./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-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-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 c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:12:09,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:12:09,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:12:09,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:12:09,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:12:09,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:12:09,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:12:09,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:12:09,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:12:09,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:12:09,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:12:09,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:12:09,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:12:09,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:12:09,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:12:09,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:12:09,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:12:09,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:12:09,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:12:09,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:12:09,771 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:12:09,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:12:09,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:12:09,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:12:09,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:12:09,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:12:09,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:12:09,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:12:09,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:12:09,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:12:09,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:12:09,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:12:09,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:12:09,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:12:09,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:12:09,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:12:09,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:12:09,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:12:09,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:12:09,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:12:09,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:12:09,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:12:09,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:12:09,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:12:09,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:12:09,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:12:09,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:12:09,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:12:09,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:12:09,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:12:09,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:12:09,843 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:12:09,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:12:09,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:12:09,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:12:09,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:12:09,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:12:09,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:12:09,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:12:09,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:12:09,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:12:09,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:12:09,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:12:09,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:12:09,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:12:09,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:12:09,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:12:09,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:12:09,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:12:09,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:12:09,846 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:12:09,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:12:09,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:12:09,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2022-07-21 12:12:10,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:12:10,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:12:10,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:12:10,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:12:10,127 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:12:10,129 INFO L432 ainManager$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-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-21 12:12:10,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4780cc694/1f05fb37f8594200a2a29c052d1a8579/FLAG31b8b0128 [2022-07-21 12:12:10,979 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:12:10,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-21 12:12:11,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4780cc694/1f05fb37f8594200a2a29c052d1a8579/FLAG31b8b0128 [2022-07-21 12:12:11,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4780cc694/1f05fb37f8594200a2a29c052d1a8579 [2022-07-21 12:12:11,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:12:11,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:12:11,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:12:11,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:12:11,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:12:11,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:12:11" (1/1) ... [2022-07-21 12:12:11,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbc0f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:11, skipping insertion in model container [2022-07-21 12:12:11,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:12:11" (1/1) ... [2022-07-21 12:12:11,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:12:11,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:12:15,449 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-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2022-07-21 12:12:15,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:12:15,726 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:12:16,039 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-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2022-07-21 12:12:16,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:12:16,309 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:12:16,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16 WrapperNode [2022-07-21 12:12:16,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:12:16,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:12:16,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:12:16,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:12:16,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16" (1/1) ... [2022-07-21 12:12:16,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16" (1/1) ... [2022-07-21 12:12:16,656 INFO L137 Inliner]: procedures = 664, calls = 4061, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9806 [2022-07-21 12:12:16,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:12:16,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:12:16,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:12:16,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:12:16,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16" (1/1) ... [2022-07-21 12:12:16,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16" (1/1) ... [2022-07-21 12:12:16,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16" (1/1) ... [2022-07-21 12:12:16,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16" (1/1) ... [2022-07-21 12:12:16,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16" (1/1) ... [2022-07-21 12:12:16,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16" (1/1) ... [2022-07-21 12:12:16,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16" (1/1) ... [2022-07-21 12:12:17,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:12:17,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:12:17,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:12:17,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:12:17,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16" (1/1) ... [2022-07-21 12:12:17,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:12:17,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:12:17,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 12:12:17,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 12:12:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-07-21 12:12:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-07-21 12:12:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-07-21 12:12:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-07-21 12:12:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 12:12:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 12:12:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-07-21 12:12:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-07-21 12:12:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-07-21 12:12:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-07-21 12:12:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-07-21 12:12:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-07-21 12:12:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-07-21 12:12:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-07-21 12:12:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-21 12:12:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-07-21 12:12:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-07-21 12:12:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-07-21 12:12:17,106 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-07-21 12:12:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-07-21 12:12:17,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-07-21 12:12:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:12:17,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:12:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-07-21 12:12:17,106 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-07-21 12:12:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-07-21 12:12:17,107 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-07-21 12:12:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-21 12:12:17,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-21 12:12:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-21 12:12:17,107 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-21 12:12:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-07-21 12:12:17,107 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-07-21 12:12:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-07-21 12:12:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-07-21 12:12:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:12:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:12:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-07-21 12:12:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-07-21 12:12:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-07-21 12:12:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-07-21 12:12:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-21 12:12:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-21 12:12:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-07-21 12:12:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-07-21 12:12:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-07-21 12:12:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-07-21 12:12:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-07-21 12:12:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-21 12:12:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-21 12:12:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-21 12:12:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-21 12:12:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-07-21 12:12:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-07-21 12:12:17,111 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-07-21 12:12:17,111 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-07-21 12:12:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:12:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:12:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-07-21 12:12:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-07-21 12:12:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-07-21 12:12:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-07-21 12:12:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 12:12:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 12:12:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-07-21 12:12:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-07-21 12:12:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-07-21 12:12:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-07-21 12:12:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-07-21 12:12:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-07-21 12:12:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-07-21 12:12:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-07-21 12:12:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-07-21 12:12:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-07-21 12:12:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-07-21 12:12:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-07-21 12:12:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:12:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:12:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-07-21 12:12:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-07-21 12:12:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-07-21 12:12:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-07-21 12:12:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-07-21 12:12:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-07-21 12:12:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-07-21 12:12:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-07-21 12:12:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-07-21 12:12:17,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-07-21 12:12:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-21 12:12:17,133 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-21 12:12:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-21 12:12:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-07-21 12:12:17,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-07-21 12:12:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-07-21 12:12:17,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-07-21 12:12:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 12:12:17,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 12:12:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:12:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:12:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-07-21 12:12:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-07-21 12:12:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:12:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-07-21 12:12:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-07-21 12:12:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-07-21 12:12:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-07-21 12:12:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 12:12:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 12:12:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-07-21 12:12:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-07-21 12:12:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-07-21 12:12:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-07-21 12:12:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-21 12:12:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-21 12:12:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-07-21 12:12:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-07-21 12:12:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 12:12:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-07-21 12:12:17,138 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-07-21 12:12:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-07-21 12:12:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-07-21 12:12:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 12:12:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 12:12:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-07-21 12:12:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-07-21 12:12:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-07-21 12:12:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-07-21 12:12:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 12:12:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-07-21 12:12:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-07-21 12:12:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-07-21 12:12:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-07-21 12:12:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-07-21 12:12:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-07-21 12:12:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-07-21 12:12:17,147 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-07-21 12:12:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 12:12:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-07-21 12:12:17,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-07-21 12:12:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-07-21 12:12:17,147 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-07-21 12:12:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:12:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:12:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-07-21 12:12:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-07-21 12:12:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-07-21 12:12:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-07-21 12:12:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-07-21 12:12:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-07-21 12:12:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-21 12:12:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-21 12:12:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-07-21 12:12:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-07-21 12:12:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-07-21 12:12:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-07-21 12:12:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 12:12:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 12:12:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-07-21 12:12:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-07-21 12:12:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-07-21 12:12:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-07-21 12:12:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2022-07-21 12:12:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2022-07-21 12:12:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:12:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:12:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-07-21 12:12:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-07-21 12:12:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-07-21 12:12:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-07-21 12:12:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-07-21 12:12:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-07-21 12:12:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:12:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-21 12:12:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-21 12:12:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-07-21 12:12:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-07-21 12:12:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 12:12:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 12:12:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:12:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-07-21 12:12:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-07-21 12:12:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-07-21 12:12:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-07-21 12:12:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-07-21 12:12:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-07-21 12:12:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:12:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:12:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:12:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-07-21 12:12:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-07-21 12:12:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-21 12:12:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-21 12:12:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-07-21 12:12:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-07-21 12:12:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-07-21 12:12:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-07-21 12:12:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-07-21 12:12:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-21 12:12:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-07-21 12:12:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-07-21 12:12:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-21 12:12:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-07-21 12:12:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-07-21 12:12:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 12:12:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-07-21 12:12:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-07-21 12:12:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-07-21 12:12:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-07-21 12:12:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-07-21 12:12:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-21 12:12:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-07-21 12:12:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 12:12:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 12:12:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-07-21 12:12:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-07-21 12:12:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-07-21 12:12:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-07-21 12:12:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 12:12:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-07-21 12:12:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-07-21 12:12:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:12:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-07-21 12:12:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 12:12:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-07-21 12:12:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-07-21 12:12:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-21 12:12:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-07-21 12:12:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-07-21 12:12:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-07-21 12:12:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:12:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:12:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-07-21 12:12:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-07-21 12:12:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-07-21 12:12:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-07-21 12:12:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-07-21 12:12:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-07-21 12:12:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-07-21 12:12:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-07-21 12:12:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-07-21 12:12:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-07-21 12:12:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-07-21 12:12:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-07-21 12:12:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-07-21 12:12:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-07-21 12:12:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-07-21 12:12:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-07-21 12:12:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-07-21 12:12:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-07-21 12:12:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2022-07-21 12:12:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2022-07-21 12:12:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-07-21 12:12:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-07-21 12:12:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-07-21 12:12:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-07-21 12:12:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-07-21 12:12:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-07-21 12:12:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:12:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:12:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-07-21 12:12:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-07-21 12:12:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:12:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:12:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-21 12:12:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-21 12:12:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-07-21 12:12:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-07-21 12:12:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 12:12:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 12:12:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:12:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:12:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-07-21 12:12:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-07-21 12:12:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:12:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:12:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-21 12:12:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-21 12:12:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-07-21 12:12:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-07-21 12:12:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-07-21 12:12:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-07-21 12:12:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 12:12:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 12:12:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-07-21 12:12:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-07-21 12:12:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 12:12:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 12:12:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-07-21 12:12:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-07-21 12:12:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-07-21 12:12:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-07-21 12:12:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-07-21 12:12:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-07-21 12:12:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-21 12:12:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-21 12:12:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 12:12:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 12:12:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:12:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:12:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:12:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-21 12:12:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-21 12:12:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-07-21 12:12:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-07-21 12:12:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:12:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-07-21 12:12:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-07-21 12:12:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-21 12:12:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-21 12:12:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-07-21 12:12:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-07-21 12:12:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-07-21 12:12:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-07-21 12:12:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-21 12:12:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-21 12:12:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-07-21 12:12:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-07-21 12:12:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-07-21 12:12:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-07-21 12:12:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-07-21 12:12:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-07-21 12:12:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:12:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-21 12:12:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-21 12:12:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-07-21 12:12:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-07-21 12:12:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:12:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:12:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 12:12:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 12:12:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 12:12:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 12:12:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-07-21 12:12:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-07-21 12:12:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 12:12:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 12:12:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-07-21 12:12:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-07-21 12:12:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-07-21 12:12:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-07-21 12:12:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-07-21 12:12:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-07-21 12:12:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-21 12:12:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-21 12:12:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-07-21 12:12:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-07-21 12:12:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-07-21 12:12:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-07-21 12:12:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-07-21 12:12:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-07-21 12:12:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-21 12:12:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-21 12:12:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-07-21 12:12:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-07-21 12:12:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 12:12:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 12:12:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-07-21 12:12:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-07-21 12:12:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-07-21 12:12:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-07-21 12:12:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-07-21 12:12:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-07-21 12:12:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-07-21 12:12:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-07-21 12:12:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-07-21 12:12:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-07-21 12:12:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-07-21 12:12:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-07-21 12:12:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-07-21 12:12:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-07-21 12:12:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-07-21 12:12:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-07-21 12:12:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-07-21 12:12:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-07-21 12:12:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 12:12:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 12:12:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-07-21 12:12:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-07-21 12:12:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-07-21 12:12:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:12:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:12:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-07-21 12:12:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-07-21 12:12:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 12:12:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-07-21 12:12:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-07-21 12:12:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-07-21 12:12:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-07-21 12:12:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:12:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:12:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-07-21 12:12:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-07-21 12:12:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:12:17,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:12:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-07-21 12:12:17,231 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-07-21 12:12:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-07-21 12:12:17,231 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-07-21 12:12:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 12:12:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 12:12:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-07-21 12:12:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-07-21 12:12:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-07-21 12:12:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-07-21 12:12:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-07-21 12:12:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-07-21 12:12:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-07-21 12:12:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-07-21 12:12:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-07-21 12:12:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-07-21 12:12:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-21 12:12:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-21 12:12:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-07-21 12:12:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-07-21 12:12:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-07-21 12:12:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-07-21 12:12:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-07-21 12:12:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-07-21 12:12:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 12:12:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 12:12:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-07-21 12:12:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-07-21 12:12:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-07-21 12:12:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-07-21 12:12:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-07-21 12:12:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-07-21 12:12:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 12:12:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 12:12:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-07-21 12:12:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-07-21 12:12:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-07-21 12:12:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-07-21 12:12:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-07-21 12:12:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-07-21 12:12:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-21 12:12:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-21 12:12:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-07-21 12:12:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-07-21 12:12:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-21 12:12:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-21 12:12:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-07-21 12:12:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-07-21 12:12:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-07-21 12:12:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-07-21 12:12:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-07-21 12:12:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-07-21 12:12:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-21 12:12:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-07-21 12:12:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-07-21 12:12:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-07-21 12:12:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-07-21 12:12:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-07-21 12:12:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-07-21 12:12:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-07-21 12:12:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-07-21 12:12:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 12:12:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 12:12:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:12:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:12:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-07-21 12:12:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-07-21 12:12:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-07-21 12:12:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-07-21 12:12:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-07-21 12:12:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-07-21 12:12:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-07-21 12:12:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-07-21 12:12:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 12:12:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-07-21 12:12:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-07-21 12:12:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-07-21 12:12:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-07-21 12:12:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-21 12:12:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-21 12:12:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 12:12:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-21 12:12:17,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-21 12:12:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-07-21 12:12:17,252 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-07-21 12:12:18,247 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:12:18,251 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:12:18,726 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:12:27,859 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:12:27,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:12:27,881 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:12:27,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:12:27 BoogieIcfgContainer [2022-07-21 12:12:27,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:12:27,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:12:27,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:12:27,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:12:27,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:12:11" (1/3) ... [2022-07-21 12:12:27,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7223fdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:12:27, skipping insertion in model container [2022-07-21 12:12:27,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:16" (2/3) ... [2022-07-21 12:12:27,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7223fdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:12:27, skipping insertion in model container [2022-07-21 12:12:27,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:12:27" (3/3) ... [2022-07-21 12:12:27,892 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-21 12:12:27,903 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:12:27,903 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:12:27,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:12:27,996 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6dc1a9fe, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3a66349 [2022-07-21 12:12:27,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:12:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 3888 states, 2508 states have (on average 1.275518341307815) internal successors, (3199), 2594 states have internal predecessors, (3199), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) [2022-07-21 12:12:28,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-21 12:12:28,041 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:12:28,042 INFO L195 NwaCegarLoop]: 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] [2022-07-21 12:12:28,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:12:28,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:12:28,047 INFO L85 PathProgramCache]: Analyzing trace with hash -820705973, now seen corresponding path program 1 times [2022-07-21 12:12:28,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:12:28,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797095066] [2022-07-21 12:12:28,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:12:28,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:12:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:12:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:12:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:12:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:12:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:12:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:12:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:12:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:12:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:12:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:12:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:12:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:12:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:12:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:12:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:12:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:12:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:12:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:12:28,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:12:28,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797095066] [2022-07-21 12:12:28,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797095066] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:12:28,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:12:28,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 12:12:28,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343736524] [2022-07-21 12:12:28,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:12:28,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 12:12:28,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:12:28,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 12:12:28,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 12:12:28,983 INFO L87 Difference]: Start difference. First operand has 3888 states, 2508 states have (on average 1.275518341307815) internal successors, (3199), 2594 states have internal predecessors, (3199), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) 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) [2022-07-21 12:12:38,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:12:38,296 INFO L93 Difference]: Finished difference Result 8462 states and 12373 transitions. [2022-07-21 12:12:38,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 12:12:38,299 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 [2022-07-21 12:12:38,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:12:38,347 INFO L225 Difference]: With dead ends: 8462 [2022-07-21 12:12:38,347 INFO L226 Difference]: Without dead ends: 4558 [2022-07-21 12:12:38,373 INFO L412 NwaCegarLoop]: 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 [2022-07-21 12:12:38,376 INFO L413 NwaCegarLoop]: 4926 mSDtfsCounter, 4334 mSDsluCounter, 2163 mSDsCounter, 0 mSdLazyCounter, 2293 mSolverCounterSat, 5051 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4443 SdHoareTripleChecker+Valid, 7089 SdHoareTripleChecker+Invalid, 7344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5051 IncrementalHoareTripleChecker+Valid, 2293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:12:38,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4443 Valid, 7089 Invalid, 7344 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5051 Valid, 2293 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-07-21 12:12:38,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2022-07-21 12:12:38,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 3867. [2022-07-21 12:12:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3867 states, 2495 states have (on average 1.2701402805611222) internal successors, (3169), 2573 states have internal predecessors, (3169), 1128 states have call successors, (1128), 244 states have call predecessors, (1128), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-21 12:12:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 5419 transitions. [2022-07-21 12:12:38,607 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 5419 transitions. Word has length 253 [2022-07-21 12:12:38,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:12:38,609 INFO L495 AbstractCegarLoop]: Abstraction has 3867 states and 5419 transitions. [2022-07-21 12:12:38,609 INFO L496 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) [2022-07-21 12:12:38,609 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 5419 transitions. [2022-07-21 12:12:38,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-21 12:12:38,614 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:12:38,614 INFO L195 NwaCegarLoop]: 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] [2022-07-21 12:12:38,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 12:12:38,615 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:12:38,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:12:38,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1618881671, now seen corresponding path program 1 times [2022-07-21 12:12:38,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:12:38,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774783465] [2022-07-21 12:12:38,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:12:38,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:12:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:38,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:12:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:38,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:38,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:12:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:38,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:38,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:12:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:38,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:12:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:12:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:12:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:12:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:12:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:12:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:12:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:12:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:12:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:12:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:12:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:12:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:12:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:12:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:12:39,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:12:39,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774783465] [2022-07-21 12:12:39,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774783465] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:12:39,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:12:39,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:12:39,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322957605] [2022-07-21 12:12:39,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:12:39,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:12:39,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:12:39,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:12:39,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:12:39,299 INFO L87 Difference]: Start difference. First operand 3867 states and 5419 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) [2022-07-21 12:12:44,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:12:50,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:12:52,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:12:52,329 INFO L93 Difference]: Finished difference Result 4560 states and 6602 transitions. [2022-07-21 12:12:52,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:12:52,331 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 [2022-07-21 12:12:52,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:12:52,358 INFO L225 Difference]: With dead ends: 4560 [2022-07-21 12:12:52,358 INFO L226 Difference]: Without dead ends: 4557 [2022-07-21 12:12:52,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:12:52,364 INFO L413 NwaCegarLoop]: 4840 mSDtfsCounter, 9004 mSDsluCounter, 2157 mSDsCounter, 0 mSdLazyCounter, 2366 mSolverCounterSat, 6153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9639 SdHoareTripleChecker+Valid, 6997 SdHoareTripleChecker+Invalid, 8519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6153 IncrementalHoareTripleChecker+Valid, 2366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-07-21 12:12:52,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9639 Valid, 6997 Invalid, 8519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6153 Valid, 2366 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-07-21 12:12:52,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2022-07-21 12:12:52,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 3866. [2022-07-21 12:12:52,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3866 states, 2495 states have (on average 1.2697394789579157) internal successors, (3168), 2572 states have internal predecessors, (3168), 1127 states have call successors, (1127), 244 states have call predecessors, (1127), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-21 12:12:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 5417 transitions. [2022-07-21 12:12:52,504 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 5417 transitions. Word has length 253 [2022-07-21 12:12:52,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:12:52,506 INFO L495 AbstractCegarLoop]: Abstraction has 3866 states and 5417 transitions. [2022-07-21 12:12:52,506 INFO L496 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) [2022-07-21 12:12:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 5417 transitions. [2022-07-21 12:12:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-21 12:12:52,510 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:12:52,511 INFO L195 NwaCegarLoop]: 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, 1] [2022-07-21 12:12:52,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 12:12:52,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:12:52,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:12:52,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1352310769, now seen corresponding path program 1 times [2022-07-21 12:12:52,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:12:52,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693965722] [2022-07-21 12:12:52,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:12:52,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:12:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:12:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:12:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:12:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:12:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:12:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:12:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:12:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:12:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:12:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:12:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:12:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:12:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:12:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:12:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:12:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:12:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:12:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:52,994 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:12:52,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:12:52,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693965722] [2022-07-21 12:12:52,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693965722] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:12:52,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:12:52,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:12:52,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139238081] [2022-07-21 12:12:52,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:12:52,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:12:52,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:12:52,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:12:52,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:12:52,999 INFO L87 Difference]: Start difference. First operand 3866 states and 5417 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-07-21 12:13:01,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:03,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:13,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:14,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:16,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:18,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:20,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:21,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:21,079 INFO L93 Difference]: Finished difference Result 4559 states and 6600 transitions. [2022-07-21 12:13:21,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:13:21,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 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 254 [2022-07-21 12:13:21,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:21,104 INFO L225 Difference]: With dead ends: 4559 [2022-07-21 12:13:21,104 INFO L226 Difference]: Without dead ends: 4556 [2022-07-21 12:13:21,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:13:21,111 INFO L413 NwaCegarLoop]: 4832 mSDtfsCounter, 7447 mSDsluCounter, 5465 mSDsCounter, 0 mSdLazyCounter, 4961 mSolverCounterSat, 4376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8096 SdHoareTripleChecker+Valid, 10297 SdHoareTripleChecker+Invalid, 9337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4376 IncrementalHoareTripleChecker+Valid, 4961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:21,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8096 Valid, 10297 Invalid, 9337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4376 Valid, 4961 Invalid, 0 Unknown, 0 Unchecked, 27.6s Time] [2022-07-21 12:13:21,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4556 states. [2022-07-21 12:13:21,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4556 to 3865. [2022-07-21 12:13:21,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3865 states, 2495 states have (on average 1.2693386773547095) internal successors, (3167), 2571 states have internal predecessors, (3167), 1126 states have call successors, (1126), 244 states have call predecessors, (1126), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-21 12:13:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 5415 transitions. [2022-07-21 12:13:21,271 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 5415 transitions. Word has length 254 [2022-07-21 12:13:21,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:21,273 INFO L495 AbstractCegarLoop]: Abstraction has 3865 states and 5415 transitions. [2022-07-21 12:13:21,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-07-21 12:13:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 5415 transitions. [2022-07-21 12:13:21,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-21 12:13:21,277 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:21,278 INFO L195 NwaCegarLoop]: 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, 1, 1] [2022-07-21 12:13:21,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 12:13:21,278 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:21,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:21,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1029999236, now seen corresponding path program 1 times [2022-07-21 12:13:21,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:21,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416468015] [2022-07-21 12:13:21,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:21,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:13:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:13:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:13:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:13:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:13:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:13:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:13:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:13:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:13:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:13:21,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:21,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416468015] [2022-07-21 12:13:21,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416468015] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:21,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:21,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:13:21,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864880135] [2022-07-21 12:13:21,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:21,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:13:21,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:21,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:13:21,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:13:21,802 INFO L87 Difference]: Start difference. First operand 3865 states and 5415 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-07-21 12:13:37,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:39,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:41,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:42,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:42,355 INFO L93 Difference]: Finished difference Result 4558 states and 6598 transitions. [2022-07-21 12:13:42,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:13:42,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 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 255 [2022-07-21 12:13:42,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:42,382 INFO L225 Difference]: With dead ends: 4558 [2022-07-21 12:13:42,383 INFO L226 Difference]: Without dead ends: 4555 [2022-07-21 12:13:42,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:13:42,389 INFO L413 NwaCegarLoop]: 4851 mSDtfsCounter, 7815 mSDsluCounter, 3706 mSDsCounter, 0 mSdLazyCounter, 3696 mSolverCounterSat, 4553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8451 SdHoareTripleChecker+Valid, 8557 SdHoareTripleChecker+Invalid, 8249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4553 IncrementalHoareTripleChecker+Valid, 3696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:42,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8451 Valid, 8557 Invalid, 8249 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4553 Valid, 3696 Invalid, 0 Unknown, 0 Unchecked, 20.1s Time] [2022-07-21 12:13:42,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2022-07-21 12:13:42,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 3864. [2022-07-21 12:13:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 2495 states have (on average 1.268937875751503) internal successors, (3166), 2570 states have internal predecessors, (3166), 1125 states have call successors, (1125), 244 states have call predecessors, (1125), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-21 12:13:42,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5413 transitions. [2022-07-21 12:13:42,604 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5413 transitions. Word has length 255 [2022-07-21 12:13:42,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:42,607 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5413 transitions. [2022-07-21 12:13:42,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-07-21 12:13:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5413 transitions. [2022-07-21 12:13:42,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-21 12:13:42,610 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:42,610 INFO L195 NwaCegarLoop]: 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, 1, 1, 1] [2022-07-21 12:13:42,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 12:13:42,611 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:42,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:42,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1867160492, now seen corresponding path program 1 times [2022-07-21 12:13:42,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:42,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419679193] [2022-07-21 12:13:42,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:42,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:13:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:13:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:13:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:13:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:13:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:42,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:43,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:13:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:13:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:43,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:13:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:43,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:43,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:13:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:43,058 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:13:43,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:43,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419679193] [2022-07-21 12:13:43,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419679193] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:43,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:43,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:13:43,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743911476] [2022-07-21 12:13:43,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:43,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:13:43,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:43,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:13:43,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:13:43,062 INFO L87 Difference]: Start difference. First operand 3864 states and 5413 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 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) [2022-07-21 12:13:48,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:54,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:56,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:56,089 INFO L93 Difference]: Finished difference Result 4568 states and 6605 transitions. [2022-07-21 12:13:56,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:13:56,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 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 256 [2022-07-21 12:13:56,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:56,117 INFO L225 Difference]: With dead ends: 4568 [2022-07-21 12:13:56,118 INFO L226 Difference]: Without dead ends: 4555 [2022-07-21 12:13:56,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:13:56,125 INFO L413 NwaCegarLoop]: 4843 mSDtfsCounter, 8991 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 2367 mSolverCounterSat, 6184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9594 SdHoareTripleChecker+Valid, 7015 SdHoareTripleChecker+Invalid, 8551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6184 IncrementalHoareTripleChecker+Valid, 2367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:56,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9594 Valid, 7015 Invalid, 8551 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6184 Valid, 2367 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-07-21 12:13:56,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2022-07-21 12:13:56,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 3864. [2022-07-21 12:13:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 2494 states have (on average 1.2678428227746592) internal successors, (3162), 2567 states have internal predecessors, (3162), 1123 states have call successors, (1123), 247 states have call predecessors, (1123), 246 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-21 12:13:56,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5407 transitions. [2022-07-21 12:13:56,288 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5407 transitions. Word has length 256 [2022-07-21 12:13:56,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:56,288 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5407 transitions. [2022-07-21 12:13:56,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 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) [2022-07-21 12:13:56,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5407 transitions. [2022-07-21 12:13:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-21 12:13:56,298 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:56,298 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:13:56,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 12:13:56,299 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:56,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:56,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1914009865, now seen corresponding path program 1 times [2022-07-21 12:13:56,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:56,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234274528] [2022-07-21 12:13:56,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:56,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:13:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:13:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:13:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:13:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:13:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:13:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:13:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:13:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:13:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 12:13:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-21 12:13:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 12:13:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:56,829 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:13:56,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:56,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234274528] [2022-07-21 12:13:56,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234274528] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:56,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:56,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 12:13:56,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363799246] [2022-07-21 12:13:56,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:56,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 12:13:56,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:56,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 12:13:56,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:13:56,831 INFO L87 Difference]: Start difference. First operand 3864 states and 5407 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 12:14:00,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:09,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:22,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:26,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:28,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:14:28,378 INFO L93 Difference]: Finished difference Result 12808 states and 18511 transitions. [2022-07-21 12:14:28,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 12:14:28,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 288 [2022-07-21 12:14:28,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:14:28,435 INFO L225 Difference]: With dead ends: 12808 [2022-07-21 12:14:28,435 INFO L226 Difference]: Without dead ends: 8983 [2022-07-21 12:14:28,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:14:28,456 INFO L413 NwaCegarLoop]: 5349 mSDtfsCounter, 14895 mSDsluCounter, 5345 mSDsCounter, 0 mSdLazyCounter, 10562 mSolverCounterSat, 15251 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15690 SdHoareTripleChecker+Valid, 10694 SdHoareTripleChecker+Invalid, 25814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15251 IncrementalHoareTripleChecker+Valid, 10562 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:14:28,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15690 Valid, 10694 Invalid, 25814 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15251 Valid, 10562 Invalid, 1 Unknown, 0 Unchecked, 30.4s Time] [2022-07-21 12:14:28,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8983 states. [2022-07-21 12:14:28,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8983 to 6587. [2022-07-21 12:14:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6587 states, 4222 states have (on average 1.2567503552818569) internal successors, (5306), 4366 states have internal predecessors, (5306), 1905 states have call successors, (1905), 460 states have call predecessors, (1905), 459 states have return successors, (1904), 1846 states have call predecessors, (1904), 1904 states have call successors, (1904) [2022-07-21 12:14:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 9115 transitions. [2022-07-21 12:14:28,783 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 9115 transitions. Word has length 288 [2022-07-21 12:14:28,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:14:28,784 INFO L495 AbstractCegarLoop]: Abstraction has 6587 states and 9115 transitions. [2022-07-21 12:14:28,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-21 12:14:28,784 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 9115 transitions. [2022-07-21 12:14:28,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-21 12:14:28,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:14:28,796 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-21 12:14:28,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 12:14:28,797 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:14:28,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:14:28,797 INFO L85 PathProgramCache]: Analyzing trace with hash 417864957, now seen corresponding path program 1 times [2022-07-21 12:14:28,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:14:28,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48898940] [2022-07-21 12:14:28,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:14:28,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:14:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:14:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:14:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:14:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:14:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:14:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:14:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:14:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:14:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:14:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:14:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:14:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:14:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:14:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:14:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:14:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:14:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:14:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:14:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:14:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:14:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-21 12:14:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 12:14:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 12:14:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2022-07-21 12:14:29,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:14:29,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48898940] [2022-07-21 12:14:29,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48898940] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:14:29,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:14:29,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 12:14:29,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127801769] [2022-07-21 12:14:29,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:14:29,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 12:14:29,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:14:29,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 12:14:29,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:14:29,378 INFO L87 Difference]: Start difference. First operand 6587 states and 9115 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-21 12:14:33,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:42,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:46,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:04,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:06,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:08,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:09,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:14,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:16,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:15:16,532 INFO L93 Difference]: Finished difference Result 20237 states and 29275 transitions. [2022-07-21 12:15:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-21 12:15:16,533 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 341 [2022-07-21 12:15:16,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:15:16,603 INFO L225 Difference]: With dead ends: 20237 [2022-07-21 12:15:16,603 INFO L226 Difference]: Without dead ends: 13689 [2022-07-21 12:15:16,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-07-21 12:15:16,716 INFO L413 NwaCegarLoop]: 7100 mSDtfsCounter, 14110 mSDsluCounter, 7722 mSDsCounter, 0 mSdLazyCounter, 14319 mSolverCounterSat, 15949 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15050 SdHoareTripleChecker+Valid, 14822 SdHoareTripleChecker+Invalid, 30271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15949 IncrementalHoareTripleChecker+Valid, 14319 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:15:16,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15050 Valid, 14822 Invalid, 30271 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15949 Valid, 14319 Invalid, 3 Unknown, 0 Unchecked, 45.5s Time] [2022-07-21 12:15:16,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13689 states. [2022-07-21 12:15:17,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13689 to 9662. [2022-07-21 12:15:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9662 states, 6215 states have (on average 1.2540627514078841) internal successors, (7794), 6432 states have internal predecessors, (7794), 2761 states have call successors, (2761), 686 states have call predecessors, (2761), 685 states have return successors, (2760), 2673 states have call predecessors, (2760), 2760 states have call successors, (2760) [2022-07-21 12:15:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9662 states to 9662 states and 13315 transitions. [2022-07-21 12:15:17,162 INFO L78 Accepts]: Start accepts. Automaton has 9662 states and 13315 transitions. Word has length 341 [2022-07-21 12:15:17,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:15:17,164 INFO L495 AbstractCegarLoop]: Abstraction has 9662 states and 13315 transitions. [2022-07-21 12:15:17,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-21 12:15:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 9662 states and 13315 transitions. [2022-07-21 12:15:17,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-07-21 12:15:17,174 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:15:17,174 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:15:17,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 12:15:17,175 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:15:17,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:15:17,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1803305228, now seen corresponding path program 1 times [2022-07-21 12:15:17,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:15:17,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219188885] [2022-07-21 12:15:17,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:15:17,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:15:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:15:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:15:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:15:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:15:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:15:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:15:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:15:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:15:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:15:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:15:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:15:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 12:15:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:15:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:15:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:15:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:15:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 12:15:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 12:15:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:15:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 12:15:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 12:15:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 12:15:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 12:15:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-21 12:15:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 12:15:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-21 12:15:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:17,745 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 12:15:17,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:15:17,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219188885] [2022-07-21 12:15:17,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219188885] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:15:17,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:15:17,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 12:15:17,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258443862] [2022-07-21 12:15:17,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:15:17,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 12:15:17,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:15:17,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 12:15:17,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:15:17,747 INFO L87 Difference]: Start difference. First operand 9662 states and 13315 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 12:15:23,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:34,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:36,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:39,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:15:39,539 INFO L93 Difference]: Finished difference Result 13313 states and 19436 transitions. [2022-07-21 12:15:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 12:15:39,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 343 [2022-07-21 12:15:39,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:15:39,543 INFO L225 Difference]: With dead ends: 13313 [2022-07-21 12:15:39,543 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 12:15:39,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-21 12:15:39,582 INFO L413 NwaCegarLoop]: 4437 mSDtfsCounter, 7182 mSDsluCounter, 4720 mSDsCounter, 0 mSdLazyCounter, 8267 mSolverCounterSat, 7805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7760 SdHoareTripleChecker+Valid, 9157 SdHoareTripleChecker+Invalid, 16072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7805 IncrementalHoareTripleChecker+Valid, 8267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:15:39,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7760 Valid, 9157 Invalid, 16072 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7805 Valid, 8267 Invalid, 0 Unknown, 0 Unchecked, 20.9s Time] [2022-07-21 12:15:39,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 12:15:39,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 12:15:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 12:15:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 12:15:39,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2022-07-21 12:15:39,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:15:39,587 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 12:15:39,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 12:15:39,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 12:15:39,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 12:15:39,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 12:15:39,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 12:15:39,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.