./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:17:56,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:17:56,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:17:56,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:17:56,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:17:56,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:17:56,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:17:56,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:17:56,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:17:56,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:17:56,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:17:56,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:17:56,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:17:56,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:17:56,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:17:56,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:17:56,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:17:56,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:17:56,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:17:56,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:17:56,606 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:17:56,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:17:56,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:17:56,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:17:56,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:17:56,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:17:56,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:17:56,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:17:56,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:17:56,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:17:56,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:17:56,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:17:56,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:17:56,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:17:56,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:17:56,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:17:56,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:17:56,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:17:56,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:17:56,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:17:56,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:17:56,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:17:56,629 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:17:56,654 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:17:56,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:17:56,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:17:56,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:17:56,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:17:56,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:17:56,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:17:56,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:17:56,657 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:17:56,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:17:56,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:17:56,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:17:56,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:17:56,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:17:56,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:17:56,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:17:56,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:17:56,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:17:56,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:17:56,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:17:56,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:17:56,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:17:56,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:17:56,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:17:56,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:17:56,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:17:56,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:17:56,669 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:17:56,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:17:56,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:17:56,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe [2022-07-21 11:17:56,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:17:56,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:17:56,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:17:56,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:17:56,976 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:17:56,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2022-07-21 11:17:57,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79e5c38ff/ba1c249167ba4091a3c730bdaec648d4/FLAGc534069ee [2022-07-21 11:17:57,721 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:17:57,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2022-07-21 11:17:57,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79e5c38ff/ba1c249167ba4091a3c730bdaec648d4/FLAGc534069ee [2022-07-21 11:17:58,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79e5c38ff/ba1c249167ba4091a3c730bdaec648d4 [2022-07-21 11:17:58,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:17:58,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:17:58,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:17:58,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:17:58,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:17:58,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:17:58" (1/1) ... [2022-07-21 11:17:58,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16fa1681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:17:58, skipping insertion in model container [2022-07-21 11:17:58,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:17:58" (1/1) ... [2022-07-21 11:17:58,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:17:58,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:17:58,526 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-07-21 11:17:58,526 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2022-07-21 11:17:58,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i[110980,110993] [2022-07-21 11:17:59,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:17:59,720 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:17:59,796 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-07-21 11:17:59,797 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3831-3832] [2022-07-21 11:17:59,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i[110980,110993] [2022-07-21 11:18:00,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:18:00,126 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:18:00,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00 WrapperNode [2022-07-21 11:18:00,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:18:00,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:18:00,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:18:00,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:18:00,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00" (1/1) ... [2022-07-21 11:18:00,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00" (1/1) ... [2022-07-21 11:18:00,477 INFO L137 Inliner]: procedures = 274, calls = 3128, calls flagged for inlining = 114, calls inlined = 96, statements flattened = 6499 [2022-07-21 11:18:00,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:18:00,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:18:00,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:18:00,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:18:00,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00" (1/1) ... [2022-07-21 11:18:00,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00" (1/1) ... [2022-07-21 11:18:00,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00" (1/1) ... [2022-07-21 11:18:00,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00" (1/1) ... [2022-07-21 11:18:00,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00" (1/1) ... [2022-07-21 