./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-791161d [2022-07-23 00:55:24,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:55:24,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:55:24,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:55:24,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:55:24,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:55:24,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:55:24,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:55:24,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:55:24,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:55:24,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:55:24,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:55:24,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:55:24,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:55:24,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:55:24,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:55:24,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:55:24,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:55:24,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:55:24,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:55:24,227 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:55:24,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:55:24,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:55:24,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:55:24,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:55:24,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:55:24,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:55:24,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:55:24,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:55:24,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:55:24,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:55:24,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:55:24,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:55:24,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:55:24,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:55:24,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:55:24,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:55:24,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:55:24,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:55:24,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:55:24,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:55:24,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:55:24,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:55:24,272 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:55:24,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:55:24,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:55:24,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:55:24,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:55:24,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:55:24,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:55:24,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:55:24,275 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:55:24,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:55:24,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:55:24,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:55:24,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:55:24,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:55:24,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:55:24,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:55:24,278 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:55:24,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:55:24,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:55:24,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:55:24,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:55:24,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:55:24,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:55:24,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:55:24,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:55:24,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:55:24,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:55:24,280 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:55:24,280 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:55:24,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:55:24,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2022-07-23 00:55:24,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:55:24,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:55:24,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:55:24,574 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:55:24,575 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:55:24,577 INFO L432 ainManager$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 [2022-07-23 00:55:24,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e545d810e/3032d911c3314383a0571556450764bd/FLAG451daf9ec [2022-07-23 00:55:25,445 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:55:25,446 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 [2022-07-23 00:55:25,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e545d810e/3032d911c3314383a0571556450764bd/FLAG451daf9ec [2022-07-23 00:55:25,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e545d810e/3032d911c3314383a0571556450764bd [2022-07-23 00:55:25,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:55:25,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:55:25,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:55:25,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:55:25,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:55:25,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:55:25" (1/1) ... [2022-07-23 00:55:25,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1444c3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:25, skipping insertion in model container [2022-07-23 00:55:25,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:55:25" (1/1) ... [2022-07-23 00:55:25,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:55:25,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:55:30,130 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] [2022-07-23 00:55:30,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:55:30,421 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:55:30,779 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] [2022-07-23 00:55:30,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:55:31,030 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:55:31,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31 WrapperNode [2022-07-23 00:55:31,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:55:31,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:55:31,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:55:31,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:55:31,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31" (1/1) ... [2022-07-23 00:55:31,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31" (1/1) ... [2022-07-23 00:55:31,464 INFO L137 Inliner]: procedures = 664, calls = 4061, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9806 [2022-07-23 00:55:31,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:55:31,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:55:31,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:55:31,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:55:31,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31" (1/1) ... [2022-07-23 00:55:31,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31" (1/1) ... [2022-07-23 00:55:31,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31" (1/1) ... [2022-07-23 00:55:31,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31" (1/1) ... [2022-07-23 00:55:31,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31" (1/1) ... [2022-07-23 00:55:31,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31" (1/1) ... [2022-07-23 00:55:31,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31" (1/1) ... [2022-07-23 00:55:31,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:55:31,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:55:31,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:55:31,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:55:31,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31" (1/1) ... [2022-07-23 00:55:31,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:55:31,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:55:31,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 00:55:31,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 00:55:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-07-23 00:55:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-07-23 00:55:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-07-23 00:55:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-07-23 00:55:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 00:55:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 00:55:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-07-23 00:55:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-07-23 00:55:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-07-23 00:55:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-07-23 00:55:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-07-23 00:55:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-07-23 00:55:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-07-23 00:55:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-07-23 00:55:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-23 00:55:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-07-23 00:55:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-07-23 00:55:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-07-23 00:55:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-07-23 00:55:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-07-23 00:55:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-07-23 00:55:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:55:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:55:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-07-23 00:55:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-07-23 00:55:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-07-23 00:55:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-07-23 00:55:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-23 00:55:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-23 00:55:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-23 00:55:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-23 00:55:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-07-23 00:55:31,973 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-07-23 00:55:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-07-23 00:55:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-07-23 00:55:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:55:31,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:55:31,974 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-07-23 00:55:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-07-23 00:55:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-07-23 00:55:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-07-23 00:55:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-23 00:55:31,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-23 00:55:31,975 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-07-23 00:55:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-07-23 00:55:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-07-23 00:55:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-07-23 00:55:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-07-23 00:55:31,976 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-23 00:55:31,976 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-23 00:55:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-23 00:55:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-23 00:55:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-07-23 00:55:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-07-23 00:55:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-07-23 00:55:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-07-23 00:55:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:55:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:55:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-07-23 00:55:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-07-23 00:55:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-07-23 00:55:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-07-23 00:55:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 00:55:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 00:55:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-07-23 00:55:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-07-23 00:55:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-07-23 00:55:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-07-23 00:55:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-07-23 00:55:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-07-23 00:55:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-07-23 00:55:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-07-23 00:55:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-07-23 00:55:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-07-23 00:55:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-07-23 00:55:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-07-23 00:55:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 00:55:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 00:55:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-07-23 00:55:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-07-23 00:55:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-07-23 00:55:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-07-23 00:55:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-07-23 00:55:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-07-23 00:55:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-07-23 00:55:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-07-23 00:55:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-07-23 00:55:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-07-23 00:55:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-23 00:55:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-23 00:55:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-23 00:55:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-07-23 00:55:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-07-23 00:55:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-07-23 00:55:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-07-23 00:55:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 00:55:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 00:55:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:55:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:55:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-07-23 00:55:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-07-23 00:55:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:55:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-07-23 00:55:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-07-23 00:55:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-07-23 00:55:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-07-23 00:55:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 00:55:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 00:55:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-07-23 00:55:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-07-23 00:55:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-07-23 00:55:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-07-23 00:55:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-23 00:55:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-23 00:55:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-07-23 00:55:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-07-23 00:55:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 00:55:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-07-23 00:55:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-07-23 00:55:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-07-23 00:55:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-07-23 00:55:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 00:55:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 00:55:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-07-23 00:55:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-07-23 00:55:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-07-23 00:55:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-07-23 00:55:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 00:55:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-07-23 00:55:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-07-23 00:55:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-07-23 00:55:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-07-23 00:55:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-07-23 00:55:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-07-23 00:55:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-07-23 00:55:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-07-23 00:55:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:55:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-07-23 00:55:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-07-23 00:55:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-07-23 00:55:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-07-23 00:55:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:55:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:55:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-07-23 00:55:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-07-23 00:55:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-07-23 00:55:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-07-23 00:55:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-07-23 00:55:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-07-23 00:55:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-23 00:55:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-23 00:55:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-07-23 00:55:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-07-23 00:55:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-07-23 00:55:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-07-23 00:55:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 00:55:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 00:55:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-07-23 00:55:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-07-23 00:55:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-07-23 00:55:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-07-23 00:55:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2022-07-23 00:55:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2022-07-23 00:55:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:55:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:55:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-07-23 00:55:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-07-23 00:55:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-07-23 00:55:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-07-23 00:55:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-07-23 00:55:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-07-23 00:55:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:55:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-23 00:55:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-23 00:55:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-07-23 00:55:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-07-23 00:55:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-23 00:55:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-23 00:55:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:55:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-07-23 00:55:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-07-23 00:55:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-07-23 00:55:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-07-23 00:55:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-07-23 00:55:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-07-23 00:55:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:55:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:55:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:55:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-07-23 00:55:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-07-23 00:55:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-23 00:55:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-23 00:55:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-07-23 00:55:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-07-23 00:55:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-07-23 00:55:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-07-23 00:55:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-07-23 00:55:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-07-23 00:55:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-23 00:55:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-23 00:55:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-07-23 00:55:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-07-23 00:55:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-07-23 00:55:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-07-23 00:55:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-23 00:55:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-23 00:55:31,999 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-07-23 00:55:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-07-23 00:55:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-07-23 00:55:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-07-23 00:55:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 00:55:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 00:55:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-07-23 00:55:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-07-23 00:55:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-07-23 00:55:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-07-23 00:55:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-07-23 00:55:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-07-23 00:55:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-07-23 00:55:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-07-23 00:55:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-07-23 00:55:32,001 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-07-23 00:55:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-23 00:55:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-23 00:55:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-07-23 00:55:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-07-23 00:55:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 00:55:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 00:55:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 00:55:32,002 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 00:55:32,003 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-07-23 00:55:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-07-23 00:55:32,003 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-07-23 00:55:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-07-23 00:55:32,003 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-07-23 00:55:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-07-23 00:55:32,003 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-07-23 00:55:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-07-23 00:55:32,004 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-23 00:55:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-23 00:55:32,004 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-07-23 00:55:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-07-23 00:55:32,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:55:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:55:32,004 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-07-23 00:55:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-07-23 00:55:32,005 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 00:55:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 00:55:32,005 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-07-23 00:55:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-07-23 00:55:32,005 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-07-23 00:55:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-07-23 00:55:32,005 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-23 00:55:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-23 00:55:32,006 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-07-23 00:55:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-07-23 00:55:32,006 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-07-23 00:55:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-07-23 00:55:32,006 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-07-23 00:55:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-07-23 00:55:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:55:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:55:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:55:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:55:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-07-23 00:55:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-07-23 00:55:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-07-23 00:55:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-07-23 00:55:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-07-23 00:55:32,008 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-07-23 00:55:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-07-23 00:55:32,008 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-07-23 00:55:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-07-23 00:55:32,008 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-07-23 00:55:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-07-23 00:55:32,008 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-07-23 00:55:32,009 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-07-23 00:55:32,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-07-23 00:55:32,009 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-07-23 00:55:32,009 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-07-23 00:55:32,009 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-07-23 00:55:32,009 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-07-23 00:55:32,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2022-07-23 00:55:32,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2022-07-23 00:55:32,010 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-07-23 00:55:32,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-07-23 00:55:32,010 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-07-23 00:55:32,010 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-07-23 00:55:32,010 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-07-23 00:55:32,010 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-07-23 00:55:32,010 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:55:32,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:55:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-07-23 00:55:32,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-07-23 00:55:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:55:32,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:55:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-23 00:55:32,011 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-23 00:55:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-07-23 00:55:32,012 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-07-23 00:55:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 00:55:32,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 00:55:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:55:32,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:55:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-07-23 00:55:32,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-07-23 00:55:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:55:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:55:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-23 00:55:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-23 00:55:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-07-23 00:55:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-07-23 00:55:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-07-23 00:55:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-07-23 00:55:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-23 00:55:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-23 00:55:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-07-23 00:55:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-07-23 00:55:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 00:55:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 00:55:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-07-23 00:55:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-07-23 00:55:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-07-23 00:55:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-07-23 00:55:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-07-23 00:55:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-07-23 00:55:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-23 00:55:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-23 00:55:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 00:55:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 00:55:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:55:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 00:55:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 00:55:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-23 00:55:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-23 00:55:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-07-23 00:55:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-07-23 00:55:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:55:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-07-23 00:55:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-07-23 00:55:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-23 00:55:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-23 00:55:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-07-23 00:55:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-07-23 00:55:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-07-23 00:55:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-07-23 00:55:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-23 00:55:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-23 00:55:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-07-23 00:55:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-07-23 00:55:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-07-23 00:55:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-07-23 00:55:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-07-23 00:55:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-07-23 00:55:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:55:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-23 00:55:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-23 00:55:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-07-23 00:55:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-07-23 00:55:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 00:55:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 00:55:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 00:55:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 00:55:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 00:55:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 00:55:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-07-23 00:55:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-07-23 00:55:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 00:55:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 00:55:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-07-23 00:55:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-07-23 00:55:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-07-23 00:55:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-07-23 00:55:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-07-23 00:55:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-07-23 00:55:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-23 00:55:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-23 00:55:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-07-23 00:55:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-07-23 00:55:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-07-23 00:55:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-07-23 00:55:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-07-23 00:55:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-07-23 00:55:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-23 00:55:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-23 00:55:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-07-23 00:55:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-07-23 00:55:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 00:55:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 00:55:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-07-23 00:55:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-07-23 00:55:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-07-23 00:55:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-07-23 00:55:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-07-23 00:55:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-07-23 00:55:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-07-23 00:55:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-07-23 00:55:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-07-23 00:55:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-07-23 00:55:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-07-23 00:55:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-07-23 00:55:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-07-23 00:55:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-07-23 00:55:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-07-23 00:55:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-07-23 00:55:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-07-23 00:55:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-07-23 00:55:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 00:55:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 00:55:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-07-23 00:55:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-07-23 00:55:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-07-23 00:55:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:55:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:55:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-07-23 00:55:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-07-23 00:55:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:55:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-07-23 00:55:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-07-23 00:55:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-07-23 00:55:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-07-23 00:55:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:55:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:55:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-07-23 00:55:32,080 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-07-23 00:55:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:55:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:55:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-07-23 00:55:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-07-23 00:55:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-07-23 00:55:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-07-23 00:55:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 00:55:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 00:55:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-07-23 00:55:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-07-23 00:55:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-07-23 00:55:32,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-07-23 00:55:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-07-23 00:55:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-07-23 00:55:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-07-23 00:55:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-07-23 00:55:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-07-23 00:55:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-07-23 00:55:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-23 00:55:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-23 00:55:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-07-23 00:55:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-07-23 00:55:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-07-23 00:55:32,082 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-07-23 00:55:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-07-23 00:55:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-07-23 00:55:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 00:55:32,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 00:55:32,107 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-07-23 00:55:32,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-07-23 00:55:32,107 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-07-23 00:55:32,107 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-07-23 00:55:32,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-07-23 00:55:32,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-07-23 00:55:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 00:55:32,108 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 00:55:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-07-23 00:55:32,108 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-07-23 00:55:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-07-23 00:55:32,108 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-07-23 00:55:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-07-23 00:55:32,108 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-07-23 00:55:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-23 00:55:32,108 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-23 00:55:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-07-23 00:55:32,109 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-07-23 00:55:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-23 00:55:32,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-23 00:55:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-07-23 00:55:32,109 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-07-23 00:55:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-07-23 00:55:32,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-07-23 00:55:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-07-23 00:55:32,109 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-07-23 00:55:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-23 00:55:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-07-23 00:55:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-07-23 00:55:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-07-23 00:55:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-07-23 00:55:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-07-23 00:55:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-07-23 00:55:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-07-23 00:55:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-07-23 00:55:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 00:55:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 00:55:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:55:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:55:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-07-23 00:55:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-07-23 00:55:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-07-23 00:55:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-07-23 00:55:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-07-23 00:55:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-07-23 00:55:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-07-23 00:55:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-07-23 00:55:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:55:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-07-23 00:55:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-07-23 00:55:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-07-23 00:55:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-07-23 00:55:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-23 00:55:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-23 00:55:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 00:55:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-23 00:55:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-23 00:55:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-07-23 00:55:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-07-23 00:55:33,540 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:55:33,545 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:55:34,138 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:55:44,612 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:55:44,647 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:55:44,647 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:55:44,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:55:44 BoogieIcfgContainer [2022-07-23 00:55:44,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:55:44,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:55:44,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:55:44,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:55:44,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:55:25" (1/3) ... [2022-07-23 00:55:44,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1534a204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:55:44, skipping insertion in model container [2022-07-23 00:55:44,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:55:31" (2/3) ... [2022-07-23 00:55:44,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1534a204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:55:44, skipping insertion in model container [2022-07-23 00:55:44,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:55:44" (3/3) ... [2022-07-23 00:55:44,663 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-23 00:55:44,675 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:55:44,676 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:55:44,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:55:44,805 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@7ccc42d5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@146ccb23 [2022-07-23 00:55:44,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:55:44,819 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) [2022-07-23 00:55:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-23 00:55:44,839 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:55:44,840 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] [2022-07-23 00:55:44,840 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:55:44,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:55:44,844 INFO L85 PathProgramCache]: Analyzing trace with hash -820705973, now seen corresponding path program 1 times [2022-07-23 00:55:44,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:55:44,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362842905] [2022-07-23 00:55:44,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:55:44,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:55:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:55:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:55:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:55:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:55:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:55:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:55:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:55:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:55:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:55:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 00:55:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 00:55:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 00:55:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 00:55:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 00:55:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 00:55:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:55:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 00:55:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 00:55:46,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:55:46,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362842905] [2022-07-23 00:55:46,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362842905] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:55:46,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:55:46,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:55:46,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684539694] [2022-07-23 00:55:46,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:55:46,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:55:46,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:55:46,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:55:46,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:55:46,239 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) [2022-07-23 00:55:57,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:55:57,766 INFO L93 Difference]: Finished difference Result 8462 states and 12373 transitions. [2022-07-23 00:55:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 00:55:57,769 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 [2022-07-23 00:55:57,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:55:57,822 INFO L225 Difference]: With dead ends: 8462 [2022-07-23 00:55:57,822 INFO L226 Difference]: Without dead ends: 4558 [2022-07-23 00:55:57,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:55:57,862 INFO L413 NwaCegarLoop]: 4930 mSDtfsCounter, 4330 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 2293 mSolverCounterSat, 5062 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4439 SdHoareTripleChecker+Valid, 7098 SdHoareTripleChecker+Invalid, 7355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5062 IncrementalHoareTripleChecker+Valid, 2293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-23 00:55:57,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4439 Valid, 7098 Invalid, 7355 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5062 Valid, 2293 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-07-23 00:55:57,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2022-07-23 00:55:58,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 3867. [2022-07-23 00:55:58,155 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) [2022-07-23 00:55:58,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 5419 transitions. [2022-07-23 00:55:58,195 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 5419 transitions. Word has length 253 [2022-07-23 00:55:58,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:55:58,197 INFO L495 AbstractCegarLoop]: Abstraction has 3867 states and 5419 transitions. [2022-07-23 00:55:58,197 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) [2022-07-23 00:55:58,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 5419 transitions. [2022-07-23 00:55:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-23 00:55:58,208 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:55:58,208 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] [2022-07-23 00:55:58,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:55:58,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:55:58,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:55:58,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1618881671, now seen corresponding path program 1 times [2022-07-23 00:55:58,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:55:58,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128755626] [2022-07-23 00:55:58,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:55:58,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:55:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:55:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:55:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:55:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:55:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:55:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:55:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:55:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:55:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:55:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:55:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 00:55:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 00:55:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 00:55:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 00:55:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 00:55:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:58,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 00:55:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:59,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:59,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:55:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:59,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:59,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 00:55:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:59,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:55:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:55:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 00:55:59,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:55:59,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128755626] [2022-07-23 00:55:59,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128755626] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:55:59,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:55:59,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:55:59,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941125707] [2022-07-23 00:55:59,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:55:59,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:55:59,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:55:59,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:55:59,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:55:59,051 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) [2022-07-23 00:56:05,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:56:06,896 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 [] [2022-07-23 00:56:12,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:56:12,819 INFO L93 Difference]: Finished difference Result 4560 states and 6602 transitions. [2022-07-23 00:56:12,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:56:12,820 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 [2022-07-23 00:56:12,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:56:12,851 INFO L225 Difference]: With dead ends: 4560 [2022-07-23 00:56:12,851 INFO L226 Difference]: Without dead ends: 4557 [2022-07-23 00:56:12,855 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 [2022-07-23 00:56:12,857 INFO L413 NwaCegarLoop]: 4834 mSDtfsCounter, 9016 mSDsluCounter, 2154 mSDsCounter, 0 mSdLazyCounter, 2363 mSolverCounterSat, 6164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9652 SdHoareTripleChecker+Valid, 6988 SdHoareTripleChecker+Invalid, 8527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6164 IncrementalHoareTripleChecker+Valid, 2363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:56:12,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9652 Valid, 6988 Invalid, 8527 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6164 Valid, 2363 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2022-07-23 00:56:12,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2022-07-23 00:56:13,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 3866. [2022-07-23 00:56:13,026 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) [2022-07-23 00:56:13,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 5417 transitions. [2022-07-23 00:56:13,050 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 5417 transitions. Word has length 253 [2022-07-23 00:56:13,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:56:13,052 INFO L495 AbstractCegarLoop]: Abstraction has 3866 states and 5417 transitions. [2022-07-23 00:56:13,053 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) [2022-07-23 00:56:13,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 5417 transitions. [2022-07-23 00:56:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-23 00:56:13,057 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:56:13,057 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] [2022-07-23 00:56:13,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:56:13,058 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:56:13,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:56:13,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1352310769, now seen corresponding path program 1 times [2022-07-23 00:56:13,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:56:13,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498487203] [2022-07-23 00:56:13,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:56:13,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:56:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:56:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:56:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:56:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:56:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:56:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:56:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:56:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:56:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:56:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 00:56:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 00:56:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 00:56:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 00:56:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 00:56:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 00:56:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:56:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 00:56:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 00:56:13,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:56:13,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498487203] [2022-07-23 00:56:13,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498487203] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:56:13,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:56:13,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:56:13,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588486576] [2022-07-23 00:56:13,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:56:13,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:56:13,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:56:13,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:56:13,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:56:13,750 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) [2022-07-23 00:56:21,197 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 [] [2022-07-23 00:56:31,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:56:33,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:56:35,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:56:36,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:56:36,157 INFO L93 Difference]: Finished difference Result 4559 states and 6600 transitions. [2022-07-23 00:56:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:56:36,157 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 [2022-07-23 00:56:36,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:56:36,185 INFO L225 Difference]: With dead ends: 4559 [2022-07-23 00:56:36,186 INFO L226 Difference]: Without dead ends: 4556 [2022-07-23 00:56:36,190 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 [2022-07-23 00:56:36,191 INFO L413 NwaCegarLoop]: 4845 mSDtfsCounter, 7443 mSDsluCounter, 5480 mSDsCounter, 0 mSdLazyCounter, 4985 mSolverCounterSat, 4371 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8082 SdHoareTripleChecker+Valid, 10325 SdHoareTripleChecker+Invalid, 9357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4371 IncrementalHoareTripleChecker+Valid, 4985 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2022-07-23 00:56:36,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8082 Valid, 10325 Invalid, 9357 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4371 Valid, 4985 Invalid, 1 Unknown, 0 Unchecked, 21.9s Time] [2022-07-23 00:56:36,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4556 states. [2022-07-23 00:56:36,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4556 to 3865. [2022-07-23 00:56:36,342 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) [2022-07-23 00:56:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 5415 transitions. [2022-07-23 00:56:36,360 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 5415 transitions. Word has length 254 [2022-07-23 00:56:36,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:56:36,362 INFO L495 AbstractCegarLoop]: Abstraction has 3865 states and 5415 transitions. [2022-07-23 00:56:36,362 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) [2022-07-23 00:56:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 5415 transitions. [2022-07-23 00:56:36,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-23 00:56:36,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:56:36,366 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] [2022-07-23 00:56:36,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 00:56:36,366 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:56:36,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:56:36,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1029999236, now seen corresponding path program 1 times [2022-07-23 00:56:36,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:56:36,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949033099] [2022-07-23 00:56:36,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:56:36,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:56:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:56:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:56:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:56:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:56:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:56:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:56:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:56:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:56:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:56:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 00:56:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 00:56:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 00:56:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 00:56:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 00:56:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 00:56:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:56:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 00:56:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:37,011 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 00:56:37,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:56:37,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949033099] [2022-07-23 00:56:37,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949033099] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:56:37,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:56:37,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:56:37,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655477582] [2022-07-23 00:56:37,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:56:37,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:56:37,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:56:37,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:56:37,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:56:37,014 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) [2022-07-23 00:56:51,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:56:53,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:56:54,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:56:54,385 INFO L93 Difference]: Finished difference Result 4558 states and 6598 transitions. [2022-07-23 00:56:54,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:56:54,386 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 [2022-07-23 00:56:54,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:56:54,410 INFO L225 Difference]: With dead ends: 4558 [2022-07-23 00:56:54,410 INFO L226 Difference]: Without dead ends: 4555 [2022-07-23 00:56:54,413 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 [2022-07-23 00:56:54,414 INFO L413 NwaCegarLoop]: 4843 mSDtfsCounter, 7822 mSDsluCounter, 3706 mSDsCounter, 0 mSdLazyCounter, 3677 mSolverCounterSat, 4574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8461 SdHoareTripleChecker+Valid, 8549 SdHoareTripleChecker+Invalid, 8251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4574 IncrementalHoareTripleChecker+Valid, 3677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:56:54,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8461 Valid, 8549 Invalid, 8251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4574 Valid, 3677 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2022-07-23 00:56:54,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2022-07-23 00:56:54,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 3864. [2022-07-23 00:56:54,570 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) [2022-07-23 00:56:54,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5413 transitions. [2022-07-23 00:56:54,588 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5413 transitions. Word has length 255 [2022-07-23 00:56:54,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:56:54,588 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5413 transitions. [2022-07-23 00:56:54,589 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) [2022-07-23 00:56:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5413 transitions. [2022-07-23 00:56:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-23 00:56:54,593 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:56:54,594 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] [2022-07-23 00:56:54,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 00:56:54,594 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:56:54,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:56:54,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1867160492, now seen corresponding path program 1 times [2022-07-23 00:56:54,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:56:54,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485427958] [2022-07-23 00:56:54,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:56:54,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:56:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:56:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:56:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:56:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:56:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:56:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:56:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:56:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:56:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:56:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:54,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 00:56:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 00:56:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 00:56:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 00:56:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 00:56:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 00:56:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:56:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 00:56:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 00:56:55,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:56:55,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485427958] [2022-07-23 00:56:55,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485427958] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:56:55,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:56:55,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:56:55,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759497495] [2022-07-23 00:56:55,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:56:55,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:56:55,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:56:55,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:56:55,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:56:55,123 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) [2022-07-23 00:57:07,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:57:09,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:57:09,053 INFO L93 Difference]: Finished difference Result 4568 states and 6605 transitions. [2022-07-23 00:57:09,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 00:57:09,054 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 [2022-07-23 00:57:09,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:57:09,087 INFO L225 Difference]: With dead ends: 4568 [2022-07-23 00:57:09,087 INFO L226 Difference]: Without dead ends: 4555 [2022-07-23 00:57:09,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:57:09,098 INFO L413 NwaCegarLoop]: 4844 mSDtfsCounter, 8996 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 2368 mSolverCounterSat, 6187 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9601 SdHoareTripleChecker+Valid, 7016 SdHoareTripleChecker+Invalid, 8556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6187 IncrementalHoareTripleChecker+Valid, 2368 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:57:09,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9601 Valid, 7016 Invalid, 8556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6187 Valid, 2368 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2022-07-23 00:57:09,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2022-07-23 00:57:09,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 3864. [2022-07-23 00:57:09,289 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) [2022-07-23 00:57:09,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5407 transitions. [2022-07-23 00:57:09,307 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5407 transitions. Word has length 256 [2022-07-23 00:57:09,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:57:09,308 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5407 transitions. [2022-07-23 00:57:09,308 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) [2022-07-23 00:57:09,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5407 transitions. [2022-07-23 00:57:09,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-23 00:57:09,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:57:09,317 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] [2022-07-23 00:57:09,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 00:57:09,317 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:57:09,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:57:09,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1914009865, now seen corresponding path program 1 times [2022-07-23 00:57:09,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:57:09,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225528956] [2022-07-23 00:57:09,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:57:09,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:57:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:57:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:57:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:57:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:57:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:57:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:57:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:57:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:57:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:57:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 00:57:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 00:57:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 00:57:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 00:57:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 00:57:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 00:57:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:57:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 00:57:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 00:57:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 00:57:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:57:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,878 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 00:57:09,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:57:09,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225528956] [2022-07-23 00:57:09,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225528956] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:57:09,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:57:09,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:57:09,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341537066] [2022-07-23 00:57:09,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:57:09,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:57:09,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:57:09,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:57:09,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:57:09,881 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) [2022-07-23 00:57:34,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:57:35,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:57:39,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:57:39,584 INFO L93 Difference]: Finished difference Result 12808 states and 18511 transitions. [2022-07-23 00:57:39,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:57:39,585 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 [2022-07-23 00:57:39,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:57:39,638 INFO L225 Difference]: With dead ends: 12808 [2022-07-23 00:57:39,638 INFO L226 Difference]: Without dead ends: 8983 [2022-07-23 00:57:39,661 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 [2022-07-23 00:57:39,662 INFO L413 NwaCegarLoop]: 5343 mSDtfsCounter, 14889 mSDsluCounter, 5332 mSDsCounter, 0 mSdLazyCounter, 10588 mSolverCounterSat, 15219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15675 SdHoareTripleChecker+Valid, 10675 SdHoareTripleChecker+Invalid, 25807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15219 IncrementalHoareTripleChecker+Valid, 10588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:57:39,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15675 Valid, 10675 Invalid, 25807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15219 Valid, 10588 Invalid, 0 Unknown, 0 Unchecked, 28.7s Time] [2022-07-23 00:57:39,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8983 states. [2022-07-23 00:57:40,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8983 to 6587. [2022-07-23 00:57:40,028 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) [2022-07-23 00:57:40,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 9115 transitions. [2022-07-23 00:57:40,060 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 9115 transitions. Word has length 288 [2022-07-23 00:57:40,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:57:40,060 INFO L495 AbstractCegarLoop]: Abstraction has 6587 states and 9115 transitions. [2022-07-23 00:57:40,060 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) [2022-07-23 00:57:40,061 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 9115 transitions. [2022-07-23 00:57:40,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-23 00:57:40,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:57:40,074 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] [2022-07-23 00:57:40,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 00:57:40,074 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:57:40,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:57:40,075 INFO L85 PathProgramCache]: Analyzing trace with hash 417864957, now seen corresponding path program 1 times [2022-07-23 00:57:40,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:57:40,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072310035] [2022-07-23 00:57:40,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:57:40,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:57:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:57:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:57:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:57:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:57:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:57:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:57:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:57:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:57:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:57:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 00:57:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 00:57:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 00:57:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 00:57:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 00:57:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 00:57:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:57:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 00:57:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 00:57:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:57:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 00:57:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 00:57:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 00:57:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 00:57:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2022-07-23 00:57:40,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:57:40,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072310035] [2022-07-23 00:57:40,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072310035] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:57:40,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:57:40,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:57:40,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662407466] [2022-07-23 00:57:40,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:57:40,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:57:40,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:57:40,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:57:40,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:57:40,581 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) [2022-07-23 00:58:07,484 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 [] [2022-07-23 00:58:15,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:58:15,770 INFO L93 Difference]: Finished difference Result 20237 states and 29275 transitions. [2022-07-23 00:58:15,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 00:58:15,771 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 [2022-07-23 00:58:15,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:58:15,839 INFO L225 Difference]: With dead ends: 20237 [2022-07-23 00:58:15,839 INFO L226 Difference]: Without dead ends: 13689 [2022-07-23 00:58:15,876 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 [2022-07-23 00:58:15,877 INFO L413 NwaCegarLoop]: 7095 mSDtfsCounter, 14130 mSDsluCounter, 7726 mSDsCounter, 0 mSdLazyCounter, 14289 mSolverCounterSat, 16030 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15074 SdHoareTripleChecker+Valid, 14821 SdHoareTripleChecker+Invalid, 30319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16030 IncrementalHoareTripleChecker+Valid, 14289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:58:15,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15074 Valid, 14821 Invalid, 30319 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16030 Valid, 14289 Invalid, 0 Unknown, 0 Unchecked, 34.0s Time] [2022-07-23 00:58:15,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13689 states. [2022-07-23 00:58:16,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13689 to 9662. [2022-07-23 00:58:16,516 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) [2022-07-23 00:58:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9662 states to 9662 states and 13315 transitions. [2022-07-23 00:58:16,566 INFO L78 Accepts]: Start accepts. Automaton has 9662 states and 13315 transitions. Word has length 341 [2022-07-23 00:58:16,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:58:16,568 INFO L495 AbstractCegarLoop]: Abstraction has 9662 states and 13315 transitions. [2022-07-23 00:58:16,568 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) [2022-07-23 00:58:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 9662 states and 13315 transitions. [2022-07-23 00:58:16,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-07-23 00:58:16,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:58:16,581 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:58:16,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 00:58:16,581 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:58:16,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:58:16,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1803305228, now seen corresponding path program 1 times [2022-07-23 00:58:16,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:58:16,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050571513] [2022-07-23 00:58:16,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:58:16,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:58:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:58:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:58:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:58:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:58:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:58:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:58:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:58:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:58:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:58:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 00:58:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 00:58:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 00:58:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 00:58:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 00:58:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 00:58:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:58:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 00:58:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 00:58:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 00:58:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 00:58:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:58:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 00:58:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 00:58:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-23 00:58:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 00:58:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-23 00:58:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-23 00:58:17,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:58:17,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050571513] [2022-07-23 00:58:17,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050571513] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:58:17,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:58:17,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:58:17,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855659467] [2022-07-23 00:58:17,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:58:17,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:58:17,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:58:17,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:58:17,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:58:17,184 INFO L87 Difference]: Start difference. First operand 9662 states and 13315 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-23 00:58:21,029 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 [] [2022-07-23 00:58:35,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:58:35,765 INFO L93 Difference]: Finished difference Result 13313 states and 19436 transitions. [2022-07-23 00:58:35,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 00:58:35,765 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 343 [2022-07-23 00:58:35,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:58:35,768 INFO L225 Difference]: With dead ends: 13313 [2022-07-23 00:58:35,768 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 00:58:35,817 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 [2022-07-23 00:58:35,817 INFO L413 NwaCegarLoop]: 4445 mSDtfsCounter, 7178 mSDsluCounter, 4739 mSDsCounter, 0 mSdLazyCounter, 8281 mSolverCounterSat, 7797 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7754 SdHoareTripleChecker+Valid, 9184 SdHoareTripleChecker+Invalid, 16078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7797 IncrementalHoareTripleChecker+Valid, 8281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-07-23 00:58:35,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7754 Valid, 9184 Invalid, 16078 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7797 Valid, 8281 Invalid, 0 Unknown, 0 Unchecked, 17.9s Time] [2022-07-23 00:58:35,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 00:58:35,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 00:58:35,819 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) [2022-07-23 00:58:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 00:58:35,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2022-07-23 00:58:35,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:58:35,822 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 00:58:35,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-23 00:58:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 00:58:35,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 00:58:35,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 00:58:35,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 00:58:35,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.