./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 791161d1 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-?-791161d [2022-07-23 00:01:00,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:01:00,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:01:00,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:01:00,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:01:00,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:01:00,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:01:00,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:01:00,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:01:00,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:01:00,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:01:00,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:01:00,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:01:00,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:01:00,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:01:00,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:01:00,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:01:00,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:01:00,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:01:00,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:01:00,928 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:01:00,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:01:00,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:01:00,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:01:00,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:01:00,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:01:00,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:01:00,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:01:00,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:01:00,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:01:00,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:01:00,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:01:00,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:01:00,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:01:00,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:01:00,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:01:00,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:01:00,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:01:00,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:01:00,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:01:00,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:01:00,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:01:00,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:01:00,983 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:01:00,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:01:00,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:01:00,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:01:00,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:01:00,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:01:00,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:01:00,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:01:00,987 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:01:00,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:01:00,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:01:00,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:01:00,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:01:00,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:01:00,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:01:00,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:01:00,989 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:01:00,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:01:00,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:01:00,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:01:00,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:01:00,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:01:00,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:01:00,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:01:00,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:01:00,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:01:00,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:01:00,991 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:01:00,991 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:01:00,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:01:00,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d1925cbb25da30e8fcdd82861b683936a2c7e348be20aa47667846f7f43a7fe [2022-07-23 00:01:01,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:01:01,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:01:01,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:01:01,265 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:01:01,266 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:01:01,267 INFO L432 ainManager$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 [2022-07-23 00:01:01,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08834e2e8/80d16817c3dc4152b512d97db63eabba/FLAG3416670c5 [2022-07-23 00:01:02,178 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:01:02,179 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 [2022-07-23 00:01:02,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08834e2e8/80d16817c3dc4152b512d97db63eabba/FLAG3416670c5 [2022-07-23 00:01:02,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08834e2e8/80d16817c3dc4152b512d97db63eabba [2022-07-23 00:01:02,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:01:02,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:01:02,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:01:02,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:01:02,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:01:02,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:01:02" (1/1) ... [2022-07-23 00:01:02,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15627e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:02, skipping insertion in model container [2022-07-23 00:01:02,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:01:02" (1/1) ... [2022-07-23 00:01:02,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:01:02,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:01:03,293 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-07-23 00:01:03,294 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] [2022-07-23 00:01:03,510 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] [2022-07-23 00:01:05,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:01:05,487 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:01:05,577 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3830] [2022-07-23 00:01:05,579 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] [2022-07-23 00:01:05,587 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] [2022-07-23 00:01:05,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:01:06,041 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:01:06,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06 WrapperNode [2022-07-23 00:01:06,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:01:06,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:01:06,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:01:06,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:01:06,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06" (1/1) ... [2022-07-23 00:01:06,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06" (1/1) ... [2022-07-23 00:01:06,461 INFO L137 Inliner]: procedures = 274, calls = 3128, calls flagged for inlining = 114, calls inlined = 96, statements flattened = 6499 [2022-07-23 00:01:06,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:01:06,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:01:06,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:01:06,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:01:06,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06" (1/1) ... [2022-07-23 00:01:06,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06" (1/1) ... [2022-07-23 00:01:06,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06" (1/1) ... [2022-07-23 00:01:06,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06" (1/1) ... [2022-07-23 00:01:06,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06" (1/1) ... [2022-07-23 00:01:06,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06" (1/1) ... [2022-07-23 00:01:06,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06" (1/1) ... [2022-07-23 00:01:06,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:01:06,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:01:06,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:01:06,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:01:06,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06" (1/1) ... [2022-07-23 00:01:06,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:01:07,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:01:07,041 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) [2022-07-23 00:01:07,088 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 [2022-07-23 00:01:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_link [2022-07-23 00:01:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_link [2022-07-23 00:01:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2022-07-23 00:01:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2022-07-23 00:01:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:01:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:01:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:01:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:01:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling [2022-07-23 00:01:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling [2022-07-23 00:01:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_msr [2022-07-23 00:01:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_msr [2022-07-23 00:01:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-23 00:01:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-23 00:01:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_throttling_info [2022-07-23 00:01:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_throttling_info [2022-07-23 00:01:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 00:01:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 00:01:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_write_bit_register [2022-07-23 00:01:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_write_bit_register [2022-07-23 00:01:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit___0 [2022-07-23 00:01:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit___0 [2022-07-23 00:01:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_disable_device [2022-07-23 00:01:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_disable_device [2022-07-23 00:01:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:01:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:01:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-23 00:01:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next_and [2022-07-23 00:01:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next_and [2022-07-23 00:01:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-23 00:01:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-23 00:01:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_resume [2022-07-23 00:01:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_resume [2022-07-23 00:01:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_platform_limit [2022-07-23 00:01:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_platform_limit [2022-07-23 00:01:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:01:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:01:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_resume_and_unlock [2022-07-23 00:01:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_resume_and_unlock [2022-07-23 00:01:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:01:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:01:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-23 00:01:07,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-23 00:01:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_init [2022-07-23 00:01:07,132 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_init [2022-07-23 00:01:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:01:07,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:01:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:01:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:01:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_link [2022-07-23 00:01:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_link [2022-07-23 00:01:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_copy [2022-07-23 00:01:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_copy [2022-07-23 00:01:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_states [2022-07-23 00:01:07,134 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_states [2022-07-23 00:01:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:01:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 00:01:07,134 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 00:01:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure x86_this_cpu_constant_test_bit [2022-07-23 00:01:07,134 INFO L138 BoogieDeclarations]: Found implementation of procedure x86_this_cpu_constant_test_bit [2022-07-23 00:01:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-23 00:01:07,135 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-23 00:01:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure free_cpumask_var [2022-07-23 00:01:07,135 INFO L138 BoogieDeclarations]: Found implementation of procedure free_cpumask_var [2022-07-23 00:01:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:01:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_clear [2022-07-23 00:01:07,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_clear [2022-07-23 00:01:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_performance_info [2022-07-23 00:01:07,136 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_performance_info [2022-07-23 00:01:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_pause_and_lock [2022-07-23 00:01:07,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_pause_and_lock [2022-07-23 00:01:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure zalloc_cpumask_var [2022-07-23 00:01:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure zalloc_cpumask_var [2022-07-23 00:01:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:01:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:01:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_driver_data [2022-07-23 00:01:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_driver_data [2022-07-23 00:01:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 00:01:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 00:01:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2022-07-23 00:01:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2022-07-23 00:01:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 00:01:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 00:01:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-07-23 00:01:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-07-23 00:01:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure work_on_cpu [2022-07-23 00:01:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure work_on_cpu [2022-07-23 00:01:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-23 00:01:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-23 00:01:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_has_changed [2022-07-23 00:01:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_has_changed [2022-07-23 00:01:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure __acpi_processor_start [2022-07-23 00:01:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __acpi_processor_start [2022-07-23 00:01:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 00:01:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 00:01:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 00:01:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_set_cur_state [2022-07-23 00:01:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_set_cur_state [2022-07-23 00:01:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_throttling_notifier [2022-07-23 00:01:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_throttling_notifier [2022-07-23 00:01:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 00:01:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_unregister_notifier [2022-07-23 00:01:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_unregister_notifier [2022-07-23 00:01:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:01:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:01:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:01:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_set_cpu [2022-07-23 00:01:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_set_cpu [2022-07-23 00:01:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_start [2022-07-23 00:01:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_start [2022-07-23 00:01:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_set_throttling [2022-07-23 00:01:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_set_throttling [2022-07-23 00:01:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 00:01:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 00:01:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 00:01:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 00:01:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_max_state [2022-07-23 00:01:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_max_state [2022-07-23 00:01:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:01:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:01:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_update_policy [2022-07-23 00:01:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_update_policy [2022-07-23 00:01:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:01:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_has_method [2022-07-23 00:01:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_has_method [2022-07-23 00:01:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_register_notifier [2022-07-23 00:01:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_register_notifier [2022-07-23 00:01:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:01:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:01:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_read_bit_register [2022-07-23 00:01:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_read_bit_register [2022-07-23 00:01:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_reevaluate_tstate [2022-07-23 00:01:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_reevaluate_tstate [2022-07-23 00:01:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_get_max_state [2022-07-23 00:01:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_get_max_state [2022-07-23 00:01:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure set_cpus_allowed_ptr [2022-07-23 00:01:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cpus_allowed_ptr [2022-07-23 00:01:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure phys_package_first_cpu [2022-07-23 00:01:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_package_first_cpu [2022-07-23 00:01:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:01:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2022-07-23 00:01:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2022-07-23 00:01:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:01:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-23 00:01:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-23 00:01:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_setup_cpuidle_cx [2022-07-23 00:01:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_setup_cpuidle_cx [2022-07-23 00:01:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_ppc_ost [2022-07-23 00:01:07,149 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_ppc_ost [2022-07-23 00:01:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure thermal_cooling_device_unregister [2022-07-23 00:01:07,149 INFO L138 BoogieDeclarations]: Found implementation of procedure thermal_cooling_device_unregister [2022-07-23 00:01:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:01:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 00:01:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure disabled_by_idle_boot_param [2022-07-23 00:01:07,149 INFO L138 BoogieDeclarations]: Found implementation of procedure disabled_by_idle_boot_param [2022-07-23 00:01:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 00:01:07,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 00:01:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure cpufreq_verify_within_limits [2022-07-23 00:01:07,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cpufreq_verify_within_limits [2022-07-23 00:01:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-07-23 00:01:07,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-07-23 00:01:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_power_exit [2022-07-23 00:01:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_power_exit [2022-07-23 00:01:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_get_power_info [2022-07-23 00:01:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_get_power_info [2022-07-23 00:01:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_get_driver [2022-07-23 00:01:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_get_driver [2022-07-23 00:01:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_extract_package [2022-07-23 00:01:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_extract_package [2022-07-23 00:01:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_unregister_driver [2022-07-23 00:01:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_unregister_driver [2022-07-23 00:01:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_stop [2022-07-23 00:01:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_stop [2022-07-23 00:01:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_processor_tstate_has_changed [2022-07-23 00:01:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_processor_tstate_has_changed [2022-07-23 00:01:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure cpuidle_enable_device [2022-07-23 00:01:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cpuidle_enable_device [2022-07-23 00:01:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 00:01:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 00:01:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_os_write_port [2022-07-23 00:01:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_os_write_port [2022-07-23 00:01:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-23 00:01:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-23 00:01:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_has_cpufreq [2022-07-23 00:01:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_has_cpufreq [2022-07-23 00:01:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:01:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 00:01:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:01:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:01:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 00:01:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 00:01:07,889 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:01:07,892 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:01:08,109 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:03:33,038 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:03:33,066 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:03:33,066 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:03:33,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:03:33 BoogieIcfgContainer [2022-07-23 00:03:33,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:03:33,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:03:33,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:03:33,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:03:33,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:01:02" (1/3) ... [2022-07-23 00:03:33,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0bffd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:03:33, skipping insertion in model container [2022-07-23 00:03:33,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:01:06" (2/3) ... [2022-07-23 00:03:33,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0bffd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:03:33, skipping insertion in model container [2022-07-23 00:03:33,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:03:33" (3/3) ... [2022-07-23 00:03:33,080 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 [2022-07-23 00:03:33,099 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:03:33,100 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:03:33,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:03:33,201 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@50a9ee5a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@22739258 [2022-07-23 00:03:33,202 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:03:33,217 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) [2022-07-23 00:03:33,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-23 00:03:33,255 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:03:33,257 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] [2022-07-23 00:03:33,259 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:03:33,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:03:33,266 INFO L85 PathProgramCache]: Analyzing trace with hash 310454889, now seen corresponding path program 1 times [2022-07-23 00:03:33,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:03:33,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906875104] [2022-07-23 00:03:33,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:03:33,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:03:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:03:34,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:03:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:03:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:03:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:03:34,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:03:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:03:34,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 00:03:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:03:34,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 00:03:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:03:34,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 00:03:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:03:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-23 00:03:34,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:03:34,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906875104] [2022-07-23 00:03:34,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906875104] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:03:34,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:03:34,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:03:34,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566218445] [2022-07-23 00:03:34,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:03:34,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:03:34,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:03:34,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:03:34,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:03:34,801 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) [2022-07-23 00:03:36,969 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 [] [2022-07-23 00:03:43,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:03:49,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:03:53,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:03:56,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:03:59,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:02,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:05,312 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 [] [2022-07-23 00:04:08,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:04:08,232 INFO L93 Difference]: Finished difference Result 5289 states and 7920 transitions. [2022-07-23 00:04:08,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:04:08,245 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 [2022-07-23 00:04:08,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:04:08,298 INFO L225 Difference]: With dead ends: 5289 [2022-07-23 00:04:08,299 INFO L226 Difference]: Without dead ends: 3491 [2022-07-23 00:04:08,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:04:08,317 INFO L413 NwaCegarLoop]: 2994 mSDtfsCounter, 3112 mSDsluCounter, 4317 mSDsCounter, 0 mSdLazyCounter, 3059 mSolverCounterSat, 663 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3318 SdHoareTripleChecker+Valid, 7311 SdHoareTripleChecker+Invalid, 3730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 663 IncrementalHoareTripleChecker+Valid, 3059 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:04:08,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3318 Valid, 7311 Invalid, 3730 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [663 Valid, 3059 Invalid, 8 Unknown, 0 Unchecked, 32.7s Time] [2022-07-23 00:04:08,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3491 states. [2022-07-23 00:04:08,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3491 to 3328. [2022-07-23 00:04:08,543 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) [2022-07-23 00:04:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 4882 transitions. [2022-07-23 00:04:08,567 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 4882 transitions. Word has length 71 [2022-07-23 00:04:08,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:04:08,568 INFO L495 AbstractCegarLoop]: Abstraction has 3328 states and 4882 transitions. [2022-07-23 00:04:08,568 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) [2022-07-23 00:04:08,568 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 4882 transitions. [2022-07-23 00:04:08,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-23 00:04:08,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:04:08,581 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] [2022-07-23 00:04:08,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:04:08,581 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:04:08,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:04:08,582 INFO L85 PathProgramCache]: Analyzing trace with hash 428123233, now seen corresponding path program 1 times [2022-07-23 00:04:08,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:04:08,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638323555] [2022-07-23 00:04:08,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:04:08,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:04:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:09,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:04:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:04:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:09,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:04:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 00:04:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:09,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-23 00:04:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:09,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 00:04:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-23 00:04:09,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:04:09,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638323555] [2022-07-23 00:04:09,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638323555] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:04:09,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:04:09,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:04:09,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385475805] [2022-07-23 00:04:09,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:04:09,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:04:09,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:04:09,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:04:09,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:04:09,384 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) [2022-07-23 00:04:11,490 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 [] [2022-07-23 00:04:15,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:17,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:20,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:23,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:29,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:32,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:35,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:39,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:41,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:44,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:45,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:04:45,400 INFO L93 Difference]: Finished difference Result 8962 states and 13138 transitions. [2022-07-23 00:04:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:04:45,401 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 [2022-07-23 00:04:45,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:04:45,437 INFO L225 Difference]: With dead ends: 8962 [2022-07-23 00:04:45,438 INFO L226 Difference]: Without dead ends: 5641 [2022-07-23 00:04:45,453 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 [2022-07-23 00:04:45,454 INFO L413 NwaCegarLoop]: 4047 mSDtfsCounter, 3164 mSDsluCounter, 3767 mSDsCounter, 0 mSdLazyCounter, 2054 mSolverCounterSat, 925 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3362 SdHoareTripleChecker+Valid, 7814 SdHoareTripleChecker+Invalid, 2990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 925 IncrementalHoareTripleChecker+Valid, 2054 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:04:45,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3362 Valid, 7814 Invalid, 2990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [925 Valid, 2054 Invalid, 11 Unknown, 0 Unchecked, 35.4s Time] [2022-07-23 00:04:45,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5641 states. [2022-07-23 00:04:45,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5641 to 5373. [2022-07-23 00:04:45,633 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) [2022-07-23 00:04:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5373 states to 5373 states and 7846 transitions. [2022-07-23 00:04:45,664 INFO L78 Accepts]: Start accepts. Automaton has 5373 states and 7846 transitions. Word has length 80 [2022-07-23 00:04:45,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:04:45,665 INFO L495 AbstractCegarLoop]: Abstraction has 5373 states and 7846 transitions. [2022-07-23 00:04:45,665 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) [2022-07-23 00:04:45,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5373 states and 7846 transitions. [2022-07-23 00:04:45,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-23 00:04:45,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:04:45,674 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] [2022-07-23 00:04:45,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:04:45,674 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:04:45,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:04:45,675 INFO L85 PathProgramCache]: Analyzing trace with hash -19882466, now seen corresponding path program 1 times [2022-07-23 00:04:45,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:04:45,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653570364] [2022-07-23 00:04:45,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:04:45,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:04:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:04:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:46,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:04:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 00:04:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:46,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 00:04:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 00:04:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 00:04:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 00:04:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:46,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 00:04:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:04:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-23 00:04:46,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:04:46,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653570364] [2022-07-23 00:04:46,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653570364] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:04:46,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:04:46,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:04:46,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910884976] [2022-07-23 00:04:46,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:04:46,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:04:46,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:04:46,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:04:46,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:04:46,595 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) [2022-07-23 00:04:48,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:52,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:04:55,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:05:04,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:05:07,265 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 [] [2022-07-23 00:05:08,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:05:08,522 INFO L93 Difference]: Finished difference Result 11184 states and 16411 transitions. [2022-07-23 00:05:08,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:05:08,523 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 [2022-07-23 00:05:08,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:05:08,555 INFO L225 Difference]: With dead ends: 11184 [2022-07-23 00:05:08,555 INFO L226 Difference]: Without dead ends: 5818 [2022-07-23 00:05:08,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:05:08,577 INFO L413 NwaCegarLoop]: 2383 mSDtfsCounter, 1053 mSDsluCounter, 4892 mSDsCounter, 0 mSdLazyCounter, 2044 mSolverCounterSat, 593 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 7275 SdHoareTripleChecker+Invalid, 2642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 2044 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:05:08,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 7275 Invalid, 2642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 2044 Invalid, 5 Unknown, 0 Unchecked, 21.5s Time] [2022-07-23 00:05:08,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2022-07-23 00:05:08,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 5379. [2022-07-23 00:05:08,740 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) [2022-07-23 00:05:08,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 5379 states and 7852 transitions. [2022-07-23 00:05:08,758 INFO L78 Accepts]: Start accepts. Automaton has 5379 states and 7852 transitions. Word has length 98 [2022-07-23 00:05:08,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:05:08,759 INFO L495 AbstractCegarLoop]: Abstraction has 5379 states and 7852 transitions. [2022-07-23 00:05:08,759 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) [2022-07-23 00:05:08,759 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 7852 transitions. [2022-07-23 00:05:08,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-23 00:05:08,768 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:05:08,768 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] [2022-07-23 00:05:08,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 00:05:08,769 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:05:08,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:05:08,770 INFO L85 PathProgramCache]: Analyzing trace with hash -21239987, now seen corresponding path program 1 times [2022-07-23 00:05:08,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:05:08,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39645461] [2022-07-23 00:05:08,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:05:08,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:05:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:05:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:05:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 00:05:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:09,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 00:05:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 00:05:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 00:05:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 00:05:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:05:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 00:05:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:05:09,624 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-23 00:05:09,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:05:09,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39645461] [2022-07-23 00:05:09,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39645461] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:05:09,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:05:09,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:05:09,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547082961] [2022-07-23 00:05:09,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:05:09,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:05:09,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:05:09,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:05:09,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:05:09,629 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) [2022-07-23 00:05:11,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:05:15,489 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 []