11:18:00,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00" (1/1) ... [2022-07-21 11:18:00,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00" (1/1) ... [2022-07-21 11:18:00,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:18:00,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:18:00,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:18:00,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:18:00,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00" (1/1) ... [2022-07-21 11:18:00,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:18:00,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:18:00,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:18:00,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:18:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2022-07-21 11:18:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_link [2022-07-21 11:18:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2022-07-21 11:18:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2022-07-21 11:18:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:18:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:18:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:18:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:18:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling [2022-07-21 11:18:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling [2022-07-21 11:18:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_msr [2022-07-21 11:18:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_msr [2022-07-21 11:18:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-21 11:18:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-21 11:18:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling_info [2022-07-21 11:18:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling_info [2022-07-21 11:18:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 11:18:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 11:18:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_write_bit_register [2022-07-21 11:18:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_write_bit_register [2022-07-21 11:18:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit___0 [2022-07-21 11:18:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit___0 [2022-07-21 11:18:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_disable_device [2022-07-21 11:18:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_disable_device [2022-07-21 11:18:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:18:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:18:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 11:18:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next_and [2022-07-21 11:18:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next_and [2022-07-21 11:18:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-21 11:18:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-21 11:18:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_resume [2022-07-21 11:18:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_resume [2022-07-21 11:18:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit [2022-07-21 11:18:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit [2022-07-21 11:18:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:18:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:18:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_resume_and_unlock [2022-07-21 11:18:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_resume_and_unlock [2022-07-21 11:18:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:18:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:18:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-21 11:18:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-21 11:18:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_init [2022-07-21 11:18:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_init [2022-07-21 11:18:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:18:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:18:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:18:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:18:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2022-07-21 11:18:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_link [2022-07-21 11:18:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_copy [2022-07-21 11:18:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_copy [2022-07-21 11:18:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_states [2022-07-21 11:18:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_states [2022-07-21 11:18:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:18:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-21 11:18:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-21 11:18:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure x86_this_cpu_constant_test_bit [2022-07-21 11:18:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure x86_this_cpu_constant_test_bit [2022-07-21 11:18:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-21 11:18:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-21 11:18:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure free_cpumask_var [2022-07-21 11:18:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure free_cpumask_var [2022-07-21 11:18:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:18:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_clear [2022-07-21 11:18:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_clear [2022-07-21 11:18:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_performance_info [2022-07-21 11:18:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_performance_info [2022-07-21 11:18:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_pause_and_lock [2022-07-21 11:18:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_pause_and_lock [2022-07-21 11:18:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure zalloc_cpumask_var [2022-07-21 11:18:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure zalloc_cpumask_var [2022-07-21 11:18:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:18:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:18:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_driver_data [2022-07-21 11:18:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_driver_data [2022-07-21 11:18:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 11:18:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 11:18:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2022-07-21 11:18:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2022-07-21 11:18:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:18:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:18:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-21 11:18:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-21 11:18:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure work_on_cpu [2022-07-21 11:18:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure work_on_cpu [2022-07-21 11:18:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-21 11:18:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-21 11:18:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_has_changed [2022-07-21 11:18:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_has_changed [2022-07-21 11:18:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure __acpi_processor_start [2022-07-21 11:18:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __acpi_processor_start [2022-07-21 11:18:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:18:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:18:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:18:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_set_cur_state [2022-07-21 11:18:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_set_cur_state [2022-07-21 11:18:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_throttling_notifier [2022-07-21 11:18:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_throttling_notifier [2022-07-21 11:18:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:18:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_unregister_notifier [2022-07-21 11:18:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_unregister_notifier [2022-07-21 11:18:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:18:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:18:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:18:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_set_cpu [2022-07-21 11:18:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_set_cpu [2022-07-21 11:18:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_start [2022-07-21 11:18:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_start [2022-07-21 11:18:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_set_throttling [2022-07-21 11:18:00,801 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_set_throttling [2022-07-21 11:18:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 11:18:00,801 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 11:18:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 11:18:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 11:18:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_max_state [2022-07-21 11:18:00,803 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_max_state [2022-07-21 11:18:00,803 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:18:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:18:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_update_policy [2022-07-21 11:18:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_update_policy [2022-07-21 11:18:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:18:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_has_method [2022-07-21 11:18:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_has_method [2022-07-21 11:18:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_register_notifier [2022-07-21 11:18:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_register_notifier [2022-07-21 11:18:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:18:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:18:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_read_bit_register [2022-07-21 11:18:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_read_bit_register [2022-07-21 11:18:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_reevaluate_tstate [2022-07-21 11:18:00,810 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_reevaluate_tstate [2022-07-21 11:18:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_get_max_state [2022-07-21 11:18:00,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_get_max_state [2022-07-21 11:18:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure set_cpus_allowed_ptr [2022-07-21 11:18:00,810 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cpus_allowed_ptr [2022-07-21 11:18:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure phys_package_first_cpu [2022-07-21 11:18:00,810 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_package_first_cpu [2022-07-21 11:18:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:18:00,810 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2022-07-21 11:18:00,810 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2022-07-21 11:18:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:18:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-21 11:18:00,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-21 11:18:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_cx [2022-07-21 11:18:00,811 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_cx [2022-07-21 11:18:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_ost [2022-07-21 11:18:00,811 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_ost [2022-07-21 11:18:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure thermal_cooling_device_unregister [2022-07-21 11:18:00,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thermal_cooling_device_unregister [2022-07-21 11:18:00,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:18:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 11:18:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure disabled_by_idle_boot_param [2022-07-21 11:18:00,812 INFO L138 BoogieDeclarations]: Found implementation of procedure disabled_by_idle_boot_param [2022-07-21 11:18:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 11:18:00,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 11:18:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_verify_within_limits [2022-07-21 11:18:00,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_verify_within_limits [2022-07-21 11:18:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-07-21 11:18:00,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-07-21 11:18:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_exit [2022-07-21 11:18:00,813 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_exit [2022-07-21 11:18:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_power_info [2022-07-21 11:18:00,813 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_power_info [2022-07-21 11:18:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_get_driver [2022-07-21 11:18:00,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_get_driver [2022-07-21 11:18:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_extract_package [2022-07-21 11:18:00,813 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_extract_package [2022-07-21 11:18:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_unregister_driver [2022-07-21 11:18:00,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_unregister_driver [2022-07-21 11:18:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_stop [2022-07-21 11:18:00,813 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_stop [2022-07-21 11:18:00,814 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_tstate_has_changed [2022-07-21 11:18:00,814 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_tstate_has_changed [2022-07-21 11:18:00,814 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_enable_device [2022-07-21 11:18:00,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_enable_device [2022-07-21 11:18:00,814 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 11:18:00,814 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 11:18:00,814 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_os_write_port [2022-07-21 11:18:00,814 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_os_write_port [2022-07-21 11:18:00,814 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-21 11:18:00,814 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-21 11:18:00,815 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_has_cpufreq [2022-07-21 11:18:00,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_has_cpufreq [2022-07-21 11:18:00,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:18:00,815 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 11:18:00,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:18:00,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:18:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 11:18:00,816 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 11:18:01,475 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:18:01,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:18:01,681 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:20:22,223 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:20:22,234 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:20:22,235 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:20:22,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:20:22 BoogieIcfgContainer [2022-07-21 11:20:22,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:20:22,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:20:22,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:20:22,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:20:22,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:17:58" (1/3) ... [2022-07-21 11:20:22,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcf3c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:20:22, skipping insertion in model container [2022-07-21 11:20:22,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:18:00" (2/3) ... [2022-07-21 11:20:22,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcf3c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:20:22, skipping insertion in model container [2022-07-21 11:20:22,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:20:22" (3/3) ... [2022-07-21 11:20:22,243 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--acpi--processor.ko-entry_point.cil.out.i [2022-07-21 11:20:22,251 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:20:22,252 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:20:22,312 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:20:22,317 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5186ed2c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@12018004 [2022-07-21 11:20:22,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:20:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 1720 states, 1364 states have (on average 1.4765395894428153) internal successors, (2014), 1381 states have internal predecessors, (2014), 269 states have call successors, (269), 86 states have call predecessors, (269), 85 states have return successors, (261), 261 states have call predecessors, (261), 261 states have call successors, (261) [2022-07-21 11:20:22,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-21 11:20:22,344 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:20:22,345 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:20:22,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:20:22,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:20:22,348 INFO L85 PathProgramCache]: Analyzing trace with hash 310454889, now seen corresponding path program 1 times [2022-07-21 11:20:22,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:20:22,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076096529] [2022-07-21 11:20:22,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:20:22,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:20:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:20:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:20:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:20:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:20:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:20:23,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 11:20:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:20:23,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:20:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:20:23,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 11:20:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:20:23,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 11:20:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:20:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-21 11:20:23,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:20:23,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076096529] [2022-07-21 11:20:23,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076096529] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:20:23,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:20:23,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:20:23,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752708911] [2022-07-21 11:20:23,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:20:23,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:20:23,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:20:23,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:20:23,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:20:23,462 INFO L87 Difference]: Start difference. First operand has 1720 states, 1364 states have (on average 1.4765395894428153) internal successors, (2014), 1381 states have internal predecessors, (2014), 269 states have call successors, (269), 86 states have call predecessors, (269), 85 states have return successors, (261), 261 states have call predecessors, (261), 261 states have call successors, (261) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 11:20:25,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:20:31,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:20:37,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:20:41,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:20:43,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:20:46,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:20:49,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:20:52,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:20:55,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:20:57,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:00,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:21:00,479 INFO L93 Difference]: Finished difference Result 5289 states and 7920 transitions. [2022-07-21 11:21:00,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:21:00,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 71 [2022-07-21 11:21:00,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:21:00,512 INFO L225 Difference]: With dead ends: 5289 [2022-07-21 11:21:00,512 INFO L226 Difference]: Without dead ends: 3491 [2022-07-21 11:21:00,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:21:00,530 INFO L413 NwaCegarLoop]: 2995 mSDtfsCounter, 3112 mSDsluCounter, 4320 mSDsCounter, 0 mSdLazyCounter, 3057 mSolverCounterSat, 663 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3318 SdHoareTripleChecker+Valid, 7315 SdHoareTripleChecker+Invalid, 3730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 663 IncrementalHoareTripleChecker+Valid, 3057 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:21:00,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3318 Valid, 7315 Invalid, 3730 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [663 Valid, 3057 Invalid, 10 Unknown, 0 Unchecked, 36.3s Time] [2022-07-21 11:21:00,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3491 states. [2022-07-21 11:21:00,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3491 to 3328. [2022-07-21 11:21:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3328 states, 2649 states have (on average 1.4567761419403549) internal successors, (3859), 2664 states have internal predecessors, (3859), 512 states have call successors, (512), 167 states have call predecessors, (512), 166 states have return successors, (511), 510 states have call predecessors, (511), 511 states have call successors, (511) [2022-07-21 11:21:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 4882 transitions. [2022-07-21 11:21:00,683 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 4882 transitions. Word has length 71 [2022-07-21 11:21:00,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:21:00,684 INFO L495 AbstractCegarLoop]: Abstraction has 3328 states and 4882 transitions. [2022-07-21 11:21:00,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 11:21:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 4882 transitions. [2022-07-21 11:21:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-21 11:21:00,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:21:00,694 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:21:00,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:21:00,695 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:21:00,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:21:00,696 INFO L85 PathProgramCache]: Analyzing trace with hash 428123233, now seen corresponding path program 1 times [2022-07-21 11:21:00,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:21:00,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696125302] [2022-07-21 11:21:00,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:21:00,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:21:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:01,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:21:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:01,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:21:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:01,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:21:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:01,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 11:21:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:01,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 11:21:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:21:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-21 11:21:01,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:21:01,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696125302] [2022-07-21 11:21:01,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696125302] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:21:01,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:21:01,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:21:01,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072225510] [2022-07-21 11:21:01,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:21:01,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:21:01,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:21:01,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:21:01,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:21:01,389 INFO L87 Difference]: Start difference. First operand 3328 states and 4882 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 11:21:03,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:07,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:09,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:12,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:19,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:22,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:24,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:27,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:29,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:32,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:33,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:21:33,710 INFO L93 Difference]: Finished difference Result 8962 states and 13138 transitions. [2022-07-21 11:21:33,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:21:33,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 80 [2022-07-21 11:21:33,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:21:33,735 INFO L225 Difference]: With dead ends: 8962 [2022-07-21 11:21:33,735 INFO L226 Difference]: Without dead ends: 5641 [2022-07-21 11:21:33,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:21:33,746 INFO L413 NwaCegarLoop]: 4050 mSDtfsCounter, 3164 mSDsluCounter, 3772 mSDsCounter, 0 mSdLazyCounter, 2055 mSolverCounterSat, 925 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3361 SdHoareTripleChecker+Valid, 7822 SdHoareTripleChecker+Invalid, 2990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 925 IncrementalHoareTripleChecker+Valid, 2055 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:21:33,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3361 Valid, 7822 Invalid, 2990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [925 Valid, 2055 Invalid, 10 Unknown, 0 Unchecked, 31.8s Time] [2022-07-21 11:21:33,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5641 states. [2022-07-21 11:21:33,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5641 to 5373. [2022-07-21 11:21:33,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5373 states, 4270 states have (on average 1.451288056206089) internal successors, (6197), 4293 states have internal predecessors, (6197), 825 states have call successors, (825), 278 states have call predecessors, (825), 277 states have return successors, (824), 823 states have call predecessors, (824), 824 states have call successors, (824) [2022-07-21 11:21:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5373 states to 5373 states and 7846 transitions. [2022-07-21 11:21:33,876 INFO L78 Accepts]: Start accepts. Automaton has 5373 states and 7846 transitions. Word has length 80 [2022-07-21 11:21:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:21:33,876 INFO L495 AbstractCegarLoop]: Abstraction has 5373 states and 7846 transitions. [2022-07-21 11:21:33,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 11:21:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 5373 states and 7846 transitions. [2022-07-21 11:21:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-21 11:21:33,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:21:33,882 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:21:33,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:21:33,883 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:21:33,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:21:33,883 INFO L85 PathProgramCache]: Analyzing trace with hash -19882466, now seen corresponding path program 1 times [2022-07-21 11:21:33,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:21:33,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660828984] [2022-07-21 11:21:33,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:21:33,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:21:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:21:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:21:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:34,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:21:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 11:21:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:21:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 11:21:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:21:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:21:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-21 11:21:34,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:21:34,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660828984] [2022-07-21 11:21:34,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660828984] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:21:34,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:21:34,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:21:34,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753064379] [2022-07-21 11:21:34,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:21:34,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:21:34,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:21:34,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:21:34,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:21:34,528 INFO L87 Difference]: Start difference. First operand 5373 states and 7846 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 11:21:36,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:40,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:43,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:51,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:53,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:56,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:21:57,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:21:57,830 INFO L93 Difference]: Finished difference Result 11184 states and 16411 transitions. [2022-07-21 11:21:57,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:21:57,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 98 [2022-07-21 11:21:57,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:21:57,855 INFO L225 Difference]: With dead ends: 11184 [2022-07-21 11:21:57,856 INFO L226 Difference]: Without dead ends: 5818 [2022-07-21 11:21:57,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:21:57,871 INFO L413 NwaCegarLoop]: 2384 mSDtfsCounter, 1053 mSDsluCounter, 4895 mSDsCounter, 0 mSdLazyCounter, 2043 mSolverCounterSat, 593 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 7279 SdHoareTripleChecker+Invalid, 2642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 2043 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:21:57,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 7279 Invalid, 2642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 2043 Invalid, 6 Unknown, 0 Unchecked, 22.9s Time] [2022-07-21 11:21:57,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2022-07-21 11:21:58,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 5379. [2022-07-21 11:21:58,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5379 states, 4276 states have (on average 1.4506548175865295) internal successors, (6203), 4299 states have internal predecessors, (6203), 825 states have call successors, (825), 278 states have call predecessors, (825), 277 states have return successors, (824), 823 states have call predecessors, (824), 824 states have call successors, (824) [2022-07-21 11:21:58,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 5379 states and 7852 transitions. [2022-07-21 11:21:58,030 INFO L78 Accepts]: Start accepts. Automaton has 5379 states and 7852 transitions. Word has length 98 [2022-07-21 11:21:58,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:21:58,030 INFO L495 AbstractCegarLoop]: Abstraction has 5379 states and 7852 transitions. [2022-07-21 11:21:58,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 11:21:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 7852 transitions. [2022-07-21 11:21:58,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-21 11:21:58,037 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:21:58,038 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:21:58,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:21:58,038 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:21:58,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:21:58,039 INFO L85 PathProgramCache]: Analyzing trace with hash -21239987, now seen corresponding path program 1 times [2022-07-21 11:21:58,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:21:58,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936306335] [2022-07-21 11:21:58,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:21:58,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:21:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:21:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:21:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:21:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 11:21:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:58,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:21:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:58,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 11:21:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:58,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:21:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:58,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:21:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:58,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 11:21:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:21:58,756 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-21 11:21:58,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:21:58,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936306335] [2022-07-21 11:21:58,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936306335] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:21:58,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:21:58,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:21:58,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210456434] [2022-07-21 11:21:58,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:21:58,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:21:58,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:21:58,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:21:58,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:21:58,758 INFO L87 Difference]: Start difference. First operand 5379 states and 7852 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-21 11:22:00,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:22:04,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:22:07,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:22:14,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:22:17,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:22:18,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:22:18,620 INFO L93 Difference]: Finished difference Result 11041 states and 16165 transitions. [2022-07-21 11:22:18,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:22:18,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 106 [2022-07-21 11:22:18,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:22:18,642 INFO L225 Difference]: With dead ends: 11041 [2022-07-21 11:22:18,643 INFO L226 Difference]: Without dead ends: 5669 [2022-07-21 11:22:18,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:22:18,658 INFO L413 NwaCegarLoop]: 2326 mSDtfsCounter, 1018 mSDsluCounter, 4286 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 593 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 6612 SdHoareTripleChecker+Invalid, 2360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:22:18,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 6612 Invalid, 2360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 1762 Invalid, 5 Unknown, 0 Unchecked, 19.6s Time] [2022-07-21 11:22:18,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5669 states. [2022-07-21 11:22:18,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5669 to 5382. [2022-07-21 11:22:18,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5382 states, 4279 states have (on average 1.4503388642206123) internal successors, (6206), 4302 states have internal predecessors, (6206), 825 states have call successors, (825), 278 states have call predecessors, (825), 277 states have return successors, (824), 823 states have call predecessors, (824), 824 states have call successors, (824) [2022-07-21 11:22:18,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5382 states to 5382 states and 7855 transitions. [2022-07-21 11:22:18,802 INFO L78 Accepts]: Start accepts. Automaton has 5382 states and 7855 transitions. Word has length 106 [2022-07-21 11:22:18,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:22:18,802 INFO L495 AbstractCegarLoop]: Abstraction has 5382 states and 7855 transitions. [2022-07-21 11:22:18,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-21 11:22:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 5382 states and 7855 transitions. [2022-07-21 11:22:18,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-21 11:22:18,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:22:18,814 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:22:18,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 11:22:18,814 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:22:18,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:22:18,814 INFO L85 PathProgramCache]: Analyzing trace with hash 679824591, now seen corresponding path program 1 times [2022-07-21 11:22:18,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:22:18,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225446354] [2022-07-21 11:22:18,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:22:18,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:22:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:19,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:22:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:22:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:22:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 11:22:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:22:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 11:22:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:22:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:22:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 11:22:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:19,461 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-21 11:22:19,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:22:19,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225446354] [2022-07-21 11:22:19,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225446354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:22:19,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:22:19,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:22:19,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116791449] [2022-07-21 11:22:19,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:22:19,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:22:19,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:22:19,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:22:19,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:22:19,463 INFO L87 Difference]: Start difference. First operand 5382 states and 7855 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 11:22:21,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []