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 04:47:03,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-04 04:47:03,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:47:03,716 INFO L225 Difference]: With dead ends: 7992 [2021-11-04 04:47:03,716 INFO L226 Difference]: Without dead ends: 5235 [2021-11-04 04:47:03,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.27ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:47:03,736 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 3832 mSDsluCounter, 3979 mSDsCounter, 0 mSdLazyCounter, 7914 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30110.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3834 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 7921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 69.62ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7914 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32458.20ms IncrementalHoareTripleChecker+Time [2021-11-04 04:47:03,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3834 Valid, 75 Invalid, 7921 Unknown, 0 Unchecked, 69.62ms Time], IncrementalHoareTripleChecker [1 Valid, 7914 Invalid, 6 Unknown, 0 Unchecked, 32458.20ms Time] [2021-11-04 04:47:03,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5235 states. [2021-11-04 04:47:03,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5235 to 5217. [2021-11-04 04:47:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5217 states, 5186 states have (on average 1.4816814500578481) internal successors, (7684), 5189 states have internal predecessors, (7684), 17 states have call successors, (17), 10 states have call predecessors, (17), 10 states have return successors, (19), 17 states have call predecessors, (19), 17 states have call successors, (19) [2021-11-04 04:47:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 5217 states and 7720 transitions. [2021-11-04 04:47:03,996 INFO L78 Accepts]: Start accepts. Automaton has 5217 states and 7720 transitions. Word has length 42 [2021-11-04 04:47:03,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:47:03,997 INFO L470 AbstractCegarLoop]: Abstraction has 5217 states and 7720 transitions. [2021-11-04 04:47:03,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:47:04,000 INFO L276 IsEmpty]: Start isEmpty. Operand 5217 states and 7720 transitions. [2021-11-04 04:47:04,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-04 04:47:04,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:47:04,007 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 04:47:04,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 04:47:04,008 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, __acpi_processor_startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-04 04:47:04,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:47:04,010 INFO L85 PathProgramCache]: Analyzing trace with hash -2086247711, now seen corresponding path program 1 times [2021-11-04 04:47:04,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:47:04,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471454570] [2021-11-04 04:47:04,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:47:04,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:47:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:47:04,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 04:47:04,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:47:04,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471454570] [2021-11-04 04:47:04,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471454570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:47:04,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:47:04,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:47:04,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459892260] [2021-11-04 04:47:04,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:47:04,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 04:47:04,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:47:04,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 04:47:04,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:47:04,596 INFO L87 Difference]: Start difference. First operand 5217 states and 7720 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:47:06,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:47:15,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:47:20,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:47:24,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:47:34,897 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:47:42,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:47:44,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:47:56,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:47:58,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:48:02,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:48:02,041 INFO L93 Difference]: Finished difference Result 13199 states and 19462 transitions. [2021-11-04 04:48:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 04:48:02,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-04 04:48:02,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:48:02,084 INFO L225 Difference]: With dead ends: 13199 [2021-11-04 04:48:02,084 INFO L226 Difference]: Without dead ends: 8003 [2021-11-04 04:48:02,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.28ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:48:02,101 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 3067 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 9800 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52691.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 9810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 63.79ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9800 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56687.45ms IncrementalHoareTripleChecker+Time [2021-11-04 04:48:02,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3069 Valid, 48 Invalid, 9810 Unknown, 0 Unchecked, 63.79ms Time], IncrementalHoareTripleChecker [1 Valid, 9800 Invalid, 9 Unknown, 0 Unchecked, 56687.45ms Time] [2021-11-04 04:48:02,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8003 states. [2021-11-04 04:48:02,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8003 to 7995. [2021-11-04 04:48:02,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7995 states, 7953 states have (on average 1.4722746133534514) internal successors, (11709), 7956 states have internal predecessors, (11709), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (27), 23 states have call predecessors, (27), 23 states have call successors, (27) [2021-11-04 04:48:02,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7995 states to 7995 states and 11759 transitions. [2021-11-04 04:48:02,334 INFO L78 Accepts]: Start accepts. Automaton has 7995 states and 11759 transitions. Word has length 51 [2021-11-04 04:48:02,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:48:02,334 INFO L470 AbstractCegarLoop]: Abstraction has 7995 states and 11759 transitions. [2021-11-04 04:48:02,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:48:02,334 INFO L276 IsEmpty]: Start isEmpty. Operand 7995 states and 11759 transitions. [2021-11-04 04:48:02,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-04 04:48:02,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:48:02,342 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-04 04:48:02,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 04:48:02,343 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, __acpi_processor_startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-04 04:48:02,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:48:02,344 INFO L85 PathProgramCache]: Analyzing trace with hash -622936242, now seen corresponding path program 1 times [2021-11-04 04:48:02,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:48:02,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636983603] [2021-11-04 04:48:02,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:48:02,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:48:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:48:02,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 04:48:02,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:48:02,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636983603] [2021-11-04 04:48:02,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636983603] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:48:02,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:48:02,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 04:48:02,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076461717] [2021-11-04 04:48:02,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:48:02,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 04:48:02,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:48:02,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 04:48:02,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 04:48:02,888 INFO L87 Difference]: Start difference. First operand 7995 states and 11759 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:48:05,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:48:16,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:48:18,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:48:24,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:48:39,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:48:48,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:48:59,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:49:02,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:49:05,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:49:05,140 INFO L93 Difference]: Finished difference Result 16437 states and 24222 transitions. [2021-11-04 04:49:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-04 04:49:05,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-04 04:49:05,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:49:05,185 INFO L225 Difference]: With dead ends: 16437 [2021-11-04 04:49:05,186 INFO L226 Difference]: Without dead ends: 8463 [2021-11-04 04:49:05,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 78.05ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 04:49:05,211 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 457 mSDsluCounter, 7870 mSDsCounter, 0 mSdLazyCounter, 11759 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57669.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 11769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 107.31ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11759 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61592.05ms IncrementalHoareTripleChecker+Time [2021-11-04 04:49:05,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [457 Valid, 55 Invalid, 11769 Unknown, 0 Unchecked, 107.31ms Time], IncrementalHoareTripleChecker [2 Valid, 11759 Invalid, 8 Unknown, 0 Unchecked, 61592.05ms Time] [2021-11-04 04:49:05,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8463 states. [2021-11-04 04:49:05,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8463 to 8155. [2021-11-04 04:49:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8155 states, 8111 states have (on average 1.4723215386512143) internal successors, (11942), 8115 states have internal predecessors, (11942), 24 states have call successors, (24), 15 states have call predecessors, (24), 16 states have return successors, (29), 24 states have call predecessors, (29), 24 states have call successors, (29) [2021-11-04 04:49:05,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8155 states to 8155 states and 11995 transitions. [2021-11-04 04:49:05,437 INFO L78 Accepts]: Start accepts. Automaton has 8155 states and 11995 transitions. Word has length 60 [2021-11-04 04:49:05,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:49:05,437 INFO L470 AbstractCegarLoop]: Abstraction has 8155 states and 11995 transitions. [2021-11-04 04:49:05,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:49:05,439 INFO L276 IsEmpty]: Start isEmpty. Operand 8155 states and 11995 transitions. [2021-11-04 04:49:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-04 04:49:05,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:49:05,445 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-04 04:49:05,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 04:49:05,446 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, __acpi_processor_startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-04 04:49:05,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:49:05,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1651956351, now seen corresponding path program 1 times [2021-11-04 04:49:05,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:49:05,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729165373] [2021-11-04 04:49:05,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:49:05,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:49:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:49:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 04:49:05,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:49:05,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729165373] [2021-11-04 04:49:05,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729165373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:49:05,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:49:05,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 04:49:05,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460159303] [2021-11-04 04:49:05,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:49:05,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 04:49:05,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:49:05,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 04:49:05,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 04:49:05,967 INFO L87 Difference]: Start difference. First operand 8155 states and 11995 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:49:08,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:49:19,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:49:24,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:49:26,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:49:28,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:49:44,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:49:53,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:50:05,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:50:05,785 INFO L93 Difference]: Finished difference Result 16301 states and 24015 transitions. [2021-11-04 04:50:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 04:50:05,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-04 04:50:05,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:50:05,824 INFO L225 Difference]: With dead ends: 16301 [2021-11-04 04:50:05,824 INFO L226 Difference]: Without dead ends: 8167 [2021-11-04 04:50:05,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 62.58ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 04:50:05,852 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 7869 mSDsCounter, 0 mSdLazyCounter, 11762 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55292.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 11770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 75.03ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11762 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59253.31ms IncrementalHoareTripleChecker+Time [2021-11-04 04:50:05,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 54 Invalid, 11770 Unknown, 0 Unchecked, 75.03ms Time], IncrementalHoareTripleChecker [2 Valid, 11762 Invalid, 6 Unknown, 0 Unchecked, 59253.31ms Time] [2021-11-04 04:50:05,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8167 states. [2021-11-04 04:50:06,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8167 to 8164. [2021-11-04 04:50:06,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8164 states, 8120 states have (on average 1.4717980295566502) internal successors, (11951), 8124 states have internal predecessors, (11951), 24 states have call successors, (24), 15 states have call predecessors, (24), 16 states have return successors, (29), 24 states have call predecessors, (29), 24 states have call successors, (29) [2021-11-04 04:50:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8164 states to 8164 states and 12004 transitions. [2021-11-04 04:50:06,077 INFO L78 Accepts]: Start accepts. Automaton has 8164 states and 12004 transitions. Word has length 64 [2021-11-04 04:50:06,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:50:06,077 INFO L470 AbstractCegarLoop]: Abstraction has 8164 states and 12004 transitions. [2021-11-04 04:50:06,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:50:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 8164 states and 12004 transitions. [2021-11-04 04:50:06,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-04 04:50:06,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:50:06,085 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-04 04:50:06,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 04:50:06,091 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, __acpi_processor_startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-04 04:50:06,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:50:06,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1631893695, now seen corresponding path program 1 times [2021-11-04 04:50:06,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:50:06,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112934819] [2021-11-04 04:50:06,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:50:06,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:50:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:50:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 04:50:06,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:50:06,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112934819] [2021-11-04 04:50:06,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112934819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:50:06,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:50:06,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:50:06,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250225815] [2021-11-04 04:50:06,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:50:06,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 04:50:06,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:50:06,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 04:50:06,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:50:06,760 INFO L87 Difference]: Start difference. First operand 8164 states and 12004 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:50:08,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:50:18,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:50:23,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:50:35,138 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:50:42,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:50:50,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:50:50,962 INFO L93 Difference]: Finished difference Result 16310 states and 24018 transitions. [2021-11-04 04:50:50,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 04:50:50,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-04 04:50:50,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:50:51,003 INFO L225 Difference]: With dead ends: 16310 [2021-11-04 04:50:51,004 INFO L226 Difference]: Without dead ends: 8167 [2021-11-04 04:50:51,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.97ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:50:51,029 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 3933 mSDsCounter, 0 mSdLazyCounter, 7841 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40738.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 7846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7841 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43774.55ms IncrementalHoareTripleChecker+Time [2021-11-04 04:50:51,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 7846 Unknown, 0 Unchecked, 45.12ms Time], IncrementalHoareTripleChecker [0 Valid, 7841 Invalid, 5 Unknown, 0 Unchecked, 43774.55ms Time] [2021-11-04 04:50:51,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8167 states. [2021-11-04 04:50:51,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8167 to 8167. [2021-11-04 04:50:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8167 states, 8123 states have (on average 1.4716237843161393) internal successors, (11954), 8127 states have internal predecessors, (11954), 24 states have call successors, (24), 15 states have call predecessors, (24), 16 states have return successors, (29), 24 states have call predecessors, (29), 24 states have call successors, (29) [2021-11-04 04:50:51,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8167 states to 8167 states and 12007 transitions. [2021-11-04 04:50:51,204 INFO L78 Accepts]: Start accepts. Automaton has 8167 states and 12007 transitions. Word has length 64 [2021-11-04 04:50:51,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:50:51,206 INFO L470 AbstractCegarLoop]: Abstraction has 8167 states and 12007 transitions. [2021-11-04 04:50:51,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:50:51,207 INFO L276 IsEmpty]: Start isEmpty. Operand 8167 states and 12007 transitions. [2021-11-04 04:50:51,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-04 04:50:51,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:50:51,212 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-04 04:50:51,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 04:50:51,213 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, __acpi_processor_startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-04 04:50:51,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:50:51,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1574635393, now seen corresponding path program 1 times [2021-11-04 04:50:51,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:50:51,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939642405] [2021-11-04 04:50:51,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:50:51,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:50:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:50:51,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 04:50:51,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:50:51,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939642405] [2021-11-04 04:50:51,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939642405] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:50:51,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:50:51,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 04:50:51,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063647244] [2021-11-04 04:50:51,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:50:51,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 04:50:51,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:50:51,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 04:50:51,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:50:51,670 INFO L87 Difference]: Start difference. First operand 8167 states and 12007 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:50:53,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:50:59,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:51:03,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:51:11,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:51:14,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:51:18,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:51:29,238 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:51:35,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:51:35,627 INFO L93 Difference]: Finished difference Result 9729 states and 14330 transitions. [2021-11-04 04:51:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 04:51:35,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-04 04:51:35,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:51:35,665 INFO L225 Difference]: With dead ends: 9729 [2021-11-04 04:51:35,665 INFO L226 Difference]: Without dead ends: 9721 [2021-11-04 04:51:35,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.06ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:51:35,674 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 3790 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 6209 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39582.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3792 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 6219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.72ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6209 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43479.55ms IncrementalHoareTripleChecker+Time [2021-11-04 04:51:35,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3792 Valid, 33 Invalid, 6219 Unknown, 0 Unchecked, 37.72ms Time], IncrementalHoareTripleChecker [3 Valid, 6209 Invalid, 7 Unknown, 0 Unchecked, 43479.55ms Time] [2021-11-04 04:51:35,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9721 states. [2021-11-04 04:51:35,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9721 to 9567. [2021-11-04 04:51:35,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9567 states, 9513 states have (on average 1.473562493430043) internal successors, (14018), 9517 states have internal predecessors, (14018), 29 states have call successors, (29), 20 states have call predecessors, (29), 21 states have return successors, (37), 29 states have call predecessors, (37), 29 states have call successors, (37) [2021-11-04 04:51:35,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9567 states to 9567 states and 14084 transitions. [2021-11-04 04:51:35,900 INFO L78 Accepts]: Start accepts. Automaton has 9567 states and 14084 transitions. Word has length 64 [2021-11-04 04:51:35,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:51:35,901 INFO L470 AbstractCegarLoop]: Abstraction has 9567 states and 14084 transitions. [2021-11-04 04:51:35,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:51:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 9567 states and 14084 transitions. [2021-11-04 04:51:35,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-04 04:51:35,909 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:51:35,910 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-04 04:51:35,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-04 04:51:35,910 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, __acpi_processor_startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-04 04:51:35,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:51:35,911 INFO L85 PathProgramCache]: Analyzing trace with hash 205713639, now seen corresponding path program 1 times [2021-11-04 04:51:35,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:51:35,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674548899] [2021-11-04 04:51:35,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:51:35,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:51:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:51:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 04:51:36,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:51:36,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674548899] [2021-11-04 04:51:36,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674548899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:51:36,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:51:36,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 04:51:36,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370981455] [2021-11-04 04:51:36,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:51:36,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 04:51:36,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:51:36,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 04:51:36,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:51:36,396 INFO L87 Difference]: Start difference. First operand 9567 states and 14084 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:51:38,559 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:51:44,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:51:47,153 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:51:51,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:52:01,105 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:52:07,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:52:13,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:52:20,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:52:23,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:52:23,751 INFO L93 Difference]: Finished difference Result 11940 states and 17650 transitions. [2021-11-04 04:52:23,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 04:52:23,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-04 04:52:23,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:52:23,793 INFO L225 Difference]: With dead ends: 11940 [2021-11-04 04:52:23,794 INFO L226 Difference]: Without dead ends: 11938 [2021-11-04 04:52:23,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.73ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:52:23,804 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 2796 mSDsluCounter, 2153 mSDsCounter, 0 mSdLazyCounter, 6070 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42811.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2800 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 6077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.97ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6070 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46867.95ms IncrementalHoareTripleChecker+Time [2021-11-04 04:52:23,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2800 Valid, 31 Invalid, 6077 Unknown, 0 Unchecked, 37.97ms Time], IncrementalHoareTripleChecker [0 Valid, 6070 Invalid, 7 Unknown, 0 Unchecked, 46867.95ms Time] [2021-11-04 04:52:23,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11938 states. [2021-11-04 04:52:24,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11938 to 11898. [2021-11-04 04:52:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11898 states, 11822 states have (on average 1.4790221620707156) internal successors, (17485), 11827 states have internal predecessors, (17485), 38 states have call successors, (38), 32 states have call predecessors, (38), 34 states have return successors, (60), 38 states have call predecessors, (60), 38 states have call successors, (60) [2021-11-04 04:52:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11898 states to 11898 states and 17583 transitions. [2021-11-04 04:52:24,070 INFO L78 Accepts]: Start accepts. Automaton has 11898 states and 17583 transitions. Word has length 68 [2021-11-04 04:52:24,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:52:24,071 INFO L470 AbstractCegarLoop]: Abstraction has 11898 states and 17583 transitions. [2021-11-04 04:52:24,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:52:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 11898 states and 17583 transitions. [2021-11-04 04:52:24,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-04 04:52:24,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:52:24,081 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-04 04:52:24,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-04 04:52:24,082 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, __acpi_processor_startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-04 04:52:24,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:52:24,086 INFO L85 PathProgramCache]: Analyzing trace with hash -241609135, now seen corresponding path program 1 times [2021-11-04 04:52:24,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:52:24,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941665315] [2021-11-04 04:52:24,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:52:24,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:52:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:52:24,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 04:52:24,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:52:24,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941665315] [2021-11-04 04:52:24,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941665315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:52:24,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:52:24,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:52:24,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049196087] [2021-11-04 04:52:24,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:52:24,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 04:52:24,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:52:24,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 04:52:24,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:52:24,525 INFO L87 Difference]: Start difference. First operand 11898 states and 17583 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:52:26,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:52:36,613 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:52:42,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:52:55,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:53:02,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:53:13,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:53:13,231 INFO L93 Difference]: Finished difference Result 23777 states and 35195 transitions. [2021-11-04 04:53:13,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 04:53:13,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-04 04:53:13,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:53:13,275 INFO L225 Difference]: With dead ends: 23777 [2021-11-04 04:53:13,275 INFO L226 Difference]: Without dead ends: 11900 [2021-11-04 04:53:13,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.81ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:53:13,309 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 3933 mSDsCounter, 0 mSdLazyCounter, 7841 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44001.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 7846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7841 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48216.35ms IncrementalHoareTripleChecker+Time [2021-11-04 04:53:13,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 7846 Unknown, 0 Unchecked, 42.59ms Time], IncrementalHoareTripleChecker [0 Valid, 7841 Invalid, 5 Unknown, 0 Unchecked, 48216.35ms Time] [2021-11-04 04:53:13,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11900 states. [2021-11-04 04:53:13,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11900 to 11900. [2021-11-04 04:53:13,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11900 states, 11824 states have (on average 1.4789411366711773) internal successors, (17487), 11829 states have internal predecessors, (17487), 38 states have call successors, (38), 32 states have call predecessors, (38), 34 states have return successors, (60), 38 states have call predecessors, (60), 38 states have call successors, (60) [2021-11-04 04:53:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11900 states to 11900 states and 17585 transitions. [2021-11-04 04:53:13,582 INFO L78 Accepts]: Start accepts. Automaton has 11900 states and 17585 transitions. Word has length 77 [2021-11-04 04:53:13,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:53:13,582 INFO L470 AbstractCegarLoop]: Abstraction has 11900 states and 17585 transitions. [2021-11-04 04:53:13,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:53:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand 11900 states and 17585 transitions. [2021-11-04 04:53:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-04 04:53:13,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:53:13,597 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-04 04:53:13,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-04 04:53:13,597 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, __acpi_processor_startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-04 04:53:13,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:53:13,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2047047469, now seen corresponding path program 1 times [2021-11-04 04:53:13,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:53:13,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812857117] [2021-11-04 04:53:13,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:53:13,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:53:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:53:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 04:53:14,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:53:14,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812857117] [2021-11-04 04:53:14,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812857117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:53:14,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:53:14,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 04:53:14,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249532606] [2021-11-04 04:53:14,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:53:14,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 04:53:14,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:53:14,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 04:53:14,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 04:53:14,039 INFO L87 Difference]: Start difference. First operand 11900 states and 17585 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:53:16,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:53:29,295 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:53:34,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:53:38,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:53:42,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:54:00,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:54:10,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:54:24,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:54:24,784 INFO L93 Difference]: Finished difference Result 23785 states and 35203 transitions. [2021-11-04 04:54:24,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 04:54:24,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-04 04:54:24,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:54:24,830 INFO L225 Difference]: With dead ends: 23785 [2021-11-04 04:54:24,831 INFO L226 Difference]: Without dead ends: 11906 [2021-11-04 04:54:24,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 70.90ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 04:54:24,860 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 7866 mSDsCounter, 0 mSdLazyCounter, 11759 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63816.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 11767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 75.10ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11759 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70114.44ms IncrementalHoareTripleChecker+Time [2021-11-04 04:54:24,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 54 Invalid, 11767 Unknown, 0 Unchecked, 75.10ms Time], IncrementalHoareTripleChecker [1 Valid, 11759 Invalid, 7 Unknown, 0 Unchecked, 70114.44ms Time] [2021-11-04 04:54:24,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11906 states. [2021-11-04 04:54:25,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11906 to 11904. [2021-11-04 04:54:25,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11904 states, 11828 states have (on average 1.4787791680757525) internal successors, (17491), 11833 states have internal predecessors, (17491), 38 states have call successors, (38), 32 states have call predecessors, (38), 34 states have return successors, (60), 38 states have call predecessors, (60), 38 states have call successors, (60) [2021-11-04 04:54:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11904 states to 11904 states and 17589 transitions. [2021-11-04 04:54:25,111 INFO L78 Accepts]: Start accepts. Automaton has 11904 states and 17589 transitions. Word has length 77 [2021-11-04 04:54:25,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:54:25,112 INFO L470 AbstractCegarLoop]: Abstraction has 11904 states and 17589 transitions. [2021-11-04 04:54:25,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:54:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 11904 states and 17589 transitions. [2021-11-04 04:54:25,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-04 04:54:25,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:54:25,122 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-04 04:54:25,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-04 04:54:25,123 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION === [acpi_processor_get_throttling_infoErr0ASSERT_VIOLATIONERROR_FUNCTION, __acpi_processor_startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-04 04:54:25,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:54:25,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1906498859, now seen corresponding path program 1 times [2021-11-04 04:54:25,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:54:25,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906471111] [2021-11-04 04:54:25,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:54:25,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:54:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:54:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 04:54:25,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:54:25,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906471111] [2021-11-04 04:54:25,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906471111] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:54:25,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:54:25,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 04:54:25,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816201941] [2021-11-04 04:54:25,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:54:25,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 04:54:25,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:54:25,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 04:54:25,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 04:54:25,659 INFO L87 Difference]: Start difference. First operand 11904 states and 17589 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 04:54:27,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:54:41,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:54:46,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:54:49,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:54:54,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15