./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-thin-pool.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-thin-pool.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 205c5df1a1a60f895a95c3ed9a3099f16685cc5b57379f95f0c6fb3c071e97b9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:42:01,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:42:01,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:42:01,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:42:01,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:42:01,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:42:01,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:42:01,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:42:01,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:42:01,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:42:01,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:42:01,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:42:01,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:42:01,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:42:01,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:42:01,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:42:01,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:42:01,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:42:01,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:42:01,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:42:01,372 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:42:01,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:42:01,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:42:01,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:42:01,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:42:01,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:42:01,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:42:01,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:42:01,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:42:01,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:42:01,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:42:01,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:42:01,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:42:01,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:42:01,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:42:01,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:42:01,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:42:01,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:42:01,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:42:01,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:42:01,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:42:01,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:42:01,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:42:01,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:42:01,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:42:01,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:42:01,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:42:01,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:42:01,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:42:01,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:42:01,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:42:01,421 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:42:01,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:42:01,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:42:01,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:42:01,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:42:01,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:42:01,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:42:01,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:42:01,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:42:01,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:42:01,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:42:01,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:42:01,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:42:01,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:42:01,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:42:01,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:42:01,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:42:01,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:42:01,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:42:01,426 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:42:01,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:42:01,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:42:01,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 205c5df1a1a60f895a95c3ed9a3099f16685cc5b57379f95f0c6fb3c071e97b9 [2022-07-20 00:42:01,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:42:01,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:42:01,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:42:01,690 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:42:01,691 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:42:01,692 INFO L432 ainManager$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-thin-pool.ko-entry_point.cil.out.i [2022-07-20 00:42:01,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5d5ae24d/853103c4874d4691ba92ab8d3f47cf61/FLAG91d9d7765 [2022-07-20 00:42:02,529 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:42:02,530 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-thin-pool.ko-entry_point.cil.out.i [2022-07-20 00:42:02,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5d5ae24d/853103c4874d4691ba92ab8d3f47cf61/FLAG91d9d7765 [2022-07-20 00:42:02,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5d5ae24d/853103c4874d4691ba92ab8d3f47cf61 [2022-07-20 00:42:02,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:42:02,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:42:02,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:42:02,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:42:02,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:42:02,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:42:02" (1/1) ... [2022-07-20 00:42:02,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c51694f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:02, skipping insertion in model container [2022-07-20 00:42:02,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:42:02" (1/1) ... [2022-07-20 00:42:02,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:42:02,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:42:06,111 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-thin-pool.ko-entry_point.cil.out.i[392782,392795] [2022-07-20 00:42:06,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:42:06,323 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:42:06,772 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-thin-pool.ko-entry_point.cil.out.i[392782,392795] [2022-07-20 00:42:06,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:42:07,032 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:42:07,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07 WrapperNode [2022-07-20 00:42:07,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:42:07,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:42:07,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:42:07,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:42:07,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07" (1/1) ... [2022-07-20 00:42:07,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07" (1/1) ... [2022-07-20 00:42:07,452 INFO L137 Inliner]: procedures = 655, calls = 4626, calls flagged for inlining = 250, calls inlined = 246, statements flattened = 10834 [2022-07-20 00:42:07,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:42:07,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:42:07,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:42:07,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:42:07,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07" (1/1) ... [2022-07-20 00:42:07,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07" (1/1) ... [2022-07-20 00:42:07,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07" (1/1) ... [2022-07-20 00:42:07,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07" (1/1) ... [2022-07-20 00:42:07,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07" (1/1) ... [2022-07-20 00:42:07,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07" (1/1) ... [2022-07-20 00:42:07,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07" (1/1) ... [2022-07-20 00:42:07,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:42:07,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:42:07,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:42:07,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:42:07,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07" (1/1) ... [2022-07-20 00:42:08,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:42:08,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:42:08,037 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) [2022-07-20 00:42:08,057 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 [2022-07-20 00:42:08,098 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-07-20 00:42:08,099 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-07-20 00:42:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:42:08,099 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:42:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_entry_dec [2022-07-20 00:42:08,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_entry_dec [2022-07-20 00:42:08,099 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-07-20 00:42:08,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-07-20 00:42:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-07-20 00:42:08,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-07-20 00:42:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_root_size [2022-07-20 00:42:08,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_root_size [2022-07-20 00:42:08,100 INFO L130 BoogieDeclarations]: Found specification of procedure noflush_work [2022-07-20 00:42:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure noflush_work [2022-07-20 00:42:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_lock [2022-07-20 00:42:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_lock [2022-07-20 00:42:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-07-20 00:42:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-07-20 00:42:08,101 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-07-20 00:42:08,101 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-07-20 00:42:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:42:08,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:42:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure thin_preresume [2022-07-20 00:42:08,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_preresume [2022-07-20 00:42:08,102 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-20 00:42:08,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-20 00:42:08,110 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-20 00:42:08,110 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-20 00:42:08,111 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_work_update [2022-07-20 00:42:08,111 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_work_update [2022-07-20 00:42:08,111 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_remove [2022-07-20 00:42:08,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_remove [2022-07-20 00:42:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure get_metadata_dev_size_in_blocks [2022-07-20 00:42:08,112 INFO L138 BoogieDeclarations]: Found implementation of procedure get_metadata_dev_size_in_blocks [2022-07-20 00:42:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure pool_features_init [2022-07-20 00:42:08,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_features_init [2022-07-20 00:42:08,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:42:08,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:42:08,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-20 00:42:08,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-20 00:42:08,113 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_external_copy [2022-07-20 00:42:08,113 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_external_copy [2022-07-20 00:42:08,113 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2022-07-20 00:42:08,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2022-07-20 00:42:08,113 INFO L130 BoogieDeclarations]: Found specification of procedure __close_device [2022-07-20 00:42:08,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __close_device [2022-07-20 00:42:08,114 INFO L130 BoogieDeclarations]: Found specification of procedure remap [2022-07-20 00:42:08,114 INFO L138 BoogieDeclarations]: Found implementation of procedure remap [2022-07-20 00:42:08,114 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-20 00:42:08,114 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-20 00:42:08,114 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-07-20 00:42:08,114 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-07-20 00:42:08,115 INFO L130 BoogieDeclarations]: Found specification of procedure thin_get [2022-07-20 00:42:08,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_get [2022-07-20 00:42:08,115 INFO L130 BoogieDeclarations]: Found specification of procedure blk_finish_plug [2022-07-20 00:42:08,115 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_finish_plug [2022-07-20 00:42:08,115 INFO L130 BoogieDeclarations]: Found specification of procedure bdevname [2022-07-20 00:42:08,115 INFO L138 BoogieDeclarations]: Found implementation of procedure bdevname [2022-07-20 00:42:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_bio [2022-07-20 00:42:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_bio [2022-07-20 00:42:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:42:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:42:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_callbacks [2022-07-20 00:42:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_callbacks [2022-07-20 00:42:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_data_block [2022-07-20 00:42:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_data_block [2022-07-20 00:42:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_destroy [2022-07-20 00:42:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_destroy [2022-07-20 00:42:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_entry_inc [2022-07-20 00:42:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_entry_inc [2022-07-20 00:42:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_metadata_dev_size [2022-07-20 00:42:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_metadata_dev_size [2022-07-20 00:42:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_plug [2022-07-20 00:42:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_plug [2022-07-20 00:42:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure cell_visit_release [2022-07-20 00:42:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_visit_release [2022-07-20 00:42:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:42:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:42:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-07-20 00:42:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-07-20 00:42:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure free_discard_mapping [2022-07-20 00:42:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure free_discard_mapping [2022-07-20 00:42:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_get_nr_free [2022-07-20 00:42:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_get_nr_free [2022-07-20 00:42:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_add_work [2022-07-20 00:42:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_add_work [2022-07-20 00:42:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure thin_put [2022-07-20 00:42:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_put [2022-07-20 00:42:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_needs_check [2022-07-20 00:42:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_needs_check [2022-07-20 00:42:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure dm_thin_find_block [2022-07-20 00:42:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_thin_find_block [2022-07-20 00:42:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure copy_sm_roots [2022-07-20 00:42:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_sm_roots [2022-07-20 00:42:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2022-07-20 00:42:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2022-07-20 00:42:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_create_non_blocking_clone [2022-07-20 00:42:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_create_non_blocking_clone [2022-07-20 00:42:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure thin_defer_bio [2022-07-20 00:42:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_defer_bio [2022-07-20 00:42:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-20 00:42:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-20 00:42:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_unlock [2022-07-20 00:42:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_unlock [2022-07-20 00:42:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:42:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:42:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure pool_resume_active_thins [2022-07-20 00:42:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_resume_active_thins [2022-07-20 00:42:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2022-07-20 00:42:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2022-07-20 00:42:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:42:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:42:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-07-20 00:42:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-07-20 00:42:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure thin_merge [2022-07-20 00:42:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_merge [2022-07-20 00:42:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:42:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_del [2022-07-20 00:42:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_del [2022-07-20 00:42:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_read_only [2022-07-20 00:42:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_read_only [2022-07-20 00:42:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 00:42:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 00:42:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:42:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:42:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure thin_io_hints [2022-07-20 00:42:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_io_hints [2022-07-20 00:42:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure pool_preresume [2022-07-20 00:42:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_preresume [2022-07-20 00:42:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure thin_status [2022-07-20 00:42:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_status [2022-07-20 00:42:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure warn_if_metadata_device_too_big [2022-07-20 00:42:08,144 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_if_metadata_device_too_big [2022-07-20 00:42:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure ll_zero [2022-07-20 00:42:08,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_zero [2022-07-20 00:42:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure dm_thin_remove_range [2022-07-20 00:42:08,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_thin_remove_range [2022-07-20 00:42:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-07-20 00:42:08,144 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-07-20 00:42:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:42:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure complete_mapping_preparation [2022-07-20 00:42:08,145 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_mapping_preparation [2022-07-20 00:42:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure inc_all_io_entry [2022-07-20 00:42:08,145 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_all_io_entry [2022-07-20 00:42:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 00:42:08,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 00:42:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:42:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure retry_bios_on_resume [2022-07-20 00:42:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_bios_on_resume [2022-07-20 00:42:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure to_delayed_work [2022-07-20 00:42:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure to_delayed_work [2022-07-20 00:42:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2022-07-20 00:42:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2022-07-20 00:42:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-07-20 00:42:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-07-20 00:42:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure should_error_unserviceable_bio [2022-07-20 00:42:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure should_error_unserviceable_bio [2022-07-20 00:42:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_mapping [2022-07-20 00:42:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_mapping [2022-07-20 00:42:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-07-20 00:42:08,148 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-07-20 00:42:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:42:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure thin_presuspend [2022-07-20 00:42:08,148 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_presuspend [2022-07-20 00:42:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure cell_error_with_code [2022-07-20 00:42:08,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_error_with_code [2022-07-20 00:42:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-07-20 00:42:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-07-20 00:42:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure thin_endio [2022-07-20 00:42:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_endio [2022-07-20 00:42:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_table_lookup [2022-07-20 00:42:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_table_lookup [2022-07-20 00:42:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:42:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:42:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure pool_io_hints [2022-07-20 00:42:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_io_hints [2022-07-20 00:42:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure is_factor [2022-07-20 00:42:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure is_factor [2022-07-20 00:42:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-20 00:42:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-20 00:42:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared [2022-07-20 00:42:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared [2022-07-20 00:42:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure cell_requeue [2022-07-20 00:42:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_requeue [2022-07-20 00:42:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_data_dev_size [2022-07-20 00:42:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_data_dev_size [2022-07-20 00:42:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 00:42:08,153 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 00:42:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_copy_root [2022-07-20 00:42:08,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_copy_root [2022-07-20 00:42:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-20 00:42:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-20 00:42:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_17 [2022-07-20 00:42:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_17 [2022-07-20 00:42:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-20 00:42:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-20 00:42:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:42:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:42:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure break_sharing [2022-07-20 00:42:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure break_sharing [2022-07-20 00:42:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:42:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_close [2022-07-20 00:42:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_close [2022-07-20 00:42:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-20 00:42:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-20 00:42:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-20 00:42:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-20 00:42:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 00:42:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 00:42:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_thin [2022-07-20 00:42:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_thin [2022-07-20 00:42:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:42:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-07-20 00:42:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-07-20 00:42:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2022-07-20 00:42:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2022-07-20 00:42:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure do_no_space_timeout [2022-07-20 00:42:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure do_no_space_timeout [2022-07-20 00:42:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_from_per_bio_data [2022-07-20 00:42:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_from_per_bio_data [2022-07-20 00:42:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-07-20 00:42:08,159 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-07-20 00:42:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure pool_iterate_devices [2022-07-20 00:42:08,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_iterate_devices [2022-07-20 00:42:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-20 00:42:08,159 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-20 00:42:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-07-20 00:42:08,159 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-07-20 00:42:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:42:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 00:42:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure save_sm_roots [2022-07-20 00:42:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure save_sm_roots [2022-07-20 00:42:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure __complete_mapping_preparation [2022-07-20 00:42:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __complete_mapping_preparation [2022-07-20 00:42:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:42:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:42:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure error_retry_list [2022-07-20 00:42:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure error_retry_list [2022-07-20 00:42:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_discard_passdown [2022-07-20 00:42:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_discard_passdown [2022-07-20 00:42:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-20 00:42:08,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-20 00:42:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:42:08,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:42:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_empty [2022-07-20 00:42:08,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_empty [2022-07-20 00:42:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-20 00:42:08,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-20 00:42:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure to_noflush [2022-07-20 00:42:08,167 INFO L138 BoogieDeclarations]: Found implementation of procedure to_noflush [2022-07-20 00:42:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure block_to_sectors [2022-07-20 00:42:08,167 INFO L138 BoogieDeclarations]: Found implementation of procedure block_to_sectors [2022-07-20 00:42:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 00:42:08,167 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 00:42:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure pool_status [2022-07-20 00:42:08,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_status [2022-07-20 00:42:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_block_time [2022-07-20 00:42:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_block_time [2022-07-20 00:42:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure error_thin_bio_list [2022-07-20 00:42:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure error_thin_bio_list [2022-07-20 00:42:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-07-20 00:42:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-07-20 00:42:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 00:42:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 00:42:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 00:42:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 00:42:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_cell_passdown [2022-07-20 00:42:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_cell_passdown [2022-07-20 00:42:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure thin_defer_cell [2022-07-20 00:42:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_defer_cell [2022-07-20 00:42:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-20 00:42:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-20 00:42:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure copy_complete [2022-07-20 00:42:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_complete [2022-07-20 00:42:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-20 00:42:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-20 00:42:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure __resize_space_map [2022-07-20 00:42:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __resize_space_map [2022-07-20 00:42:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure pool_presuspend [2022-07-20 00:42:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_presuspend [2022-07-20 00:42:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure inc_remap_and_issue_cell [2022-07-20 00:42:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_remap_and_issue_cell [2022-07-20 00:42:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure pool_message [2022-07-20 00:42:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_message [2022-07-20 00:42:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:42:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:42:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure break_up_discard_bio [2022-07-20 00:42:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure break_up_discard_bio [2022-07-20 00:42:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_cell_no_passdown [2022-07-20 00:42:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_cell_no_passdown [2022-07-20 00:42:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_inc_block [2022-07-20 00:42:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_inc_block [2022-07-20 00:42:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_block_is_used [2022-07-20 00:42:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_block_is_used [2022-07-20 00:42:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:42:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:42:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2022-07-20 00:42:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2022-07-20 00:42:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-07-20 00:42:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-07-20 00:42:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-20 00:42:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-20 00:42:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_md [2022-07-20 00:42:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_md [2022-07-20 00:42:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_mapping [2022-07-20 00:42:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_mapping [2022-07-20 00:42:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:42:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:42:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:42:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:42:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2022-07-20 00:42:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2022-07-20 00:42:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_26 [2022-07-20 00:42:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_26 [2022-07-20 00:42:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-07-20 00:42:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-07-20 00:42:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure process_thin_deferred_bios [2022-07-20 00:42:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure process_thin_deferred_bios [2022-07-20 00:42:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-20 00:42:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-20 00:42:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-07-20 00:42:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-07-20 00:42:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-07-20 00:42:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-07-20 00:42:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_issue_prefetches [2022-07-20 00:42:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_issue_prefetches [2022-07-20 00:42:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure thin_postsuspend [2022-07-20 00:42:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_postsuspend [2022-07-20 00:42:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure __process_bio_read_only [2022-07-20 00:42:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __process_bio_read_only [2022-07-20 00:42:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_bios [2022-07-20 00:42:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_bios [2022-07-20 00:42:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure thin_map [2022-07-20 00:42:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_map [2022-07-20 00:42:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure pool_presuspend_undo [2022-07-20 00:42:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_presuspend_undo [2022-07-20 00:42:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:42:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:42:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:42:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:42:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-20 00:42:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-20 00:42:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_discard_no_passdown [2022-07-20 00:42:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_discard_no_passdown [2022-07-20 00:42:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure __begin_transaction [2022-07-20 00:42:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __begin_transaction [2022-07-20 00:42:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure pool_postsuspend [2022-07-20 00:42:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_postsuspend [2022-07-20 00:42:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:42:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:42:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:42:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:42:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-20 00:42:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-20 00:42:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 00:42:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 00:42:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_resize_metadata_dev [2022-07-20 00:42:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_resize_metadata_dev [2022-07-20 00:42:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure __open_device [2022-07-20 00:42:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_device [2022-07-20 00:42:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_destroy [2022-07-20 00:42:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_destroy [2022-07-20 00:42:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-20 00:42:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-20 00:42:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_dm_thin_pool_table [2022-07-20 00:42:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_dm_thin_pool_table [2022-07-20 00:42:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-07-20 00:42:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-07-20 00:42:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-20 00:42:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-20 00:42:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put [2022-07-20 00:42:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put [2022-07-20 00:42:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:42:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:42:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:42:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_dec [2022-07-20 00:42:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_dec [2022-07-20 00:42:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-20 00:42:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-20 00:42:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure build_virtual_key [2022-07-20 00:42:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure build_virtual_key [2022-07-20 00:42:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:42:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_inc [2022-07-20 00:42:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_inc [2022-07-20 00:42:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-07-20 00:42:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-07-20 00:42:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_block_t~0~TO~int [2022-07-20 00:42:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_block_t~0~TO~int [2022-07-20 00:42:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-20 00:42:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-20 00:42:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-20 00:42:08,191 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-20 00:42:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_close_thin_device [2022-07-20 00:42:08,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_close_thin_device [2022-07-20 00:42:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure set_pool_mode [2022-07-20 00:42:08,191 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pool_mode [2022-07-20 00:42:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-07-20 00:42:08,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-07-20 00:42:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_resize_data_dev [2022-07-20 00:42:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_resize_data_dev [2022-07-20 00:42:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-20 00:42:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-20 00:42:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_id [2022-07-20 00:42:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_id [2022-07-20 00:42:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:42:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-20 00:42:08,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-20 00:42:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_and_issue [2022-07-20 00:42:08,193 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_and_issue [2022-07-20 00:42:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_commit [2022-07-20 00:42:08,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_commit [2022-07-20 00:42:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:42:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:42:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 00:42:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 00:42:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 00:42:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 00:42:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure __merge_bio_list [2022-07-20 00:42:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __merge_bio_list [2022-07-20 00:42:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_dec_block [2022-07-20 00:42:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_dec_block [2022-07-20 00:42:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure pool_dtr [2022-07-20 00:42:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_dtr [2022-07-20 00:42:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure get_first_thin [2022-07-20 00:42:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure get_first_thin [2022-07-20 00:42:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 00:42:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 00:42:08,196 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-07-20 00:42:08,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-07-20 00:42:08,196 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_commit_metadata [2022-07-20 00:42:08,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_commit_metadata [2022-07-20 00:42:08,196 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-07-20 00:42:08,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-07-20 00:42:08,196 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-20 00:42:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-20 00:42:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure get_pool_mode [2022-07-20 00:42:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pool_mode [2022-07-20 00:42:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure notify_of_pool_mode_change [2022-07-20 00:42:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_of_pool_mode_change [2022-07-20 00:42:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-20 00:42:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-20 00:42:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 00:42:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 00:42:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue_overwrite [2022-07-20 00:42:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue_overwrite [2022-07-20 00:42:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_insert [2022-07-20 00:42:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_insert [2022-07-20 00:42:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-07-20 00:42:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-07-20 00:42:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_unlock [2022-07-20 00:42:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_unlock [2022-07-20 00:42:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure io_overwrites_block [2022-07-20 00:42:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure io_overwrites_block [2022-07-20 00:42:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure build_data_key [2022-07-20 00:42:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure build_data_key [2022-07-20 00:42:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-07-20 00:42:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-07-20 00:42:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure process_bio [2022-07-20 00:42:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure process_bio [2022-07-20 00:42:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_create [2022-07-20 00:42:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_create [2022-07-20 00:42:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure zero_fill_bio [2022-07-20 00:42:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_fill_bio [2022-07-20 00:42:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure thin_iterate_devices [2022-07-20 00:42:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_iterate_devices [2022-07-20 00:42:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-07-20 00:42:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-07-20 00:42:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure provision_block [2022-07-20 00:42:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure provision_block [2022-07-20 00:42:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 00:42:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 00:42:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure __open_metadata [2022-07-20 00:42:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_metadata [2022-07-20 00:42:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2022-07-20 00:42:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2022-07-20 00:42:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure issue_discard [2022-07-20 00:42:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_discard [2022-07-20 00:42:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure dm_device_name [2022-07-20 00:42:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_device_name [2022-07-20 00:42:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_dm_thin_pool_table [2022-07-20 00:42:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_dm_thin_pool_table [2022-07-20 00:42:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:42:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:42:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-07-20 00:42:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-07-20 00:42:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-20 00:42:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-20 00:42:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:42:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue_shared_cell [2022-07-20 00:42:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue_shared_cell [2022-07-20 00:42:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_zero [2022-07-20 00:42:08,207 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_zero [2022-07-20 00:42:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_btree_details [2022-07-20 00:42:08,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_btree_details [2022-07-20 00:42:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:42:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:42:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_free_block_count [2022-07-20 00:42:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_free_block_count [2022-07-20 00:42:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure pool_map [2022-07-20 00:42:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_map [2022-07-20 00:42:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure __commit_transaction [2022-07-20 00:42:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __commit_transaction [2022-07-20 00:42:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_lookup [2022-07-20 00:42:08,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_lookup [2022-07-20 00:42:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:42:08,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:42:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure error_bio_list [2022-07-20 00:42:08,209 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bio_list [2022-07-20 00:42:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure pool_work_complete [2022-07-20 00:42:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_work_complete [2022-07-20 00:42:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer_no_holder [2022-07-20 00:42:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer_no_holder [2022-07-20 00:42:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-07-20 00:42:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-07-20 00:42:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure retry_on_resume [2022-07-20 00:42:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_on_resume [2022-07-20 00:42:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 00:42:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 00:42:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure pool_merge [2022-07-20 00:42:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_merge [2022-07-20 00:42:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure cell_error [2022-07-20 00:42:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_error [2022-07-20 00:42:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-20 00:42:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-20 00:42:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-07-20 00:42:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-07-20 00:42:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_abort_metadata [2022-07-20 00:42:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_abort_metadata [2022-07-20 00:42:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-20 00:42:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-20 00:42:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_inc [2022-07-20 00:42:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_inc [2022-07-20 00:42:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-07-20 00:42:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-07-20 00:42:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure check_arg_count [2022-07-20 00:42:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure check_arg_count [2022-07-20 00:42:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_get_nr_blocks [2022-07-20 00:42:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_get_nr_blocks [2022-07-20 00:42:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue [2022-07-20 00:42:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue [2022-07-20 00:42:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 00:42:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 00:42:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-07-20 00:42:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-07-20 00:42:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_dec [2022-07-20 00:42:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_dec [2022-07-20 00:42:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_destroy [2022-07-20 00:42:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_destroy [2022-07-20 00:42:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure process_shared_bio [2022-07-20 00:42:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure process_shared_bio [2022-07-20 00:42:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-20 00:42:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-20 00:42:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-07-20 00:42:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-07-20 00:42:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-20 00:42:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-20 00:42:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure thin_dtr [2022-07-20 00:42:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_dtr [2022-07-20 00:42:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-20 00:42:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure __write_initial_superblock [2022-07-20 00:42:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __write_initial_superblock [2022-07-20 00:42:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-07-20 00:42:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-07-20 00:42:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_next_mapping [2022-07-20 00:42:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_next_mapping [2022-07-20 00:42:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-07-20 00:42:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-07-20 00:42:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure handle_unserviceable_bio [2022-07-20 00:42:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_unserviceable_bio [2022-07-20 00:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:42:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-07-20 00:42:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-07-20 00:42:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_copy [2022-07-20 00:42:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_copy [2022-07-20 00:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-20 00:42:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-20 00:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 00:42:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 00:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-07-20 00:42:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-07-20 00:42:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-20 00:42:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-20 00:42:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-20 00:42:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-20 00:42:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-07-20 00:42:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-07-20 00:42:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure process_thin_deferred_cells [2022-07-20 00:42:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure process_thin_deferred_cells [2022-07-20 00:42:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure pool_resume [2022-07-20 00:42:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_resume [2022-07-20 00:42:09,612 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:42:09,617 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:42:09,855 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:42:20,711 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:42:20,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:42:20,736 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:42:20,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:42:20 BoogieIcfgContainer [2022-07-20 00:42:20,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:42:20,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:42:20,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:42:20,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:42:20,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:42:02" (1/3) ... [2022-07-20 00:42:20,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506dfc85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:42:20, skipping insertion in model container [2022-07-20 00:42:20,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:07" (2/3) ... [2022-07-20 00:42:20,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506dfc85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:42:20, skipping insertion in model container [2022-07-20 00:42:20,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:42:20" (3/3) ... [2022-07-20 00:42:20,751 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-thin-pool.ko-entry_point.cil.out.i [2022-07-20 00:42:20,764 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:42:20,764 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:42:20,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:42:20,882 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@282249ce, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2d7bf3d2 [2022-07-20 00:42:20,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:42:20,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 4431 states, 2891 states have (on average 1.2995503286060186) internal successors, (3757), 3011 states have internal predecessors, (3757), 1252 states have call successors, (1252), 287 states have call predecessors, (1252), 286 states have return successors, (1244), 1206 states have call predecessors, (1244), 1244 states have call successors, (1244) [2022-07-20 00:42:20,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-20 00:42:20,923 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:42:20,924 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:42:20,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:42:20,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:42:20,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1546272708, now seen corresponding path program 1 times [2022-07-20 00:42:20,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:42:20,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673038922] [2022-07-20 00:42:20,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:42:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:42:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:21,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:42:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:21,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:21,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:42:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:21,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:42:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:21,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:21,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:42:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:42:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:42:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:42:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:42:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:42:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:42:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:42:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:42:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:42:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 00:42:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:42:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:42:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:42:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 00:42:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-20 00:42:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:42:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 00:42:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-20 00:42:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:42:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-20 00:42:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-20 00:42:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:42:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 00:42:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-20 00:42:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 00:42:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 00:42:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-20 00:42:22,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:42:22,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673038922] [2022-07-20 00:42:22,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673038922] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:42:22,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:42:22,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:42:22,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867932250] [2022-07-20 00:42:22,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:42:22,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:42:22,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:42:22,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:42:22,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:42:22,744 INFO L87 Difference]: Start difference. First operand has 4431 states, 2891 states have (on average 1.2995503286060186) internal successors, (3757), 3011 states have internal predecessors, (3757), 1252 states have call successors, (1252), 287 states have call predecessors, (1252), 286 states have return successors, (1244), 1206 states have call predecessors, (1244), 1244 states have call successors, (1244) Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-20 00:42:41,021 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 [] [2022-07-20 00:42:43,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:50,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:52,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:54,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:56,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:04,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:43:04,393 INFO L93 Difference]: Finished difference Result 14161 states and 21157 transitions. [2022-07-20 00:43:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:43:04,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 426 [2022-07-20 00:43:04,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:43:04,499 INFO L225 Difference]: With dead ends: 14161 [2022-07-20 00:43:04,499 INFO L226 Difference]: Without dead ends: 9686 [2022-07-20 00:43:04,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:43:04,550 INFO L413 NwaCegarLoop]: 7195 mSDtfsCounter, 9904 mSDsluCounter, 12310 mSDsCounter, 0 mSdLazyCounter, 11750 mSolverCounterSat, 7049 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10572 SdHoareTripleChecker+Valid, 19505 SdHoareTripleChecker+Invalid, 18805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7049 IncrementalHoareTripleChecker+Valid, 11750 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:43:04,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10572 Valid, 19505 Invalid, 18805 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7049 Valid, 11750 Invalid, 6 Unknown, 0 Unchecked, 40.4s Time] [2022-07-20 00:43:04,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9686 states. [2022-07-20 00:43:05,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9686 to 7904. [2022-07-20 00:43:05,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7904 states, 5134 states have (on average 1.2851577717179588) internal successors, (6598), 5346 states have internal predecessors, (6598), 2211 states have call successors, (2211), 559 states have call predecessors, (2211), 558 states have return successors, (2205), 2128 states have call predecessors, (2205), 2205 states have call successors, (2205) [2022-07-20 00:43:05,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7904 states to 7904 states and 11014 transitions. [2022-07-20 00:43:05,191 INFO L78 Accepts]: Start accepts. Automaton has 7904 states and 11014 transitions. Word has length 426 [2022-07-20 00:43:05,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:43:05,196 INFO L495 AbstractCegarLoop]: Abstraction has 7904 states and 11014 transitions. [2022-07-20 00:43:05,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-20 00:43:05,197 INFO L276 IsEmpty]: Start isEmpty. Operand 7904 states and 11014 transitions. [2022-07-20 00:43:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-07-20 00:43:05,210 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:43:05,212 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:43:05,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:43:05,212 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:43:05,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:43:05,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1282501854, now seen corresponding path program 1 times [2022-07-20 00:43:05,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:43:05,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154857328] [2022-07-20 00:43:05,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:43:05,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:43:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:43:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:43:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:43:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:43:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:43:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:43:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:43:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:43:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:43:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:43:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:43:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:43:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:43:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 00:43:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:43:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:43:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:43:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 00:43:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-20 00:43:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:43:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 00:43:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-20 00:43:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:43:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-20 00:43:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-20 00:43:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:43:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 00:43:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-20 00:43:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 00:43:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 00:43:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-20 00:43:06,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:43:06,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154857328] [2022-07-20 00:43:06,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154857328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:43:06,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:43:06,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:43:06,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765091924] [2022-07-20 00:43:06,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:43:06,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:43:06,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:43:06,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:43:06,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:43:06,294 INFO L87 Difference]: Start difference. First operand 7904 states and 11014 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-20 00:43:18,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:21,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:31,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:36,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:43:36,830 INFO L93 Difference]: Finished difference Result 26319 states and 37723 transitions. [2022-07-20 00:43:36,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:43:36,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 432 [2022-07-20 00:43:36,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:43:36,972 INFO L225 Difference]: With dead ends: 26319 [2022-07-20 00:43:36,973 INFO L226 Difference]: Without dead ends: 18481 [2022-07-20 00:43:37,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:43:37,033 INFO L413 NwaCegarLoop]: 8598 mSDtfsCounter, 9700 mSDsluCounter, 11057 mSDsCounter, 0 mSdLazyCounter, 10431 mSolverCounterSat, 6783 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10491 SdHoareTripleChecker+Valid, 19655 SdHoareTripleChecker+Invalid, 17216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6783 IncrementalHoareTripleChecker+Valid, 10431 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:43:37,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10491 Valid, 19655 Invalid, 17216 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6783 Valid, 10431 Invalid, 2 Unknown, 0 Unchecked, 29.4s Time] [2022-07-20 00:43:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18481 states. [2022-07-20 00:43:37,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18481 to 15021. [2022-07-20 00:43:37,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15021 states, 9736 states have (on average 1.2805053410024652) internal successors, (12467), 10151 states have internal predecessors, (12467), 4190 states have call successors, (4190), 1095 states have call predecessors, (4190), 1094 states have return successors, (4184), 4030 states have call predecessors, (4184), 4184 states have call successors, (4184) [2022-07-20 00:43:37,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15021 states to 15021 states and 20841 transitions. [2022-07-20 00:43:37,973 INFO L78 Accepts]: Start accepts. Automaton has 15021 states and 20841 transitions. Word has length 432 [2022-07-20 00:43:37,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:43:37,975 INFO L495 AbstractCegarLoop]: Abstraction has 15021 states and 20841 transitions. [2022-07-20 00:43:37,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-20 00:43:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 15021 states and 20841 transitions. [2022-07-20 00:43:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-07-20 00:43:37,985 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:43:37,985 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:43:37,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:43:37,986 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:43:37,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:43:37,986 INFO L85 PathProgramCache]: Analyzing trace with hash 769336676, now seen corresponding path program 1 times [2022-07-20 00:43:37,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:43:37,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464620585] [2022-07-20 00:43:37,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:43:37,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:43:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:43:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:43:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:43:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:43:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:43:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:43:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:43:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:43:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:43:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:43:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:43:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:43:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:43:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 00:43:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:43:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:43:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:43:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 00:43:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-20 00:43:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:43:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 00:43:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-20 00:43:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:43:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-20 00:43:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-20 00:43:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:43:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 00:43:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-20 00:43:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 00:43:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 00:43:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-20 00:43:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-20 00:43:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2502 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2502 trivial. 0 not checked. [2022-07-20 00:43:38,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:43:38,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464620585] [2022-07-20 00:43:38,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464620585] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:43:38,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:43:38,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:43:38,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426765141] [2022-07-20 00:43:38,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:43:38,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:43:38,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:43:38,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:43:38,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:43:38,881 INFO L87 Difference]: Start difference. First operand 15021 states and 20841 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:43:54,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:56,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:58,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:00,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:02,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:04,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:14,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:16,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:18,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:20,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:22,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:24,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:32,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:44:32,747 INFO L93 Difference]: Finished difference Result 51650 states and 73972 transitions. [2022-07-20 00:44:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:44:32,748 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 439 [2022-07-20 00:44:32,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:44:32,955 INFO L225 Difference]: With dead ends: 51650 [2022-07-20 00:44:32,956 INFO L226 Difference]: Without dead ends: 36705 [2022-07-20 00:44:33,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:44:33,031 INFO L413 NwaCegarLoop]: 10056 mSDtfsCounter, 9555 mSDsluCounter, 15870 mSDsCounter, 0 mSdLazyCounter, 13711 mSolverCounterSat, 6168 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10398 SdHoareTripleChecker+Valid, 25926 SdHoareTripleChecker+Invalid, 19891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6168 IncrementalHoareTripleChecker+Valid, 13711 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:44:33,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10398 Valid, 25926 Invalid, 19891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6168 Valid, 13711 Invalid, 12 Unknown, 0 Unchecked, 52.3s Time] [2022-07-20 00:44:33,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36705 states. [2022-07-20 00:44:34,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36705 to 29798. [2022-07-20 00:44:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29798 states, 19329 states have (on average 1.2807698277200061) internal successors, (24756), 20143 states have internal predecessors, (24756), 8293 states have call successors, (8293), 2176 states have call predecessors, (8293), 2175 states have return successors, (8287), 7986 states have call predecessors, (8287), 8287 states have call successors, (8287) [2022-07-20 00:44:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29798 states to 29798 states and 41336 transitions. [2022-07-20 00:44:34,533 INFO L78 Accepts]: Start accepts. Automaton has 29798 states and 41336 transitions. Word has length 439 [2022-07-20 00:44:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:44:34,535 INFO L495 AbstractCegarLoop]: Abstraction has 29798 states and 41336 transitions. [2022-07-20 00:44:34,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:44:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 29798 states and 41336 transitions. [2022-07-20 00:44:34,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-20 00:44:34,543 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:44:34,543 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:44:34,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 00:44:34,544 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:44:34,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:44:34,544 INFO L85 PathProgramCache]: Analyzing trace with hash 914046152, now seen corresponding path program 1 times [2022-07-20 00:44:34,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:44:34,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680270399] [2022-07-20 00:44:34,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:44:34,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:44:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:44:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:44:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:44:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:44:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:44:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:44:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:34,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:44:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:44:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:44:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:44:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:44:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:44:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:44:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 00:44:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:44:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:44:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:44:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:44:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 00:44:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-20 00:44:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:44:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 00:44:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-20 00:44:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:44:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-20 00:44:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-20 00:44:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:44:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 00:44:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-20 00:44:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 00:44:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 00:44:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:44:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-20 00:44:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 00:44:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:44:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-20 00:44:35,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:44:35,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680270399] [2022-07-20 00:44:35,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680270399] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:44:35,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:44:35,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:44:35,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989605739] [2022-07-20 00:44:35,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:44:35,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:44:35,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:44:35,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:44:35,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:44:35,679 INFO L87 Difference]: Start difference. First operand 29798 states and 41336 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:44:44,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:46,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:52,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:54,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:59,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:44:59,752 INFO L93 Difference]: Finished difference Result 36688 states and 53205 transitions. [2022-07-20 00:44:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:44:59,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 444 [2022-07-20 00:44:59,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:44:59,943 INFO L225 Difference]: With dead ends: 36688 [2022-07-20 00:44:59,944 INFO L226 Difference]: Without dead ends: 36685 [2022-07-20 00:44:59,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:44:59,968 INFO L413 NwaCegarLoop]: 5645 mSDtfsCounter, 8713 mSDsluCounter, 6608 mSDsCounter, 0 mSdLazyCounter, 6110 mSolverCounterSat, 4830 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9382 SdHoareTripleChecker+Valid, 12253 SdHoareTripleChecker+Invalid, 10944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4830 IncrementalHoareTripleChecker+Valid, 6110 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:44:59,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9382 Valid, 12253 Invalid, 10944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4830 Valid, 6110 Invalid, 4 Unknown, 0 Unchecked, 23.0s Time] [2022-07-20 00:45:00,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36685 states. [2022-07-20 00:45:01,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36685 to 29797. [2022-07-20 00:45:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29797 states, 19329 states have (on average 1.2807180919861347) internal successors, (24755), 20142 states have internal predecessors, (24755), 8292 states have call successors, (8292), 2176 states have call predecessors, (8292), 2175 states have return successors, (8287), 7986 states have call predecessors, (8287), 8287 states have call successors, (8287) [2022-07-20 00:45:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29797 states to 29797 states and 41334 transitions. [2022-07-20 00:45:01,352 INFO L78 Accepts]: Start accepts. Automaton has 29797 states and 41334 transitions. Word has length 444 [2022-07-20 00:45:01,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:45:01,354 INFO L495 AbstractCegarLoop]: Abstraction has 29797 states and 41334 transitions. [2022-07-20 00:45:01,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:45:01,354 INFO L276 IsEmpty]: Start isEmpty. Operand 29797 states and 41334 transitions. [2022-07-20 00:45:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-07-20 00:45:01,357 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:45:01,357 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:45:01,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 00:45:01,358 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:45:01,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:45:01,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1731606289, now seen corresponding path program 1 times [2022-07-20 00:45:01,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:45:01,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081591646] [2022-07-20 00:45:01,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:45:01,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:45:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:45:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:45:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:45:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:45:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:45:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:45:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:45:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:45:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:45:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:45:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:45:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:45:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:45:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 00:45:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:45:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:45:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:45:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 00:45:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-20 00:45:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:45:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 00:45:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-20 00:45:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:45:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-20 00:45:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-20 00:45:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:45:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 00:45:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-20 00:45:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 00:45:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 00:45:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-20 00:45:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 00:45:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-20 00:45:02,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:45:02,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081591646] [2022-07-20 00:45:02,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081591646] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:45:02,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:45:02,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:45:02,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370737117] [2022-07-20 00:45:02,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:45:02,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:45:02,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:45:02,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:45:02,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:45:02,404 INFO L87 Difference]: Start difference. First operand 29797 states and 41334 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:45:09,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:45:14,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:45:17,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:45:17,422 INFO L93 Difference]: Finished difference Result 36687 states and 53203 transitions. [2022-07-20 00:45:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:45:17,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 445 [2022-07-20 00:45:17,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:45:17,616 INFO L225 Difference]: With dead ends: 36687 [2022-07-20 00:45:17,617 INFO L226 Difference]: Without dead ends: 36684 [2022-07-20 00:45:17,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:45:17,648 INFO L413 NwaCegarLoop]: 5650 mSDtfsCounter, 10689 mSDsluCounter, 2822 mSDsCounter, 0 mSdLazyCounter, 3056 mSolverCounterSat, 6847 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11359 SdHoareTripleChecker+Valid, 8472 SdHoareTripleChecker+Invalid, 9905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6847 IncrementalHoareTripleChecker+Valid, 3056 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:45:17,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11359 Valid, 8472 Invalid, 9905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6847 Valid, 3056 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2022-07-20 00:45:17,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36684 states. [2022-07-20 00:45:18,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36684 to 29796. [2022-07-20 00:45:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29796 states, 19329 states have (on average 1.2806663562522635) internal successors, (24754), 20141 states have internal predecessors, (24754), 8291 states have call successors, (8291), 2176 states have call predecessors, (8291), 2175 states have return successors, (8287), 7986 states have call predecessors, (8287), 8287 states have call successors, (8287) [2022-07-20 00:45:19,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29796 states to 29796 states and 41332 transitions. [2022-07-20 00:45:19,051 INFO L78 Accepts]: Start accepts. Automaton has 29796 states and 41332 transitions. Word has length 445 [2022-07-20 00:45:19,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:45:19,052 INFO L495 AbstractCegarLoop]: Abstraction has 29796 states and 41332 transitions. [2022-07-20 00:45:19,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:45:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29796 states and 41332 transitions. [2022-07-20 00:45:19,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-07-20 00:45:19,056 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:45:19,056 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:45:19,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 00:45:19,057 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:45:19,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:45:19,057 INFO L85 PathProgramCache]: Analyzing trace with hash -2142448469, now seen corresponding path program 1 times [2022-07-20 00:45:19,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:45:19,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284759778] [2022-07-20 00:45:19,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:45:19,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:45:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:45:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:45:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:45:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:45:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:45:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:45:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:45:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:45:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:45:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:45:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:45:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:45:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:45:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 00:45:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:45:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:45:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:45:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 00:45:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-20 00:45:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:45:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 00:45:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-20 00:45:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:45:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-20 00:45:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-20 00:45:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:19,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:45:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 00:45:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-20 00:45:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 00:45:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 00:45:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-20 00:45:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 00:45:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-20 00:45:20,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:45:20,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284759778] [2022-07-20 00:45:20,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284759778] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:45:20,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:45:20,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:45:20,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653486768] [2022-07-20 00:45:20,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:45:20,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:45:20,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:45:20,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:45:20,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:45:20,210 INFO L87 Difference]: Start difference. First operand 29796 states and 41332 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:45:27,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:45:32,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:45:35,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:45:35,359 INFO L93 Difference]: Finished difference Result 36686 states and 53201 transitions. [2022-07-20 00:45:35,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:45:35,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 446 [2022-07-20 00:45:35,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:45:35,489 INFO L225 Difference]: With dead ends: 36686 [2022-07-20 00:45:35,489 INFO L226 Difference]: Without dead ends: 36683 [2022-07-20 00:45:35,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:45:35,503 INFO L413 NwaCegarLoop]: 5684 mSDtfsCounter, 10656 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 3083 mSolverCounterSat, 6788 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11320 SdHoareTripleChecker+Valid, 8503 SdHoareTripleChecker+Invalid, 9873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6788 IncrementalHoareTripleChecker+Valid, 3083 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:45:35,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11320 Valid, 8503 Invalid, 9873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6788 Valid, 3083 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2022-07-20 00:45:35,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36683 states. [2022-07-20 00:45:36,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36683 to 29795. [2022-07-20 00:45:36,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29795 states, 19329 states have (on average 1.2806146205183921) internal successors, (24753), 20140 states have internal predecessors, (24753), 8290 states have call successors, (8290), 2176 states have call predecessors, (8290), 2175 states have return successors, (8287), 7986 states have call predecessors, (8287), 8287 states have call successors, (8287) [2022-07-20 00:45:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29795 states to 29795 states and 41330 transitions. [2022-07-20 00:45:36,746 INFO L78 Accepts]: Start accepts. Automaton has 29795 states and 41330 transitions. Word has length 446 [2022-07-20 00:45:36,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:45:36,747 INFO L495 AbstractCegarLoop]: Abstraction has 29795 states and 41330 transitions. [2022-07-20 00:45:36,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:45:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 29795 states and 41330 transitions. [2022-07-20 00:45:36,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-07-20 00:45:36,752 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:45:36,752 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:45:36,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 00:45:36,752 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:45:36,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:45:36,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1993649294, now seen corresponding path program 1 times [2022-07-20 00:45:36,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:45:36,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603420518] [2022-07-20 00:45:36,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:45:36,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:45:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:45:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:45:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:45:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:45:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:45:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:45:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:45:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:45:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:45:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:45:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:45:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:45:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:45:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 00:45:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:45:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:45:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:45:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:45:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 00:45:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-20 00:45:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:45:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 00:45:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-20 00:45:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:45:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-20 00:45:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-20 00:45:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:45:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 00:45:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-20 00:45:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 00:45:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 00:45:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:45:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-20 00:45:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 00:45:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-20 00:45:37,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:45:37,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603420518] [2022-07-20 00:45:37,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603420518] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:45:37,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:45:37,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:45:37,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016422093] [2022-07-20 00:45:37,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:45:37,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:45:37,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:45:37,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:45:37,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:45:37,716 INFO L87 Difference]: Start difference. First operand 29795 states and 41330 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:45:48,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:45:50,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:45:52,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []