./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.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 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:11:57,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:11:57,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:11:57,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:11:57,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:11:57,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:11:57,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:11:57,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:11:57,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:11:57,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:11:57,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:11:57,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:11:57,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:11:57,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:11:57,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:11:57,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:11:57,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:11:57,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:11:57,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:11:57,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:11:57,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:11:57,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:11:57,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:11:57,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:11:57,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:11:57,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:11:57,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:11:57,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:11:57,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:11:57,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:11:57,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:11:57,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:11:57,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:11:57,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:11:57,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:11:57,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:11:57,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:11:57,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:11:57,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:11:57,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:11:57,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:11:57,800 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:11:57,822 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:11:57,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:11:57,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:11:57,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:11:57,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:11:57,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:11:57,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:11:57,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:11:57,825 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:11:57,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:11:57,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:11:57,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:11:57,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:11:57,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:11:57,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:11:57,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:11:57,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:11:57,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:11:57,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:11:57,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:11:57,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:11:57,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:11:57,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:11:57,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:11:57,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:11:57,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:11:57,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:11:57,828 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:11:57,828 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:11:57,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:11:57,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:11:57,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 [2021-12-16 04:11:58,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:11:58,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:11:58,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:11:58,082 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:11:58,083 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:11:58,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-16 04:11:58,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cce33bf96/260609e49c2043259ac1a3ce1d1d0b1f/FLAGe2e8bdf2a [2021-12-16 04:11:58,773 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:11:58,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-16 04:11:58,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cce33bf96/260609e49c2043259ac1a3ce1d1d0b1f/FLAGe2e8bdf2a [2021-12-16 04:11:58,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cce33bf96/260609e49c2043259ac1a3ce1d1d0b1f [2021-12-16 04:11:58,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:11:58,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:11:58,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:11:58,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:11:58,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:11:58,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:11:58" (1/1) ... [2021-12-16 04:11:58,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e2daa97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:58, skipping insertion in model container [2021-12-16 04:11:58,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:11:58" (1/1) ... [2021-12-16 04:11:58,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:11:58,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:12:01,000 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2021-12-16 04:12:01,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:12:01,064 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:12:01,361 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2021-12-16 04:12:01,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:12:01,507 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:12:01,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01 WrapperNode [2021-12-16 04:12:01,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:12:01,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:12:01,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:12:01,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:12:01,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01" (1/1) ... [2021-12-16 04:12:01,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01" (1/1) ... [2021-12-16 04:12:01,811 INFO L137 Inliner]: procedures = 595, calls = 3937, calls flagged for inlining = 264, calls inlined = 257, statements flattened = 9795 [2021-12-16 04:12:01,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:12:01,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:12:01,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:12:01,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:12:01,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01" (1/1) ... [2021-12-16 04:12:01,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01" (1/1) ... [2021-12-16 04:12:01,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01" (1/1) ... [2021-12-16 04:12:01,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01" (1/1) ... [2021-12-16 04:12:01,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01" (1/1) ... [2021-12-16 04:12:02,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01" (1/1) ... [2021-12-16 04:12:02,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01" (1/1) ... [2021-12-16 04:12:02,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:12:02,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:12:02,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:12:02,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:12:02,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01" (1/1) ... [2021-12-16 04:12:02,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:12:02,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:12:02,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:12:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2021-12-16 04:12:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2021-12-16 04:12:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-16 04:12:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-16 04:12:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-16 04:12:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-16 04:12:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-16 04:12:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-16 04:12:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-16 04:12:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-16 04:12:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2021-12-16 04:12:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2021-12-16 04:12:02,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:12:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2021-12-16 04:12:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2021-12-16 04:12:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-16 04:12:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-16 04:12:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-16 04:12:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-16 04:12:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-16 04:12:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2021-12-16 04:12:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2021-12-16 04:12:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:12:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:12:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2021-12-16 04:12:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2021-12-16 04:12:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2021-12-16 04:12:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2021-12-16 04:12:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-16 04:12:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-16 04:12:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-16 04:12:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-16 04:12:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2021-12-16 04:12:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2021-12-16 04:12:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2021-12-16 04:12:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2021-12-16 04:12:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:12:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:12:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2021-12-16 04:12:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2021-12-16 04:12:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2021-12-16 04:12:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2021-12-16 04:12:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-16 04:12:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-16 04:12:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2021-12-16 04:12:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2021-12-16 04:12:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2021-12-16 04:12:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2021-12-16 04:12:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2021-12-16 04:12:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-16 04:12:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-16 04:12:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-16 04:12:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-16 04:12:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2021-12-16 04:12:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2021-12-16 04:12:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2021-12-16 04:12:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2021-12-16 04:12:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:12:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:12:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2021-12-16 04:12:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2021-12-16 04:12:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2021-12-16 04:12:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2021-12-16 04:12:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:12:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:12:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2021-12-16 04:12:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2021-12-16 04:12:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2021-12-16 04:12:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2021-12-16 04:12:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2021-12-16 04:12:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2021-12-16 04:12:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2021-12-16 04:12:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2021-12-16 04:12:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2021-12-16 04:12:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2021-12-16 04:12:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2021-12-16 04:12:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2021-12-16 04:12:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:12:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:12:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2021-12-16 04:12:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2021-12-16 04:12:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2021-12-16 04:12:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2021-12-16 04:12:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2021-12-16 04:12:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2021-12-16 04:12:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2021-12-16 04:12:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2021-12-16 04:12:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2021-12-16 04:12:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2021-12-16 04:12:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-16 04:12:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-16 04:12:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-16 04:12:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2021-12-16 04:12:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2021-12-16 04:12:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2021-12-16 04:12:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2021-12-16 04:12:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:12:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:12:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:12:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:12:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-16 04:12:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-16 04:12:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:12:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2021-12-16 04:12:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2021-12-16 04:12:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2021-12-16 04:12:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2021-12-16 04:12:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:12:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:12:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2021-12-16 04:12:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2021-12-16 04:12:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2021-12-16 04:12:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2021-12-16 04:12:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-16 04:12:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-16 04:12:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-16 04:12:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-16 04:12:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:12:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2021-12-16 04:12:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2021-12-16 04:12:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2021-12-16 04:12:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2021-12-16 04:12:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:12:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:12:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2021-12-16 04:12:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2021-12-16 04:12:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2021-12-16 04:12:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2021-12-16 04:12:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:12:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-16 04:12:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-16 04:12:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-16 04:12:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-16 04:12:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2021-12-16 04:12:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2021-12-16 04:12:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2021-12-16 04:12:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2021-12-16 04:12:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:12:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2021-12-16 04:12:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2021-12-16 04:12:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-16 04:12:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-16 04:12:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:12:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:12:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2021-12-16 04:12:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2021-12-16 04:12:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2021-12-16 04:12:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2021-12-16 04:12:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2021-12-16 04:12:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2021-12-16 04:12:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-16 04:12:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-16 04:12:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2021-12-16 04:12:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2021-12-16 04:12:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2021-12-16 04:12:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2021-12-16 04:12:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-16 04:12:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-16 04:12:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2021-12-16 04:12:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2021-12-16 04:12:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2021-12-16 04:12:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2021-12-16 04:12:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_12 [2021-12-16 04:12:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_12 [2021-12-16 04:12:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:12:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:12:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2021-12-16 04:12:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2021-12-16 04:12:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2021-12-16 04:12:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2021-12-16 04:12:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2021-12-16 04:12:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-16 04:12:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2021-12-16 04:12:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 04:12:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-16 04:12:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-16 04:12:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-16 04:12:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:12:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2021-12-16 04:12:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2021-12-16 04:12:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-16 04:12:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-16 04:12:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2021-12-16 04:12:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2021-12-16 04:12:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2021-12-16 04:12:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2021-12-16 04:12:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2021-12-16 04:12:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2021-12-16 04:12:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-16 04:12:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-16 04:12:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2021-12-16 04:12:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2021-12-16 04:12:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2021-12-16 04:12:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2021-12-16 04:12:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-16 04:12:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-16 04:12:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-16 04:12:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-16 04:12:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2021-12-16 04:12:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2021-12-16 04:12:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 04:12:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 04:12:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2021-12-16 04:12:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2021-12-16 04:12:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2021-12-16 04:12:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2021-12-16 04:12:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2021-12-16 04:12:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2021-12-16 04:12:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2021-12-16 04:12:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2021-12-16 04:12:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2021-12-16 04:12:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2021-12-16 04:12:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-16 04:12:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-16 04:12:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2021-12-16 04:12:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2021-12-16 04:12:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-16 04:12:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-16 04:12:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:12:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:12:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2021-12-16 04:12:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2021-12-16 04:12:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2021-12-16 04:12:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2021-12-16 04:12:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2021-12-16 04:12:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2021-12-16 04:12:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2021-12-16 04:12:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2021-12-16 04:12:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-16 04:12:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-16 04:12:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2021-12-16 04:12:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2021-12-16 04:12:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:12:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:12:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2021-12-16 04:12:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2021-12-16 04:12:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:12:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:12:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_11 [2021-12-16 04:12:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_11 [2021-12-16 04:12:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2021-12-16 04:12:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2021-12-16 04:12:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-16 04:12:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-16 04:12:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-16 04:12:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-16 04:12:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2021-12-16 04:12:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2021-12-16 04:12:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2021-12-16 04:12:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2021-12-16 04:12:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2021-12-16 04:12:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2021-12-16 04:12:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:12:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:12:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:12:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:12:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2021-12-16 04:12:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2021-12-16 04:12:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2021-12-16 04:12:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2021-12-16 04:12:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-16 04:12:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-16 04:12:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2021-12-16 04:12:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2021-12-16 04:12:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2021-12-16 04:12:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2021-12-16 04:12:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2021-12-16 04:12:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2021-12-16 04:12:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2021-12-16 04:12:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2021-12-16 04:12:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2021-12-16 04:12:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2021-12-16 04:12:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-16 04:12:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-16 04:12:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-16 04:12:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-16 04:12:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-16 04:12:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-16 04:12:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2021-12-16 04:12:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2021-12-16 04:12:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2021-12-16 04:12:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2021-12-16 04:12:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:12:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:12:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2021-12-16 04:12:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2021-12-16 04:12:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:12:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:12:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-16 04:12:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-16 04:12:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2021-12-16 04:12:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2021-12-16 04:12:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 04:12:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 04:12:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:12:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:12:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2021-12-16 04:12:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2021-12-16 04:12:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:12:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:12:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-16 04:12:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-16 04:12:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-12-16 04:12:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-12-16 04:12:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2021-12-16 04:12:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2021-12-16 04:12:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-16 04:12:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-16 04:12:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-16 04:12:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-16 04:12:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2021-12-16 04:12:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2021-12-16 04:12:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-16 04:12:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-16 04:12:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2021-12-16 04:12:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2021-12-16 04:12:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-16 04:12:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-16 04:12:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-16 04:12:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-16 04:12:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:12:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:12:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:12:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-16 04:12:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-16 04:12:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2021-12-16 04:12:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2021-12-16 04:12:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:12:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-16 04:12:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-16 04:12:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-16 04:12:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-16 04:12:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2021-12-16 04:12:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2021-12-16 04:12:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2021-12-16 04:12:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2021-12-16 04:12:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-16 04:12:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-16 04:12:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2021-12-16 04:12:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2021-12-16 04:12:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-16 04:12:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-16 04:12:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2021-12-16 04:12:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2021-12-16 04:12:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:12:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-16 04:12:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-16 04:12:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2021-12-16 04:12:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2021-12-16 04:12:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:12:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:12:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-16 04:12:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-16 04:12:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 04:12:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 04:12:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2021-12-16 04:12:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2021-12-16 04:12:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:12:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:12:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 04:12:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 04:12:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2021-12-16 04:12:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2021-12-16 04:12:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-16 04:12:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-16 04:12:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-16 04:12:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-16 04:12:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-16 04:12:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-16 04:12:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2021-12-16 04:12:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2021-12-16 04:12:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2021-12-16 04:12:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2021-12-16 04:12:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2021-12-16 04:12:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2021-12-16 04:12:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-16 04:12:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-16 04:12:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2021-12-16 04:12:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2021-12-16 04:12:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:12:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:12:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2021-12-16 04:12:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2021-12-16 04:12:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2021-12-16 04:12:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2021-12-16 04:12:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-16 04:12:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-16 04:12:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2021-12-16 04:12:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2021-12-16 04:12:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2021-12-16 04:12:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2021-12-16 04:12:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2021-12-16 04:12:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2021-12-16 04:12:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-16 04:12:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-16 04:12:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2021-12-16 04:12:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2021-12-16 04:12:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-16 04:12:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-16 04:12:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:12:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:12:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2021-12-16 04:12:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2021-12-16 04:12:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2021-12-16 04:12:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:12:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:12:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-16 04:12:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-16 04:12:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:12:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2021-12-16 04:12:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2021-12-16 04:12:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2021-12-16 04:12:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2021-12-16 04:12:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:12:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:12:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2021-12-16 04:12:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2021-12-16 04:12:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:12:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:12:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-16 04:12:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-16 04:12:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2021-12-16 04:12:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2021-12-16 04:12:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 04:12:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 04:12:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2021-12-16 04:12:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2021-12-16 04:12:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2021-12-16 04:12:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2021-12-16 04:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-16 04:12:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-16 04:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2021-12-16 04:12:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2021-12-16 04:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2021-12-16 04:12:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2021-12-16 04:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-16 04:12:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-16 04:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2021-12-16 04:12:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2021-12-16 04:12:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-16 04:12:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-16 04:12:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 04:12:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 04:12:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-12-16 04:12:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-12-16 04:12:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2021-12-16 04:12:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2021-12-16 04:12:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 04:12:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 04:12:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-16 04:12:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-16 04:12:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2021-12-16 04:12:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2021-12-16 04:12:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2021-12-16 04:12:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2021-12-16 04:12:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-16 04:12:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-16 04:12:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-16 04:12:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-16 04:12:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2021-12-16 04:12:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2021-12-16 04:12:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2021-12-16 04:12:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2021-12-16 04:12:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2021-12-16 04:12:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2021-12-16 04:12:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:12:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2021-12-16 04:12:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2021-12-16 04:12:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-16 04:12:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-16 04:12:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-16 04:12:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-16 04:12:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-16 04:12:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-16 04:12:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-16 04:12:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-16 04:12:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-16 04:12:03,169 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:12:03,173 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:12:03,682 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:12:10,948 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:12:10,971 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:12:10,971 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:12:10,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:12:10 BoogieIcfgContainer [2021-12-16 04:12:10,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:12:10,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:12:10,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:12:10,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:12:10,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:11:58" (1/3) ... [2021-12-16 04:12:10,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269e72d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:12:10, skipping insertion in model container [2021-12-16 04:12:10,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:12:01" (2/3) ... [2021-12-16 04:12:10,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269e72d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:12:10, skipping insertion in model container [2021-12-16 04:12:10,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:12:10" (3/3) ... [2021-12-16 04:12:10,983 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-16 04:12:10,986 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:12:10,986 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:12:11,034 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:12:11,040 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:12:11,040 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:12:11,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 3864 states, 2495 states have (on average 1.2749498997995992) internal successors, (3181), 2578 states have internal predecessors, (3181), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) [2021-12-16 04:12:11,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-16 04:12:11,118 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:12:11,119 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:12:11,119 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:12:11,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:12:11,123 INFO L85 PathProgramCache]: Analyzing trace with hash -901261265, now seen corresponding path program 1 times [2021-12-16 04:12:11,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:12:11,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390632947] [2021-12-16 04:12:11,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:12:11,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:12:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:12:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:12:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:12:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:12:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:12:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:12:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:12:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:12:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:12:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:12:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:12:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:12:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:12:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:12:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:12,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:12,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:12:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:12,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:12:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:12,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:12:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-16 04:12:12,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:12:12,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390632947] [2021-12-16 04:12:12,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390632947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:12:12,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:12:12,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:12:12,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557700508] [2021-12-16 04:12:12,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:12:12,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:12:12,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:12:12,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:12:12,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:12:12,113 INFO L87 Difference]: Start difference. First operand has 3864 states, 2495 states have (on average 1.2749498997995992) internal successors, (3181), 2578 states have internal predecessors, (3181), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:12:21,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:22,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:12:22,656 INFO L93 Difference]: Finished difference Result 8414 states and 12295 transitions. [2021-12-16 04:12:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:12:22,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2021-12-16 04:12:22,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:12:22,691 INFO L225 Difference]: With dead ends: 8414 [2021-12-16 04:12:22,691 INFO L226 Difference]: Without dead ends: 4534 [2021-12-16 04:12:22,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:12:22,715 INFO L933 BasicCegarLoop]: 4918 mSDtfsCounter, 4304 mSDsluCounter, 2157 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 5008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4413 SdHoareTripleChecker+Valid, 7075 SdHoareTripleChecker+Invalid, 7297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5008 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:12:22,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4413 Valid, 7075 Invalid, 7297 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5008 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2021-12-16 04:12:22,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2021-12-16 04:12:22,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 3843. [2021-12-16 04:12:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3843 states, 2482 states have (on average 1.2695406929895245) internal successors, (3151), 2557 states have internal predecessors, (3151), 1118 states have call successors, (1118), 243 states have call predecessors, (1118), 242 states have return successors, (1116), 1087 states have call predecessors, (1116), 1116 states have call successors, (1116) [2021-12-16 04:12:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 3843 states and 5385 transitions. [2021-12-16 04:12:22,959 INFO L78 Accepts]: Start accepts. Automaton has 3843 states and 5385 transitions. Word has length 253 [2021-12-16 04:12:22,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:12:22,961 INFO L470 AbstractCegarLoop]: Abstraction has 3843 states and 5385 transitions. [2021-12-16 04:12:22,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:12:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 5385 transitions. [2021-12-16 04:12:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-16 04:12:22,969 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:12:22,969 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:12:22,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:12:22,969 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:12:22,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:12:22,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1699436963, now seen corresponding path program 1 times [2021-12-16 04:12:22,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:12:22,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700057899] [2021-12-16 04:12:22,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:12:22,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:12:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:12:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:12:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:12:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:12:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:12:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:12:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:12:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:12:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:12:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:12:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:12:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:12:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:12:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:12:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:12:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:12:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:12:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:23,586 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-16 04:12:23,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:12:23,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700057899] [2021-12-16 04:12:23,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700057899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:12:23,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:12:23,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:12:23,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582174716] [2021-12-16 04:12:23,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:12:23,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:12:23,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:12:23,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:12:23,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:12:23,589 INFO L87 Difference]: Start difference. First operand 3843 states and 5385 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:12:39,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:12:39,188 INFO L93 Difference]: Finished difference Result 12831 states and 18518 transitions. [2021-12-16 04:12:39,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:12:39,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2021-12-16 04:12:39,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:12:39,263 INFO L225 Difference]: With dead ends: 12831 [2021-12-16 04:12:39,264 INFO L226 Difference]: Without dead ends: 9021 [2021-12-16 04:12:39,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:12:39,293 INFO L933 BasicCegarLoop]: 6152 mSDtfsCounter, 13117 mSDsluCounter, 6783 mSDsCounter, 0 mSdLazyCounter, 5128 mSolverCounterSat, 10709 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13833 SdHoareTripleChecker+Valid, 12935 SdHoareTripleChecker+Invalid, 15837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10709 IncrementalHoareTripleChecker+Valid, 5128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:12:39,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13833 Valid, 12935 Invalid, 15837 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10709 Valid, 5128 Invalid, 0 Unknown, 0 Unchecked, 14.8s Time] [2021-12-16 04:12:39,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2021-12-16 04:12:39,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 7636. [2021-12-16 04:12:39,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7636 states, 4935 states have (on average 1.2705167173252279) internal successors, (6270), 5084 states have internal predecessors, (6270), 2216 states have call successors, (2216), 485 states have call predecessors, (2216), 484 states have return successors, (2216), 2156 states have call predecessors, (2216), 2214 states have call successors, (2216) [2021-12-16 04:12:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7636 states to 7636 states and 10702 transitions. [2021-12-16 04:12:39,639 INFO L78 Accepts]: Start accepts. Automaton has 7636 states and 10702 transitions. Word has length 253 [2021-12-16 04:12:39,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:12:39,641 INFO L470 AbstractCegarLoop]: Abstraction has 7636 states and 10702 transitions. [2021-12-16 04:12:39,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:12:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 7636 states and 10702 transitions. [2021-12-16 04:12:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-12-16 04:12:39,651 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:12:39,651 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:12:39,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:12:39,652 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:12:39,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:12:39,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1091692974, now seen corresponding path program 1 times [2021-12-16 04:12:39,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:12:39,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676155526] [2021-12-16 04:12:39,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:12:39,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:12:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:12:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:12:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:12:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:12:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:39,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:12:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:12:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:12:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:12:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:12:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:12:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:12:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:12:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:12:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:12:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:12:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:12:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:12:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-16 04:12:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 04:12:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:12:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 04:12:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-16 04:12:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-16 04:12:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-12-16 04:12:40,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:12:40,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676155526] [2021-12-16 04:12:40,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676155526] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:12:40,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:12:40,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 04:12:40,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708789800] [2021-12-16 04:12:40,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:12:40,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 04:12:40,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:12:40,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 04:12:40,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:12:40,354 INFO L87 Difference]: Start difference. First operand 7636 states and 10702 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-16 04:12:43,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []