./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 6c24879c 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-?-6c24879 [2022-07-12 13:38:43,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:38:43,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:38:43,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:38:43,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:38:43,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:38:43,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:38:43,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:38:43,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:38:43,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:38:43,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:38:43,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:38:43,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:38:43,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:38:43,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:38:43,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:38:43,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:38:43,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:38:43,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:38:43,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:38:43,118 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:38:43,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:38:43,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:38:43,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:38:43,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:38:43,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:38:43,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:38:43,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:38:43,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:38:43,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:38:43,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:38:43,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:38:43,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:38:43,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:38:43,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:38:43,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:38:43,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:38:43,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:38:43,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:38:43,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:38:43,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:38:43,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:38:43,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:38:43,157 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:38:43,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:38:43,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:38:43,160 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:38:43,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:38:43,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:38:43,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:38:43,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:38:43,161 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:38:43,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:38:43,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:38:43,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:38:43,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:38:43,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:38:43,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:38:43,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:38:43,163 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:38:43,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:38:43,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:38:43,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:38:43,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:38:43,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:38:43,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:38:43,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:38:43,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:38:43,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:38:43,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:38:43,166 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:38:43,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:38:43,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:38:43,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2022-07-12 13:38:43,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:38:43,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:38:43,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:38:43,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:38:43,414 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:38:43,415 INFO L432 ainManager$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 [2022-07-12 13:38:43,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adaca4e76/ebe9fac70ad641d18b82738708f41d8e/FLAG1de1b5801 [2022-07-12 13:38:44,109 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:38:44,109 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 [2022-07-12 13:38:44,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adaca4e76/ebe9fac70ad641d18b82738708f41d8e/FLAG1de1b5801 [2022-07-12 13:38:44,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adaca4e76/ebe9fac70ad641d18b82738708f41d8e [2022-07-12 13:38:44,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:38:44,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:38:44,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:38:44,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:38:44,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:38:44,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:38:44" (1/1) ... [2022-07-12 13:38:44,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a362ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:44, skipping insertion in model container [2022-07-12 13:38:44,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:38:44" (1/1) ... [2022-07-12 13:38:44,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:38:44,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:38:47,163 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] [2022-07-12 13:38:47,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:38:47,320 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:38:47,696 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] [2022-07-12 13:38:47,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:38:47,910 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:38:47,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47 WrapperNode [2022-07-12 13:38:47,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:38:47,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:38:47,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:38:47,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:38:47,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47" (1/1) ... [2022-07-12 13:38:48,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47" (1/1) ... [2022-07-12 13:38:48,405 INFO L137 Inliner]: procedures = 664, calls = 4061, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9806 [2022-07-12 13:38:48,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:38:48,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:38:48,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:38:48,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:38:48,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47" (1/1) ... [2022-07-12 13:38:48,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47" (1/1) ... [2022-07-12 13:38:48,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47" (1/1) ... [2022-07-12 13:38:48,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47" (1/1) ... [2022-07-12 13:38:48,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47" (1/1) ... [2022-07-12 13:38:48,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47" (1/1) ... [2022-07-12 13:38:48,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47" (1/1) ... [2022-07-12 13:38:48,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:38:48,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:38:48,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:38:48,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:38:48,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47" (1/1) ... [2022-07-12 13:38:48,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:38:48,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:38:48,757 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) [2022-07-12 13:38:48,767 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 [2022-07-12 13:38:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-07-12 13:38:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-07-12 13:38:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-07-12 13:38:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-07-12 13:38:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 13:38:48,781 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 13:38:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-07-12 13:38:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-07-12 13:38:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-07-12 13:38:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-07-12 13:38:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-07-12 13:38:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-07-12 13:38:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-07-12 13:38:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-07-12 13:38:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-12 13:38:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-07-12 13:38:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-07-12 13:38:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-07-12 13:38:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-07-12 13:38:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-07-12 13:38:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-07-12 13:38:48,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:38:48,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:38:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-07-12 13:38:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-07-12 13:38:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-07-12 13:38:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-07-12 13:38:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-12 13:38:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-12 13:38:48,784 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-12 13:38:48,784 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-12 13:38:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-07-12 13:38:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-07-12 13:38:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-07-12 13:38:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-07-12 13:38:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:38:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:38:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-07-12 13:38:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-07-12 13:38:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-07-12 13:38:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-07-12 13:38:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-12 13:38:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-12 13:38:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-07-12 13:38:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-07-12 13:38:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-07-12 13:38:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-07-12 13:38:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-07-12 13:38:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-12 13:38:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-12 13:38:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-12 13:38:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-12 13:38:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-07-12 13:38:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-07-12 13:38:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-07-12 13:38:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-07-12 13:38:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:38:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:38:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-07-12 13:38:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-07-12 13:38:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-07-12 13:38:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-07-12 13:38:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 13:38:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 13:38:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-07-12 13:38:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-07-12 13:38:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-07-12 13:38:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-07-12 13:38:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-07-12 13:38:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-07-12 13:38:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-07-12 13:38:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-07-12 13:38:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-07-12 13:38:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-07-12 13:38:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-07-12 13:38:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-07-12 13:38:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 13:38:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 13:38:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-07-12 13:38:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-07-12 13:38:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-07-12 13:38:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-07-12 13:38:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-07-12 13:38:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-07-12 13:38:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-07-12 13:38:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-07-12 13:38:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-07-12 13:38:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-07-12 13:38:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-12 13:38:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-12 13:38:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-12 13:38:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-07-12 13:38:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-07-12 13:38:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-07-12 13:38:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-07-12 13:38:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 13:38:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 13:38:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 13:38:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 13:38:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-07-12 13:38:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-07-12 13:38:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:38:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-07-12 13:38:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-07-12 13:38:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-07-12 13:38:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-07-12 13:38:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 13:38:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 13:38:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-07-12 13:38:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-07-12 13:38:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-07-12 13:38:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-07-12 13:38:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 13:38:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 13:38:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-07-12 13:38:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-07-12 13:38:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 13:38:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-07-12 13:38:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-07-12 13:38:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-07-12 13:38:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-07-12 13:38:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 13:38:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 13:38:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-07-12 13:38:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-07-12 13:38:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-07-12 13:38:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-07-12 13:38:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 13:38:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-07-12 13:38:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-07-12 13:38:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-07-12 13:38:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-07-12 13:38:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-07-12 13:38:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-07-12 13:38:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-07-12 13:38:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-07-12 13:38:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 13:38:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-07-12 13:38:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-07-12 13:38:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-07-12 13:38:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-07-12 13:38:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:38:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:38:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-07-12 13:38:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-07-12 13:38:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-07-12 13:38:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-07-12 13:38:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-07-12 13:38:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-07-12 13:38:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-12 13:38:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-12 13:38:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-07-12 13:38:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-07-12 13:38:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-07-12 13:38:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-07-12 13:38:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 13:38:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 13:38:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-07-12 13:38:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-07-12 13:38:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-07-12 13:38:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-07-12 13:38:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2022-07-12 13:38:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2022-07-12 13:38:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:38:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:38:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-07-12 13:38:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-07-12 13:38:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-07-12 13:38:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-07-12 13:38:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-07-12 13:38:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-07-12 13:38:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:38:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-12 13:38:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-12 13:38:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-07-12 13:38:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-07-12 13:38:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 13:38:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 13:38:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:38:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-07-12 13:38:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-07-12 13:38:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-07-12 13:38:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-07-12 13:38:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-07-12 13:38:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-07-12 13:38:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:38:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:38:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:38:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-07-12 13:38:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-07-12 13:38:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-12 13:38:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-12 13:38:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-07-12 13:38:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-07-12 13:38:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-07-12 13:38:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-07-12 13:38:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-07-12 13:38:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-07-12 13:38:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-12 13:38:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-12 13:38:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-07-12 13:38:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-07-12 13:38:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-07-12 13:38:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-07-12 13:38:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-12 13:38:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-12 13:38:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-07-12 13:38:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-07-12 13:38:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-07-12 13:38:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-07-12 13:38:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 13:38:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 13:38:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-07-12 13:38:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-07-12 13:38:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-07-12 13:38:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-07-12 13:38:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-07-12 13:38:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-07-12 13:38:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-07-12 13:38:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-07-12 13:38:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-07-12 13:38:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-07-12 13:38:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-12 13:38:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-12 13:38:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-07-12 13:38:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-07-12 13:38:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 13:38:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 13:38:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 13:38:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 13:38:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-07-12 13:38:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-07-12 13:38:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-07-12 13:38:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-07-12 13:38:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-07-12 13:38:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-07-12 13:38:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-07-12 13:38:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-07-12 13:38:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 13:38:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 13:38:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-07-12 13:38:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-07-12 13:38:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:38:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:38:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-07-12 13:38:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-07-12 13:38:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 13:38:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 13:38:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-07-12 13:38:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-07-12 13:38:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-07-12 13:38:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-07-12 13:38:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-12 13:38:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-12 13:38:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-07-12 13:38:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-07-12 13:38:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-07-12 13:38:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-07-12 13:38:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-07-12 13:38:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-07-12 13:38:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:38:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:38:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:38:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:38:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-07-12 13:38:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-07-12 13:38:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-07-12 13:38:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-07-12 13:38:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-07-12 13:38:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-07-12 13:38:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-07-12 13:38:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-07-12 13:38:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-07-12 13:38:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-07-12 13:38:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-07-12 13:38:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-07-12 13:38:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-07-12 13:38:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-07-12 13:38:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-07-12 13:38:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-07-12 13:38:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-07-12 13:38:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-07-12 13:38:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2022-07-12 13:38:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2022-07-12 13:38:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-07-12 13:38:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-07-12 13:38:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-07-12 13:38:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-07-12 13:38:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-07-12 13:38:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-07-12 13:38:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:38:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:38:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-07-12 13:38:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-07-12 13:38:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:38:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:38:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-12 13:38:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-12 13:38:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-07-12 13:38:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-07-12 13:38:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 13:38:48,814 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 13:38:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:38:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:38:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-07-12 13:38:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-07-12 13:38:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:38:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:38:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-12 13:38:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-12 13:38:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-07-12 13:38:48,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-07-12 13:38:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-07-12 13:38:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-07-12 13:38:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 13:38:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 13:38:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-07-12 13:38:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-07-12 13:38:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 13:38:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 13:38:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-07-12 13:38:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-07-12 13:38:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-07-12 13:38:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-07-12 13:38:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-07-12 13:38:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-07-12 13:38:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-12 13:38:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-12 13:38:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 13:38:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 13:38:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:38:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 13:38:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 13:38:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-12 13:38:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-12 13:38:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-07-12 13:38:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-07-12 13:38:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:38:48,818 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-07-12 13:38:48,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-07-12 13:38:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-12 13:38:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-12 13:38:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-07-12 13:38:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-07-12 13:38:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-07-12 13:38:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-07-12 13:38:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-12 13:38:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-12 13:38:48,819 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-07-12 13:38:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-07-12 13:38:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-07-12 13:38:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-07-12 13:38:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-07-12 13:38:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-07-12 13:38:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:38:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-12 13:38:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-12 13:38:48,820 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-07-12 13:38:48,820 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-07-12 13:38:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 13:38:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 13:38:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 13:38:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 13:38:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 13:38:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 13:38:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-07-12 13:38:48,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-07-12 13:38:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 13:38:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 13:38:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-07-12 13:38:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-07-12 13:38:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-07-12 13:38:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-07-12 13:38:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-07-12 13:38:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-07-12 13:38:48,822 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-12 13:38:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-12 13:38:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-07-12 13:38:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-07-12 13:38:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-07-12 13:38:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-07-12 13:38:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-07-12 13:38:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-07-12 13:38:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-12 13:38:48,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-12 13:38:48,823 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-07-12 13:38:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-07-12 13:38:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 13:38:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 13:38:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-07-12 13:38:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-07-12 13:38:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-07-12 13:38:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-07-12 13:38:48,824 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-07-12 13:38:48,824 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-07-12 13:38:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-07-12 13:38:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-07-12 13:38:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-07-12 13:38:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-07-12 13:38:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-07-12 13:38:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-07-12 13:38:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-07-12 13:38:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-07-12 13:38:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-07-12 13:38:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-07-12 13:38:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-07-12 13:38:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-07-12 13:38:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 13:38:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 13:38:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-07-12 13:38:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-07-12 13:38:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-07-12 13:38:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:38:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:38:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-07-12 13:38:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-07-12 13:38:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 13:38:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-07-12 13:38:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-07-12 13:38:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-07-12 13:38:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-07-12 13:38:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:38:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:38:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-07-12 13:38:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-07-12 13:38:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:38:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:38:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-07-12 13:38:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-07-12 13:38:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-07-12 13:38:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-07-12 13:38:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 13:38:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 13:38:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-07-12 13:38:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-07-12 13:38:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-07-12 13:38:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-07-12 13:38:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-07-12 13:38:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-07-12 13:38:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-07-12 13:38:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-07-12 13:38:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-07-12 13:38:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-07-12 13:38:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-12 13:38:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-12 13:38:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-07-12 13:38:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-07-12 13:38:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-07-12 13:38:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-07-12 13:38:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-07-12 13:38:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-07-12 13:38:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 13:38:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 13:38:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-07-12 13:38:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-07-12 13:38:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-07-12 13:38:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-07-12 13:38:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-07-12 13:38:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-07-12 13:38:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 13:38:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 13:38:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-07-12 13:38:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-07-12 13:38:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-07-12 13:38:48,832 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-07-12 13:38:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-07-12 13:38:48,832 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-07-12 13:38:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-12 13:38:48,832 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-12 13:38:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-07-12 13:38:48,832 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-07-12 13:38:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-12 13:38:48,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-12 13:38:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-07-12 13:38:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-07-12 13:38:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-07-12 13:38:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-07-12 13:38:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-07-12 13:38:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-07-12 13:38:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-12 13:38:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-07-12 13:38:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-07-12 13:38:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-07-12 13:38:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-07-12 13:38:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-07-12 13:38:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-07-12 13:38:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-07-12 13:38:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-07-12 13:38:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 13:38:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 13:38:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:38:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:38:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-07-12 13:38:48,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-07-12 13:38:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-07-12 13:38:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-07-12 13:38:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-07-12 13:38:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-07-12 13:38:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-07-12 13:38:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-07-12 13:38:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 13:38:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-07-12 13:38:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-07-12 13:38:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-07-12 13:38:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-07-12 13:38:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-12 13:38:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-12 13:38:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 13:38:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-12 13:38:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-12 13:38:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-07-12 13:38:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-07-12 13:38:50,026 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:38:50,037 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:38:50,619 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:38:59,933 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:38:59,959 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:38:59,959 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:38:59,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:38:59 BoogieIcfgContainer [2022-07-12 13:38:59,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:38:59,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:38:59,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:38:59,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:38:59,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:38:44" (1/3) ... [2022-07-12 13:38:59,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e44cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:38:59, skipping insertion in model container [2022-07-12 13:38:59,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:38:47" (2/3) ... [2022-07-12 13:38:59,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e44cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:38:59, skipping insertion in model container [2022-07-12 13:38:59,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:38:59" (3/3) ... [2022-07-12 13:38:59,970 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-12 13:38:59,979 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:38:59,979 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:39:00,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:39:00,123 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@21c097c6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@30d60f0d [2022-07-12 13:39:00,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:39:00,134 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) [2022-07-12 13:39:00,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-12 13:39:00,149 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:39:00,150 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] [2022-07-12 13:39:00,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:39:00,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:39:00,154 INFO L85 PathProgramCache]: Analyzing trace with hash -820705973, now seen corresponding path program 1 times [2022-07-12 13:39:00,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:39:00,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904983839] [2022-07-12 13:39:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:39:00,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:39:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:39:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:39:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:39:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:39:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:39:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:39:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:39:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:39:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:39:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:39:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:39:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:39:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:39:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:39:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:39:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:39:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:39:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:39:00,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:39:00,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904983839] [2022-07-12 13:39:00,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904983839] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:39:00,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:39:00,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:39:00,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199687941] [2022-07-12 13:39:00,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:39:00,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:39:00,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:39:00,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:39:00,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:39:00,977 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) [2022-07-12 13:39:11,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:39:12,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:39:12,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:39:12,726 INFO L93 Difference]: Finished difference Result 8462 states and 12373 transitions. [2022-07-12 13:39:12,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 13:39:12,730 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 [2022-07-12 13:39:12,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:39:12,781 INFO L225 Difference]: With dead ends: 8462 [2022-07-12 13:39:12,781 INFO L226 Difference]: Without dead ends: 4558 [2022-07-12 13:39:12,804 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 [2022-07-12 13:39:12,808 INFO L413 NwaCegarLoop]: 4938 mSDtfsCounter, 4326 mSDsluCounter, 2169 mSDsCounter, 0 mSdLazyCounter, 2295 mSolverCounterSat, 5052 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4437 SdHoareTripleChecker+Valid, 7107 SdHoareTripleChecker+Invalid, 7347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5052 IncrementalHoareTripleChecker+Valid, 2295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:39:12,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4437 Valid, 7107 Invalid, 7347 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5052 Valid, 2295 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-07-12 13:39:12,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2022-07-12 13:39:12,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 3867. [2022-07-12 13:39:13,007 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) [2022-07-12 13:39:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 5419 transitions. [2022-07-12 13:39:13,032 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 5419 transitions. Word has length 253 [2022-07-12 13:39:13,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:39:13,034 INFO L495 AbstractCegarLoop]: Abstraction has 3867 states and 5419 transitions. [2022-07-12 13:39:13,034 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) [2022-07-12 13:39:13,034 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 5419 transitions. [2022-07-12 13:39:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-12 13:39:13,043 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:39:13,044 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] [2022-07-12 13:39:13,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 13:39:13,044 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:39:13,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:39:13,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1618881671, now seen corresponding path program 1 times [2022-07-12 13:39:13,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:39:13,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202172444] [2022-07-12 13:39:13,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:39:13,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:39:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:39:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:39:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:39:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:39:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:39:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:39:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:39:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:39:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:39:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:39:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:39:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:39:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:39:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:39:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:39:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:39:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:39:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:39:13,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:39:13,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202172444] [2022-07-12 13:39:13,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202172444] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:39:13,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:39:13,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:39:13,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309174754] [2022-07-12 13:39:13,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:39:13,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:39:13,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:39:13,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:39:13,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:39:13,646 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) [2022-07-12 13:39:19,085 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 [] [2022-07-12 13:39:24,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:39:24,871 INFO L93 Difference]: Finished difference Result 4560 states and 6602 transitions. [2022-07-12 13:39:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 13:39:24,872 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 [2022-07-12 13:39:24,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:39:24,901 INFO L225 Difference]: With dead ends: 4560 [2022-07-12 13:39:24,901 INFO L226 Difference]: Without dead ends: 4557 [2022-07-12 13:39:24,905 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 [2022-07-12 13:39:24,906 INFO L413 NwaCegarLoop]: 4835 mSDtfsCounter, 9011 mSDsluCounter, 2152 mSDsCounter, 0 mSdLazyCounter, 2359 mSolverCounterSat, 6157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9649 SdHoareTripleChecker+Valid, 6987 SdHoareTripleChecker+Invalid, 8516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6157 IncrementalHoareTripleChecker+Valid, 2359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-12 13:39:24,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9649 Valid, 6987 Invalid, 8516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6157 Valid, 2359 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-07-12 13:39:24,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2022-07-12 13:39:25,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 3866. [2022-07-12 13:39:25,102 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) [2022-07-12 13:39:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 5417 transitions. [2022-07-12 13:39:25,117 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 5417 transitions. Word has length 253 [2022-07-12 13:39:25,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:39:25,119 INFO L495 AbstractCegarLoop]: Abstraction has 3866 states and 5417 transitions. [2022-07-12 13:39:25,119 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) [2022-07-12 13:39:25,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 5417 transitions. [2022-07-12 13:39:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-12 13:39:25,124 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:39:25,124 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] [2022-07-12 13:39:25,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 13:39:25,125 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:39:25,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:39:25,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1352310769, now seen corresponding path program 1 times [2022-07-12 13:39:25,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:39:25,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897045775] [2022-07-12 13:39:25,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:39:25,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:39:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:39:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:39:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:39:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:39:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:39:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:39:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:39:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:39:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:39:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:39:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:39:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:39:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:39:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:39:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:39:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:39:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:39:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:25,619 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:39:25,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:39:25,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897045775] [2022-07-12 13:39:25,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897045775] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:39:25,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:39:25,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:39:25,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962836262] [2022-07-12 13:39:25,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:39:25,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:39:25,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:39:25,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:39:25,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:39:25,621 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) [2022-07-12 13:39:31,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:39:41,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:39:47,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:39:47,222 INFO L93 Difference]: Finished difference Result 4559 states and 6600 transitions. [2022-07-12 13:39:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 13:39:47,223 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 [2022-07-12 13:39:47,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:39:47,248 INFO L225 Difference]: With dead ends: 4559 [2022-07-12 13:39:47,248 INFO L226 Difference]: Without dead ends: 4556 [2022-07-12 13:39:47,251 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 [2022-07-12 13:39:47,252 INFO L413 NwaCegarLoop]: 4846 mSDtfsCounter, 7439 mSDsluCounter, 5480 mSDsCounter, 0 mSdLazyCounter, 4984 mSolverCounterSat, 4362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8079 SdHoareTripleChecker+Valid, 10326 SdHoareTripleChecker+Invalid, 9346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4362 IncrementalHoareTripleChecker+Valid, 4984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:39:47,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8079 Valid, 10326 Invalid, 9346 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4362 Valid, 4984 Invalid, 0 Unknown, 0 Unchecked, 21.3s Time] [2022-07-12 13:39:47,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4556 states. [2022-07-12 13:39:47,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4556 to 3865. [2022-07-12 13:39:47,374 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) [2022-07-12 13:39:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 5415 transitions. [2022-07-12 13:39:47,388 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 5415 transitions. Word has length 254 [2022-07-12 13:39:47,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:39:47,389 INFO L495 AbstractCegarLoop]: Abstraction has 3865 states and 5415 transitions. [2022-07-12 13:39:47,391 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) [2022-07-12 13:39:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 5415 transitions. [2022-07-12 13:39:47,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-12 13:39:47,394 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:39:47,394 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] [2022-07-12 13:39:47,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 13:39:47,394 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:39:47,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:39:47,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1029999236, now seen corresponding path program 1 times [2022-07-12 13:39:47,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:39:47,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846211343] [2022-07-12 13:39:47,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:39:47,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:39:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:39:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:39:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:39:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:39:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:39:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:39:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:39:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:39:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:39:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:39:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:39:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:39:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:39:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:39:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:39:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:39:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:39:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:39:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:39:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:39:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:39:47,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:39:47,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846211343] [2022-07-12 13:39:47,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846211343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:39:47,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:39:47,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:39:47,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022523222] [2022-07-12 13:39:47,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:39:47,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:39:47,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:39:47,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:39:47,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:39:47,875 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) [2022-07-12 13:39:51,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:39:55,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:40:04,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:40:05,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:40:06,879 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 [] [2022-07-12 13:40:07,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:40:07,924 INFO L93 Difference]: Finished difference Result 4558 states and 6598 transitions. [2022-07-12 13:40:07,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 13:40:07,925 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 [2022-07-12 13:40:07,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:40:07,957 INFO L225 Difference]: With dead ends: 4558 [2022-07-12 13:40:07,957 INFO L226 Difference]: Without dead ends: 4555 [2022-07-12 13:40:07,960 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 [2022-07-12 13:40:07,975 INFO L413 NwaCegarLoop]: 4842 mSDtfsCounter, 7822 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 3687 mSolverCounterSat, 4570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8458 SdHoareTripleChecker+Valid, 8544 SdHoareTripleChecker+Invalid, 8257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4570 IncrementalHoareTripleChecker+Valid, 3687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:40:07,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8458 Valid, 8544 Invalid, 8257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4570 Valid, 3687 Invalid, 0 Unknown, 0 Unchecked, 19.7s Time] [2022-07-12 13:40:07,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2022-07-12 13:40:08,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 3864. [2022-07-12 13:40:08,109 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) [2022-07-12 13:40:08,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5413 transitions. [2022-07-12 13:40:08,126 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5413 transitions. Word has length 255 [2022-07-12 13:40:08,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:40:08,129 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5413 transitions. [2022-07-12 13:40:08,130 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) [2022-07-12 13:40:08,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5413 transitions. [2022-07-12 13:40:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-12 13:40:08,134 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:40:08,134 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] [2022-07-12 13:40:08,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 13:40:08,134 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:40:08,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:40:08,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1867160492, now seen corresponding path program 1 times [2022-07-12 13:40:08,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:40:08,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341386774] [2022-07-12 13:40:08,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:40:08,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:40:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:40:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:40:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:40:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:40:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:40:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:40:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:40:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:40:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:40:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:40:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:40:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:40:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:40:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:40:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:40:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:40:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:40:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:40:08,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:40:08,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341386774] [2022-07-12 13:40:08,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341386774] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:40:08,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:40:08,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:40:08,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696289846] [2022-07-12 13:40:08,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:40:08,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:40:08,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:40:08,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:40:08,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:40:08,604 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) [2022-07-12 13:40:14,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:40:23,060 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 [] [2022-07-12 13:40:24,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:40:24,021 INFO L93 Difference]: Finished difference Result 4568 states and 6605 transitions. [2022-07-12 13:40:24,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:40:24,022 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 [2022-07-12 13:40:24,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:40:24,048 INFO L225 Difference]: With dead ends: 4568 [2022-07-12 13:40:24,049 INFO L226 Difference]: Without dead ends: 4555 [2022-07-12 13:40:24,055 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 [2022-07-12 13:40:24,056 INFO L413 NwaCegarLoop]: 4838 mSDtfsCounter, 9003 mSDsluCounter, 2171 mSDsCounter, 0 mSdLazyCounter, 2364 mSolverCounterSat, 6202 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9608 SdHoareTripleChecker+Valid, 7009 SdHoareTripleChecker+Invalid, 8567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6202 IncrementalHoareTripleChecker+Valid, 2364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-07-12 13:40:24,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9608 Valid, 7009 Invalid, 8567 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6202 Valid, 2364 Invalid, 1 Unknown, 0 Unchecked, 14.9s Time] [2022-07-12 13:40:24,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2022-07-12 13:40:24,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 3864. [2022-07-12 13:40:24,213 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) [2022-07-12 13:40:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5407 transitions. [2022-07-12 13:40:24,229 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5407 transitions. Word has length 256 [2022-07-12 13:40:24,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:40:24,229 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5407 transitions. [2022-07-12 13:40:24,230 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) [2022-07-12 13:40:24,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5407 transitions. [2022-07-12 13:40:24,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-12 13:40:24,237 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:40:24,237 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] [2022-07-12 13:40:24,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 13:40:24,238 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:40:24,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:40:24,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1914009865, now seen corresponding path program 1 times [2022-07-12 13:40:24,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:40:24,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206571814] [2022-07-12 13:40:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:40:24,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:40:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:40:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:40:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:40:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:40:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:40:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:40:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:40:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:40:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:40:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:40:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:40:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:40:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:40:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:40:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:40:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:40:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:40:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 13:40:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 13:40:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-12 13:40:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:40:24,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:40:24,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206571814] [2022-07-12 13:40:24,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206571814] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:40:24,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:40:24,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:40:24,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17876883] [2022-07-12 13:40:24,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:40:24,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:40:24,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:40:24,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:40:24,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:40:24,754 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) [2022-07-12 13:40:28,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:40:47,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:40:51,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:40:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:40:52,536 INFO L93 Difference]: Finished difference Result 12808 states and 18511 transitions. [2022-07-12 13:40:52,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 13:40:52,537 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 [2022-07-12 13:40:52,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:40:52,587 INFO L225 Difference]: With dead ends: 12808 [2022-07-12 13:40:52,588 INFO L226 Difference]: Without dead ends: 8983 [2022-07-12 13:40:52,609 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 [2022-07-12 13:40:52,610 INFO L413 NwaCegarLoop]: 5355 mSDtfsCounter, 14885 mSDsluCounter, 5340 mSDsCounter, 0 mSdLazyCounter, 10580 mSolverCounterSat, 15243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15672 SdHoareTripleChecker+Valid, 10695 SdHoareTripleChecker+Invalid, 25823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15243 IncrementalHoareTripleChecker+Valid, 10580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-07-12 13:40:52,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15672 Valid, 10695 Invalid, 25823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15243 Valid, 10580 Invalid, 0 Unknown, 0 Unchecked, 26.9s Time] [2022-07-12 13:40:52,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8983 states. [2022-07-12 13:40:52,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8983 to 6587. [2022-07-12 13:40:52,972 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) [2022-07-12 13:40:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 9115 transitions. [2022-07-12 13:40:53,000 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 9115 transitions. Word has length 288 [2022-07-12 13:40:53,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:40:53,001 INFO L495 AbstractCegarLoop]: Abstraction has 6587 states and 9115 transitions. [2022-07-12 13:40:53,001 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) [2022-07-12 13:40:53,001 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 9115 transitions. [2022-07-12 13:40:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-12 13:40:53,012 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:40:53,012 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] [2022-07-12 13:40:53,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 13:40:53,013 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:40:53,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:40:53,013 INFO L85 PathProgramCache]: Analyzing trace with hash 417864957, now seen corresponding path program 1 times [2022-07-12 13:40:53,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:40:53,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602411550] [2022-07-12 13:40:53,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:40:53,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:40:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:40:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:40:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:40:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:40:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:40:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:40:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:40:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:40:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:40:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:40:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:40:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:40:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:40:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:40:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:40:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:40:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:40:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-12 13:40:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 13:40:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 13:40:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:40:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:40:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-12 13:40:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 13:40:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-12 13:40:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:40:53,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2022-07-12 13:40:53,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:40:53,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602411550] [2022-07-12 13:40:53,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602411550] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:40:53,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:40:53,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 13:40:53,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713985686] [2022-07-12 13:40:53,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:40:53,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 13:40:53,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:40:53,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 13:40:53,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:40:53,408 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) [2022-07-12 13:40:57,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:41:08,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:41:22,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:41:24,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:41:26,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:41:29,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:41:30,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:41:33,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:41:33,259 INFO L93 Difference]: Finished difference Result 20237 states and 29275 transitions. [2022-07-12 13:41:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 13:41:33,260 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 [2022-07-12 13:41:33,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:41:33,335 INFO L225 Difference]: With dead ends: 20237 [2022-07-12 13:41:33,336 INFO L226 Difference]: Without dead ends: 13689 [2022-07-12 13:41:33,362 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 [2022-07-12 13:41:33,363 INFO L413 NwaCegarLoop]: 7110 mSDtfsCounter, 14124 mSDsluCounter, 7744 mSDsCounter, 0 mSdLazyCounter, 14282 mSolverCounterSat, 15975 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15073 SdHoareTripleChecker+Valid, 14854 SdHoareTripleChecker+Invalid, 30258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15975 IncrementalHoareTripleChecker+Valid, 14282 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:41:33,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15073 Valid, 14854 Invalid, 30258 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15975 Valid, 14282 Invalid, 1 Unknown, 0 Unchecked, 38.7s Time] [2022-07-12 13:41:33,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13689 states. [2022-07-12 13:41:33,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13689 to 9662. [2022-07-12 13:41:33,812 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) [2022-07-12 13:41:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9662 states to 9662 states and 13315 transitions. [2022-07-12 13:41:33,850 INFO L78 Accepts]: Start accepts. Automaton has 9662 states and 13315 transitions. Word has length 341 [2022-07-12 13:41:33,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:41:33,851 INFO L495 AbstractCegarLoop]: Abstraction has 9662 states and 13315 transitions. [2022-07-12 13:41:33,852 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) [2022-07-12 13:41:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 9662 states and 13315 transitions. [2022-07-12 13:41:33,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-07-12 13:41:33,861 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:41:33,861 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] [2022-07-12 13:41:33,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 13:41:33,861 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:41:33,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:41:33,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1340027603, now seen corresponding path program 1 times [2022-07-12 13:41:33,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:41:33,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571252028] [2022-07-12 13:41:33,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:41:33,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:41:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:41:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:41:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:41:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:41:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:41:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:41:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:41:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:41:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:41:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:41:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:41:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:41:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:41:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:41:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:41:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:41:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:41:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:41:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:41:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:41:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 13:41:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 13:41:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 13:41:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:41:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:41:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 13:41:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 13:41:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 13:41:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-12 13:41:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-12 13:41:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-12 13:41:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:41:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-12 13:41:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 13:41:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-12 13:41:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-12 13:41:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:41:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-12 13:41:34,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:41:34,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571252028] [2022-07-12 13:41:34,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571252028] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:41:34,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:41:34,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:41:34,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048661358] [2022-07-12 13:41:34,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:41:34,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:41:34,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:41:34,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:41:34,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:41:34,299 INFO L87 Difference]: Start difference. First operand 9662 states and 13315 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 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) [2022-07-12 13:41:49,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:41:51,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:41:51,304 INFO L93 Difference]: Finished difference Result 13313 states and 19436 transitions. [2022-07-12 13:41:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 13:41:51,305 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 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 342 [2022-07-12 13:41:51,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:41:51,308 INFO L225 Difference]: With dead ends: 13313 [2022-07-12 13:41:51,308 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 13:41:51,349 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 [2022-07-12 13:41:51,350 INFO L413 NwaCegarLoop]: 4449 mSDtfsCounter, 7176 mSDsluCounter, 4731 mSDsCounter, 0 mSdLazyCounter, 8306 mSolverCounterSat, 7783 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7749 SdHoareTripleChecker+Valid, 9180 SdHoareTripleChecker+Invalid, 16090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7783 IncrementalHoareTripleChecker+Valid, 8306 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:41:51,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7749 Valid, 9180 Invalid, 16090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7783 Valid, 8306 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2022-07-12 13:41:51,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 13:41:51,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 13:41:51,351 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) [2022-07-12 13:41:51,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 13:41:51,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2022-07-12 13:41:51,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:41:51,354 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 13:41:51,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 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) [2022-07-12 13:41:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 13:41:51,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 13:41:51,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 13:41:51,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 13:41:51,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.