./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-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-?-3598765 [2022-07-21 12:12:25,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:12:25,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:12:25,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:12:25,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:12:25,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:12:25,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:12:25,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:12:25,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:12:25,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:12:25,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:12:25,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:12:25,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:12:25,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:12:25,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:12:25,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:12:25,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:12:25,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:12:25,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:12:25,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:12:25,852 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:12:25,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:12:25,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:12:25,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:12:25,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:12:25,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:12:25,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:12:25,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:12:25,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:12:25,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:12:25,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:12:25,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:12:25,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:12:25,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:12:25,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:12:25,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:12:25,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:12:25,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:12:25,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:12:25,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:12:25,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:12:25,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:12:25,877 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:12:25,902 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:12:25,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:12:25,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:12:25,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:12:25,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:12:25,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:12:25,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:12:25,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:12:25,905 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:12:25,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:12:25,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:12:25,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:12:25,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:12:25,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:12:25,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:12:25,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:12:25,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:12:25,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:12:25,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:12:25,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:12:25,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:12:25,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:12:25,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:12:25,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:12:25,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:12:25,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:12:25,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:12:25,908 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:12:25,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:12:25,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:12:25,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 205c5df1a1a60f895a95c3ed9a3099f16685cc5b57379f95f0c6fb3c071e97b9 [2022-07-21 12:12:26,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:12:26,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:12:26,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:12:26,189 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:12:26,190 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:12:26,191 INFO L432 ainManager$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 [2022-07-21 12:12:26,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f44f1e34/755631dad53b41cc91353bd669af314d/FLAG33559ab1e [2022-07-21 12:12:27,057 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:12:27,058 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 [2022-07-21 12:12:27,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f44f1e34/755631dad53b41cc91353bd669af314d/FLAG33559ab1e [2022-07-21 12:12:27,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f44f1e34/755631dad53b41cc91353bd669af314d [2022-07-21 12:12:27,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:12:27,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:12:27,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:12:27,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:12:27,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:12:27,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:12:27" (1/1) ... [2022-07-21 12:12:27,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74475fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:27, skipping insertion in model container [2022-07-21 12:12:27,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:12:27" (1/1) ... [2022-07-21 12:12:27,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:12:27,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:12:30,359 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] [2022-07-21 12:12:30,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:12:30,584 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:12:31,076 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] [2022-07-21 12:12:31,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:12:31,361 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:12:31,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31 WrapperNode [2022-07-21 12:12:31,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:12:31,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:12:31,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:12:31,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:12:31,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31" (1/1) ... [2022-07-21 12:12:31,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31" (1/1) ... [2022-07-21 12:12:31,682 INFO L137 Inliner]: procedures = 655, calls = 4626, calls flagged for inlining = 250, calls inlined = 246, statements flattened = 10834 [2022-07-21 12:12:31,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:12:31,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:12:31,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:12:31,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:12:31,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31" (1/1) ... [2022-07-21 12:12:31,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31" (1/1) ... [2022-07-21 12:12:31,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31" (1/1) ... [2022-07-21 12:12:31,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31" (1/1) ... [2022-07-21 12:12:31,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31" (1/1) ... [2022-07-21 12:12:32,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31" (1/1) ... [2022-07-21 12:12:32,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31" (1/1) ... [2022-07-21 12:12:32,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:12:32,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:12:32,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:12:32,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:12:32,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31" (1/1) ... [2022-07-21 12:12:32,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:12:32,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:12:32,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 12:12:32,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 12:12:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-07-21 12:12:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-07-21 12:12:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 12:12:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 12:12:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_entry_dec [2022-07-21 12:12:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_entry_dec [2022-07-21 12:12:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-07-21 12:12:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-07-21 12:12:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-07-21 12:12:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-07-21 12:12:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_root_size [2022-07-21 12:12:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_root_size [2022-07-21 12:12:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure noflush_work [2022-07-21 12:12:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure noflush_work [2022-07-21 12:12:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_lock [2022-07-21 12:12:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_lock [2022-07-21 12:12:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-07-21 12:12:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-07-21 12:12:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-07-21 12:12:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-07-21 12:12:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:12:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:12:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure thin_preresume [2022-07-21 12:12:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_preresume [2022-07-21 12:12:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-21 12:12:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-21 12:12:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 12:12:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 12:12:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_work_update [2022-07-21 12:12:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_work_update [2022-07-21 12:12:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_remove [2022-07-21 12:12:32,296 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_remove [2022-07-21 12:12:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure get_metadata_dev_size_in_blocks [2022-07-21 12:12:32,296 INFO L138 BoogieDeclarations]: Found implementation of procedure get_metadata_dev_size_in_blocks [2022-07-21 12:12:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure pool_features_init [2022-07-21 12:12:32,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_features_init [2022-07-21 12:12:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:12:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-21 12:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-21 12:12:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_external_copy [2022-07-21 12:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_external_copy [2022-07-21 12:12:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2022-07-21 12:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2022-07-21 12:12:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure __close_device [2022-07-21 12:12:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __close_device [2022-07-21 12:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure remap [2022-07-21 12:12:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure remap [2022-07-21 12:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-21 12:12:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-21 12:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-07-21 12:12:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-07-21 12:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure thin_get [2022-07-21 12:12:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_get [2022-07-21 12:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure blk_finish_plug [2022-07-21 12:12:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_finish_plug [2022-07-21 12:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure bdevname [2022-07-21 12:12:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure bdevname [2022-07-21 12:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_bio [2022-07-21 12:12:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_bio [2022-07-21 12:12:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:12:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_callbacks [2022-07-21 12:12:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_callbacks [2022-07-21 12:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_data_block [2022-07-21 12:12:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_data_block [2022-07-21 12:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_destroy [2022-07-21 12:12:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_destroy [2022-07-21 12:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_entry_inc [2022-07-21 12:12:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_entry_inc [2022-07-21 12:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_metadata_dev_size [2022-07-21 12:12:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_metadata_dev_size [2022-07-21 12:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_plug [2022-07-21 12:12:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_plug [2022-07-21 12:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure cell_visit_release [2022-07-21 12:12:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_visit_release [2022-07-21 12:12:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:12:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:12:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-07-21 12:12:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-07-21 12:12:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure free_discard_mapping [2022-07-21 12:12:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure free_discard_mapping [2022-07-21 12:12:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_get_nr_free [2022-07-21 12:12:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_get_nr_free [2022-07-21 12:12:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_add_work [2022-07-21 12:12:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_add_work [2022-07-21 12:12:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure thin_put [2022-07-21 12:12:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_put [2022-07-21 12:12:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_needs_check [2022-07-21 12:12:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_needs_check [2022-07-21 12:12:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure dm_thin_find_block [2022-07-21 12:12:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_thin_find_block [2022-07-21 12:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure copy_sm_roots [2022-07-21 12:12:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_sm_roots [2022-07-21 12:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2022-07-21 12:12:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2022-07-21 12:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_create_non_blocking_clone [2022-07-21 12:12:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_create_non_blocking_clone [2022-07-21 12:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure thin_defer_bio [2022-07-21 12:12:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_defer_bio [2022-07-21 12:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-21 12:12:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-21 12:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_unlock [2022-07-21 12:12:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_unlock [2022-07-21 12:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 12:12:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 12:12:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure pool_resume_active_thins [2022-07-21 12:12:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_resume_active_thins [2022-07-21 12:12:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2022-07-21 12:12:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2022-07-21 12:12:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:12:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:12:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-07-21 12:12:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-07-21 12:12:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure thin_merge [2022-07-21 12:12:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_merge [2022-07-21 12:12:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:12:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_del [2022-07-21 12:12:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_del [2022-07-21 12:12:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_read_only [2022-07-21 12:12:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_read_only [2022-07-21 12:12:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 12:12:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 12:12:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:12:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:12:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure thin_io_hints [2022-07-21 12:12:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_io_hints [2022-07-21 12:12:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure pool_preresume [2022-07-21 12:12:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_preresume [2022-07-21 12:12:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure thin_status [2022-07-21 12:12:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_status [2022-07-21 12:12:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure warn_if_metadata_device_too_big [2022-07-21 12:12:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_if_metadata_device_too_big [2022-07-21 12:12:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure ll_zero [2022-07-21 12:12:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_zero [2022-07-21 12:12:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure dm_thin_remove_range [2022-07-21 12:12:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_thin_remove_range [2022-07-21 12:12:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-07-21 12:12:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-07-21 12:12:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 12:12:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure complete_mapping_preparation [2022-07-21 12:12:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_mapping_preparation [2022-07-21 12:12:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure inc_all_io_entry [2022-07-21 12:12:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_all_io_entry [2022-07-21 12:12:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 12:12:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 12:12:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 12:12:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure retry_bios_on_resume [2022-07-21 12:12:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_bios_on_resume [2022-07-21 12:12:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure to_delayed_work [2022-07-21 12:12:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure to_delayed_work [2022-07-21 12:12:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2022-07-21 12:12:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2022-07-21 12:12:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-07-21 12:12:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-07-21 12:12:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure should_error_unserviceable_bio [2022-07-21 12:12:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure should_error_unserviceable_bio [2022-07-21 12:12:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_mapping [2022-07-21 12:12:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_mapping [2022-07-21 12:12:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-07-21 12:12:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-07-21 12:12:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 12:12:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure thin_presuspend [2022-07-21 12:12:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_presuspend [2022-07-21 12:12:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure cell_error_with_code [2022-07-21 12:12:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_error_with_code [2022-07-21 12:12:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-07-21 12:12:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-07-21 12:12:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure thin_endio [2022-07-21 12:12:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_endio [2022-07-21 12:12:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_table_lookup [2022-07-21 12:12:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_table_lookup [2022-07-21 12:12:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:12:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:12:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure pool_io_hints [2022-07-21 12:12:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_io_hints [2022-07-21 12:12:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure is_factor [2022-07-21 12:12:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure is_factor [2022-07-21 12:12:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-21 12:12:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-21 12:12:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared [2022-07-21 12:12:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared [2022-07-21 12:12:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure cell_requeue [2022-07-21 12:12:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_requeue [2022-07-21 12:12:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_data_dev_size [2022-07-21 12:12:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_data_dev_size [2022-07-21 12:12:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 12:12:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 12:12:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_copy_root [2022-07-21 12:12:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_copy_root [2022-07-21 12:12:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-21 12:12:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-21 12:12:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_17 [2022-07-21 12:12:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_17 [2022-07-21 12:12:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-21 12:12:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-21 12:12:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:12:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:12:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure break_sharing [2022-07-21 12:12:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure break_sharing [2022-07-21 12:12:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:12:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_close [2022-07-21 12:12:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_close [2022-07-21 12:12:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-21 12:12:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-21 12:12:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-21 12:12:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-21 12:12:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 12:12:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 12:12:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_thin [2022-07-21 12:12:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_thin [2022-07-21 12:12:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:12:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-07-21 12:12:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-07-21 12:12:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2022-07-21 12:12:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2022-07-21 12:12:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure do_no_space_timeout [2022-07-21 12:12:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure do_no_space_timeout [2022-07-21 12:12:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_from_per_bio_data [2022-07-21 12:12:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_from_per_bio_data [2022-07-21 12:12:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-07-21 12:12:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-07-21 12:12:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure pool_iterate_devices [2022-07-21 12:12:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_iterate_devices [2022-07-21 12:12:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-21 12:12:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-21 12:12:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-07-21 12:12:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-07-21 12:12:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:12:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 12:12:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure save_sm_roots [2022-07-21 12:12:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure save_sm_roots [2022-07-21 12:12:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure __complete_mapping_preparation [2022-07-21 12:12:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __complete_mapping_preparation [2022-07-21 12:12:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:12:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:12:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure error_retry_list [2022-07-21 12:12:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure error_retry_list [2022-07-21 12:12:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_discard_passdown [2022-07-21 12:12:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_discard_passdown [2022-07-21 12:12:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-21 12:12:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-21 12:12:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 12:12:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 12:12:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_empty [2022-07-21 12:12:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_empty [2022-07-21 12:12:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-21 12:12:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-21 12:12:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure to_noflush [2022-07-21 12:12:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure to_noflush [2022-07-21 12:12:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure block_to_sectors [2022-07-21 12:12:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure block_to_sectors [2022-07-21 12:12:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-21 12:12:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-21 12:12:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure pool_status [2022-07-21 12:12:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_status [2022-07-21 12:12:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_block_time [2022-07-21 12:12:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_block_time [2022-07-21 12:12:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure error_thin_bio_list [2022-07-21 12:12:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure error_thin_bio_list [2022-07-21 12:12:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-07-21 12:12:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-07-21 12:12:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 12:12:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 12:12:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 12:12:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 12:12:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_cell_passdown [2022-07-21 12:12:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_cell_passdown [2022-07-21 12:12:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure thin_defer_cell [2022-07-21 12:12:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_defer_cell [2022-07-21 12:12:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-21 12:12:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-21 12:12:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure copy_complete [2022-07-21 12:12:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_complete [2022-07-21 12:12:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-21 12:12:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-21 12:12:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure __resize_space_map [2022-07-21 12:12:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __resize_space_map [2022-07-21 12:12:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure pool_presuspend [2022-07-21 12:12:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_presuspend [2022-07-21 12:12:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure inc_remap_and_issue_cell [2022-07-21 12:12:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_remap_and_issue_cell [2022-07-21 12:12:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure pool_message [2022-07-21 12:12:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_message [2022-07-21 12:12:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:12:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:12:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure break_up_discard_bio [2022-07-21 12:12:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure break_up_discard_bio [2022-07-21 12:12:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_cell_no_passdown [2022-07-21 12:12:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_cell_no_passdown [2022-07-21 12:12:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_inc_block [2022-07-21 12:12:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_inc_block [2022-07-21 12:12:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_block_is_used [2022-07-21 12:12:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_block_is_used [2022-07-21 12:12:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 12:12:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 12:12:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2022-07-21 12:12:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2022-07-21 12:12:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-07-21 12:12:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-07-21 12:12:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-21 12:12:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-21 12:12:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_md [2022-07-21 12:12:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_md [2022-07-21 12:12:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_mapping [2022-07-21 12:12:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_mapping [2022-07-21 12:12:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:12:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:12:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:12:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:12:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2022-07-21 12:12:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2022-07-21 12:12:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_26 [2022-07-21 12:12:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_26 [2022-07-21 12:12:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-07-21 12:12:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-07-21 12:12:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure process_thin_deferred_bios [2022-07-21 12:12:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure process_thin_deferred_bios [2022-07-21 12:12:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 12:12:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 12:12:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-07-21 12:12:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-07-21 12:12:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-07-21 12:12:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-07-21 12:12:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_issue_prefetches [2022-07-21 12:12:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_issue_prefetches [2022-07-21 12:12:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure thin_postsuspend [2022-07-21 12:12:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_postsuspend [2022-07-21 12:12:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure __process_bio_read_only [2022-07-21 12:12:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __process_bio_read_only [2022-07-21 12:12:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_bios [2022-07-21 12:12:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_bios [2022-07-21 12:12:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure thin_map [2022-07-21 12:12:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_map [2022-07-21 12:12:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure pool_presuspend_undo [2022-07-21 12:12:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_presuspend_undo [2022-07-21 12:12:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:12:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:12:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:12:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:12:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-21 12:12:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-21 12:12:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_discard_no_passdown [2022-07-21 12:12:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_discard_no_passdown [2022-07-21 12:12:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure __begin_transaction [2022-07-21 12:12:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __begin_transaction [2022-07-21 12:12:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure pool_postsuspend [2022-07-21 12:12:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_postsuspend [2022-07-21 12:12:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:12:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:12:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:12:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:12:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-21 12:12:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-21 12:12:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 12:12:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 12:12:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_resize_metadata_dev [2022-07-21 12:12:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_resize_metadata_dev [2022-07-21 12:12:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure __open_device [2022-07-21 12:12:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_device [2022-07-21 12:12:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_destroy [2022-07-21 12:12:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_destroy [2022-07-21 12:12:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 12:12:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 12:12:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_dm_thin_pool_table [2022-07-21 12:12:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_dm_thin_pool_table [2022-07-21 12:12:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-07-21 12:12:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-07-21 12:12:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-21 12:12:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-21 12:12:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put [2022-07-21 12:12:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put [2022-07-21 12:12:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:12:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:12:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:12:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_dec [2022-07-21 12:12:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_dec [2022-07-21 12:12:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-21 12:12:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-21 12:12:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure build_virtual_key [2022-07-21 12:12:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure build_virtual_key [2022-07-21 12:12:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:12:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_inc [2022-07-21 12:12:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_inc [2022-07-21 12:12:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-07-21 12:12:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-07-21 12:12:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_block_t~0~TO~int [2022-07-21 12:12:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_block_t~0~TO~int [2022-07-21 12:12:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-21 12:12:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-21 12:12:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-21 12:12:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-21 12:12:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_close_thin_device [2022-07-21 12:12:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_close_thin_device [2022-07-21 12:12:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure set_pool_mode [2022-07-21 12:12:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pool_mode [2022-07-21 12:12:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-07-21 12:12:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-07-21 12:12:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_resize_data_dev [2022-07-21 12:12:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_resize_data_dev [2022-07-21 12:12:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-21 12:12:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-21 12:12:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_id [2022-07-21 12:12:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_id [2022-07-21 12:12:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:12:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-21 12:12:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-21 12:12:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_and_issue [2022-07-21 12:12:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_and_issue [2022-07-21 12:12:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_commit [2022-07-21 12:12:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_commit [2022-07-21 12:12:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:12:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:12:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 12:12:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 12:12:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 12:12:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 12:12:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure __merge_bio_list [2022-07-21 12:12:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __merge_bio_list [2022-07-21 12:12:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_dec_block [2022-07-21 12:12:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_dec_block [2022-07-21 12:12:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure pool_dtr [2022-07-21 12:12:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_dtr [2022-07-21 12:12:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure get_first_thin [2022-07-21 12:12:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure get_first_thin [2022-07-21 12:12:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 12:12:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 12:12:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-07-21 12:12:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-07-21 12:12:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_commit_metadata [2022-07-21 12:12:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_commit_metadata [2022-07-21 12:12:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-07-21 12:12:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-07-21 12:12:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-21 12:12:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-21 12:12:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure get_pool_mode [2022-07-21 12:12:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pool_mode [2022-07-21 12:12:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure notify_of_pool_mode_change [2022-07-21 12:12:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_of_pool_mode_change [2022-07-21 12:12:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-21 12:12:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-21 12:12:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 12:12:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 12:12:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue_overwrite [2022-07-21 12:12:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue_overwrite [2022-07-21 12:12:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_insert [2022-07-21 12:12:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_insert [2022-07-21 12:12:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-07-21 12:12:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-07-21 12:12:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_unlock [2022-07-21 12:12:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_unlock [2022-07-21 12:12:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure io_overwrites_block [2022-07-21 12:12:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure io_overwrites_block [2022-07-21 12:12:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure build_data_key [2022-07-21 12:12:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure build_data_key [2022-07-21 12:12:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-07-21 12:12:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-07-21 12:12:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure process_bio [2022-07-21 12:12:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure process_bio [2022-07-21 12:12:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_create [2022-07-21 12:12:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_create [2022-07-21 12:12:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure zero_fill_bio [2022-07-21 12:12:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_fill_bio [2022-07-21 12:12:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure thin_iterate_devices [2022-07-21 12:12:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_iterate_devices [2022-07-21 12:12:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-07-21 12:12:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-07-21 12:12:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure provision_block [2022-07-21 12:12:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure provision_block [2022-07-21 12:12:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 12:12:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 12:12:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure __open_metadata [2022-07-21 12:12:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_metadata [2022-07-21 12:12:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2022-07-21 12:12:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2022-07-21 12:12:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure issue_discard [2022-07-21 12:12:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_discard [2022-07-21 12:12:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure dm_device_name [2022-07-21 12:12:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_device_name [2022-07-21 12:12:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_dm_thin_pool_table [2022-07-21 12:12:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_dm_thin_pool_table [2022-07-21 12:12:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:12:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:12:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-07-21 12:12:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-07-21 12:12:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-21 12:12:32,366 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-21 12:12:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 12:12:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue_shared_cell [2022-07-21 12:12:32,366 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue_shared_cell [2022-07-21 12:12:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_zero [2022-07-21 12:12:32,383 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_zero [2022-07-21 12:12:32,383 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_btree_details [2022-07-21 12:12:32,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_btree_details [2022-07-21 12:12:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:12:32,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:12:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_free_block_count [2022-07-21 12:12:32,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_free_block_count [2022-07-21 12:12:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure pool_map [2022-07-21 12:12:32,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_map [2022-07-21 12:12:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure __commit_transaction [2022-07-21 12:12:32,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __commit_transaction [2022-07-21 12:12:32,384 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_lookup [2022-07-21 12:12:32,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_lookup [2022-07-21 12:12:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:12:32,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:12:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure error_bio_list [2022-07-21 12:12:32,385 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bio_list [2022-07-21 12:12:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure pool_work_complete [2022-07-21 12:12:32,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_work_complete [2022-07-21 12:12:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer_no_holder [2022-07-21 12:12:32,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer_no_holder [2022-07-21 12:12:32,385 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-07-21 12:12:32,386 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-07-21 12:12:32,386 INFO L130 BoogieDeclarations]: Found specification of procedure retry_on_resume [2022-07-21 12:12:32,386 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_on_resume [2022-07-21 12:12:32,386 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 12:12:32,386 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 12:12:32,386 INFO L130 BoogieDeclarations]: Found specification of procedure pool_merge [2022-07-21 12:12:32,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_merge [2022-07-21 12:12:32,386 INFO L130 BoogieDeclarations]: Found specification of procedure cell_error [2022-07-21 12:12:32,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_error [2022-07-21 12:12:32,386 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-21 12:12:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-21 12:12:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-07-21 12:12:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-07-21 12:12:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_abort_metadata [2022-07-21 12:12:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_abort_metadata [2022-07-21 12:12:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-21 12:12:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-21 12:12:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_inc [2022-07-21 12:12:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_inc [2022-07-21 12:12:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-07-21 12:12:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-07-21 12:12:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure check_arg_count [2022-07-21 12:12:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure check_arg_count [2022-07-21 12:12:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_get_nr_blocks [2022-07-21 12:12:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_get_nr_blocks [2022-07-21 12:12:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue [2022-07-21 12:12:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue [2022-07-21 12:12:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 12:12:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 12:12:32,389 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-07-21 12:12:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-07-21 12:12:32,389 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_dec [2022-07-21 12:12:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_dec [2022-07-21 12:12:32,389 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_destroy [2022-07-21 12:12:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_destroy [2022-07-21 12:12:32,389 INFO L130 BoogieDeclarations]: Found specification of procedure process_shared_bio [2022-07-21 12:12:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure process_shared_bio [2022-07-21 12:12:32,389 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-21 12:12:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-21 12:12:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-07-21 12:12:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-07-21 12:12:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 12:12:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 12:12:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure thin_dtr [2022-07-21 12:12:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_dtr [2022-07-21 12:12:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-21 12:12:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure __write_initial_superblock [2022-07-21 12:12:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __write_initial_superblock [2022-07-21 12:12:32,390 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-07-21 12:12:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-07-21 12:12:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_next_mapping [2022-07-21 12:12:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_next_mapping [2022-07-21 12:12:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-07-21 12:12:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-07-21 12:12:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure handle_unserviceable_bio [2022-07-21 12:12:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_unserviceable_bio [2022-07-21 12:12:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:12:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:12:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-07-21 12:12:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-07-21 12:12:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_copy [2022-07-21 12:12:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_copy [2022-07-21 12:12:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-21 12:12:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-21 12:12:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 12:12:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 12:12:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 12:12:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-07-21 12:12:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-07-21 12:12:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-21 12:12:32,392 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-21 12:12:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-21 12:12:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-21 12:12:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-07-21 12:12:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-07-21 12:12:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure process_thin_deferred_cells [2022-07-21 12:12:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure process_thin_deferred_cells [2022-07-21 12:12:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure pool_resume [2022-07-21 12:12:32,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_resume [2022-07-21 12:12:33,515 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:12:33,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:12:33,779 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:12:43,444 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:12:43,478 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:12:43,478 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:12:43,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:12:43 BoogieIcfgContainer [2022-07-21 12:12:43,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:12:43,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:12:43,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:12:43,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:12:43,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:12:27" (1/3) ... [2022-07-21 12:12:43,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f28a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:12:43, skipping insertion in model container [2022-07-21 12:12:43,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:31" (2/3) ... [2022-07-21 12:12:43,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f28a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:12:43, skipping insertion in model container [2022-07-21 12:12:43,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:12:43" (3/3) ... [2022-07-21 12:12:43,494 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-thin-pool.ko-entry_point.cil.out.i [2022-07-21 12:12:43,505 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:12:43,505 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:12:43,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:12:43,615 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@5ab804aa, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5731aced [2022-07-21 12:12:43,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:12:43,628 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) [2022-07-21 12:12:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-21 12:12:43,655 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:12:43,656 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] [2022-07-21 12:12:43,656 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:12:43,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:12:43,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1546272708, now seen corresponding path program 1 times [2022-07-21 12:12:43,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:12:43,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147456460] [2022-07-21 12:12:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:12:43,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:12:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:12:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:12:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:12:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:12:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:12:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:12:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:12:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:12:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:12:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:12:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:12:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:12:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:12:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 12:12:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 12:12:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:12:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:12:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 12:12:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 12:12:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:12:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 12:12:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-21 12:12:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:12:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 12:12:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 12:12:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:12:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:44,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 12:12:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:45,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:45,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-21 12:12:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:45,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 12:12:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:45,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:45,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 12:12:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-21 12:12:45,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:12:45,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147456460] [2022-07-21 12:12:45,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147456460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:12:45,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:12:45,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:12:45,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986075980] [2022-07-21 12:12:45,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:12:45,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:12:45,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:12:45,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:12:45,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:12:45,122 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) [2022-07-21 12:13:00,553 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 [] [2022-07-21 12:13:02,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:09,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:11,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:14,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:16,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:20,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:20,926 INFO L93 Difference]: Finished difference Result 14161 states and 21157 transitions. [2022-07-21 12:13:20,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:13:20,928 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 [2022-07-21 12:13:20,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:21,011 INFO L225 Difference]: With dead ends: 14161 [2022-07-21 12:13:21,011 INFO L226 Difference]: Without dead ends: 9686 [2022-07-21 12:13:21,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:13:21,056 INFO L413 NwaCegarLoop]: 7196 mSDtfsCounter, 9897 mSDsluCounter, 12293 mSDsCounter, 0 mSdLazyCounter, 11772 mSolverCounterSat, 7050 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10568 SdHoareTripleChecker+Valid, 19489 SdHoareTripleChecker+Invalid, 18828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7050 IncrementalHoareTripleChecker+Valid, 11772 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:21,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10568 Valid, 19489 Invalid, 18828 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7050 Valid, 11772 Invalid, 6 Unknown, 0 Unchecked, 34.7s Time] [2022-07-21 12:13:21,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9686 states. [2022-07-21 12:13:21,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9686 to 7904. [2022-07-21 12:13:21,466 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) [2022-07-21 12:13:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7904 states to 7904 states and 11014 transitions. [2022-07-21 12:13:21,512 INFO L78 Accepts]: Start accepts. Automaton has 7904 states and 11014 transitions. Word has length 426 [2022-07-21 12:13:21,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:21,515 INFO L495 AbstractCegarLoop]: Abstraction has 7904 states and 11014 transitions. [2022-07-21 12:13:21,516 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) [2022-07-21 12:13:21,516 INFO L276 IsEmpty]: Start isEmpty. Operand 7904 states and 11014 transitions. [2022-07-21 12:13:21,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-07-21 12:13:21,523 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:21,523 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] [2022-07-21 12:13:21,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 12:13:21,524 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:21,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:21,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1282501854, now seen corresponding path program 1 times [2022-07-21 12:13:21,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:21,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651797605] [2022-07-21 12:13:21,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:21,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:13:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:13:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:13:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:13:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:13:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 12:13:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 12:13:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:13:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:13:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 12:13:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 12:13:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:13:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 12:13:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-21 12:13:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:13:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 12:13:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 12:13:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:13:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 12:13:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-21 12:13:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 12:13:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 12:13:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-21 12:13:22,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:22,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651797605] [2022-07-21 12:13:22,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651797605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:22,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:22,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:13:22,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4375481] [2022-07-21 12:13:22,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:22,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:13:22,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:22,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:13:22,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:13:22,396 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) [2022-07-21 12:13:34,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:42,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:49,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:49,532 INFO L93 Difference]: Finished difference Result 26319 states and 37723 transitions. [2022-07-21 12:13:49,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:13:49,533 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 [2022-07-21 12:13:49,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:49,685 INFO L225 Difference]: With dead ends: 26319 [2022-07-21 12:13:49,686 INFO L226 Difference]: Without dead ends: 18481 [2022-07-21 12:13:49,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:13:49,738 INFO L413 NwaCegarLoop]: 8595 mSDtfsCounter, 9694 mSDsluCounter, 11096 mSDsCounter, 0 mSdLazyCounter, 10424 mSolverCounterSat, 6774 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10487 SdHoareTripleChecker+Valid, 19691 SdHoareTripleChecker+Invalid, 17200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6774 IncrementalHoareTripleChecker+Valid, 10424 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:49,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10487 Valid, 19691 Invalid, 17200 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6774 Valid, 10424 Invalid, 2 Unknown, 0 Unchecked, 26.1s Time] [2022-07-21 12:13:49,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18481 states. [2022-07-21 12:13:50,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18481 to 15021. [2022-07-21 12:13:50,448 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) [2022-07-21 12:13:50,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15021 states to 15021 states and 20841 transitions. [2022-07-21 12:13:50,523 INFO L78 Accepts]: Start accepts. Automaton has 15021 states and 20841 transitions. Word has length 432 [2022-07-21 12:13:50,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:50,525 INFO L495 AbstractCegarLoop]: Abstraction has 15021 states and 20841 transitions. [2022-07-21 12:13:50,526 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) [2022-07-21 12:13:50,526 INFO L276 IsEmpty]: Start isEmpty. Operand 15021 states and 20841 transitions. [2022-07-21 12:13:50,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-07-21 12:13:50,532 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:50,532 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] [2022-07-21 12:13:50,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 12:13:50,534 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:50,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:50,534 INFO L85 PathProgramCache]: Analyzing trace with hash 769336676, now seen corresponding path program 1 times [2022-07-21 12:13:50,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:50,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043964545] [2022-07-21 12:13:50,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:50,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:13:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:13:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:13:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:50,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:13:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:13:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 12:13:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 12:13:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:13:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:13:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 12:13:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 12:13:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:13:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 12:13:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-21 12:13:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:13:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 12:13:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 12:13:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:13:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 12:13:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-21 12:13:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 12:13:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 12:13:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-21 12:13:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-21 12:13:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2502 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2502 trivial. 0 not checked. [2022-07-21 12:13:51,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:51,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043964545] [2022-07-21 12:13:51,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043964545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:51,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:51,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:13:51,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656776608] [2022-07-21 12:13:51,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:51,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:13:51,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:51,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:13:51,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:13:51,341 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) [2022-07-21 12:14:10,145 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 [] [2022-07-21 12:14:12,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:14,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:16,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:18,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:20,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:32,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:34,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:36,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:39,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:41,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:43,095 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 [] [2022-07-21 12:14:54,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:14:54,161 INFO L93 Difference]: Finished difference Result 51650 states and 73972 transitions. [2022-07-21 12:14:54,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:14:54,163 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 [2022-07-21 12:14:54,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:14:54,418 INFO L225 Difference]: With dead ends: 51650 [2022-07-21 12:14:54,418 INFO L226 Difference]: Without dead ends: 36705 [2022-07-21 12:14:54,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:14:54,497 INFO L413 NwaCegarLoop]: 10011 mSDtfsCounter, 9600 mSDsluCounter, 15856 mSDsCounter, 0 mSdLazyCounter, 13756 mSolverCounterSat, 6123 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10435 SdHoareTripleChecker+Valid, 25867 SdHoareTripleChecker+Invalid, 19891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6123 IncrementalHoareTripleChecker+Valid, 13756 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:14:54,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10435 Valid, 25867 Invalid, 19891 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6123 Valid, 13756 Invalid, 12 Unknown, 0 Unchecked, 61.0s Time] [2022-07-21 12:14:54,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36705 states. [2022-07-21 12:14:55,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36705 to 29798. [2022-07-21 12:14:56,014 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) [2022-07-21 12:14:56,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29798 states to 29798 states and 41336 transitions. [2022-07-21 12:14:56,188 INFO L78 Accepts]: Start accepts. Automaton has 29798 states and 41336 transitions. Word has length 439 [2022-07-21 12:14:56,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:14:56,189 INFO L495 AbstractCegarLoop]: Abstraction has 29798 states and 41336 transitions. [2022-07-21 12:14:56,189 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) [2022-07-21 12:14:56,189 INFO L276 IsEmpty]: Start isEmpty. Operand 29798 states and 41336 transitions. [2022-07-21 12:14:56,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-21 12:14:56,195 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:14:56,195 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] [2022-07-21 12:14:56,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 12:14:56,195 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:14:56,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:14:56,196 INFO L85 PathProgramCache]: Analyzing trace with hash 914046152, now seen corresponding path program 1 times [2022-07-21 12:14:56,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:14:56,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266053170] [2022-07-21 12:14:56,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:14:56,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:14:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:14:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:14:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:14:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:14:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:14:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:14:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:14:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:14:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:14:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:14:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:14:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:14:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:14:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 12:14:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 12:14:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:14:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:14:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 12:14:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 12:14:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:14:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:56,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 12:14:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-21 12:14:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:14:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 12:14:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 12:14:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:14:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 12:14:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-21 12:14:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 12:14:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 12:14:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 12:14:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-21 12:14:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:57,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-21 12:14:57,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:14:57,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266053170] [2022-07-21 12:14:57,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266053170] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:14:57,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:14:57,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:14:57,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177426323] [2022-07-21 12:14:57,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:14:57,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:14:57,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:14:57,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:14:57,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:14:57,160 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) [2022-07-21 12:14:59,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:05,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:08,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:10,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:16,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:18,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:22,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:15:22,456 INFO L93 Difference]: Finished difference Result 36688 states and 53205 transitions. [2022-07-21 12:15:22,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:15:22,456 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 [2022-07-21 12:15:22,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:15:22,579 INFO L225 Difference]: With dead ends: 36688 [2022-07-21 12:15:22,580 INFO L226 Difference]: Without dead ends: 36685 [2022-07-21 12:15:22,595 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 [2022-07-21 12:15:22,599 INFO L413 NwaCegarLoop]: 5619 mSDtfsCounter, 8717 mSDsluCounter, 6600 mSDsCounter, 0 mSdLazyCounter, 6077 mSolverCounterSat, 4838 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9399 SdHoareTripleChecker+Valid, 12219 SdHoareTripleChecker+Invalid, 10919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4838 IncrementalHoareTripleChecker+Valid, 6077 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:15:22,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9399 Valid, 12219 Invalid, 10919 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4838 Valid, 6077 Invalid, 4 Unknown, 0 Unchecked, 24.3s Time] [2022-07-21 12:15:22,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36685 states. [2022-07-21 12:15:23,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36685 to 29797. [2022-07-21 12:15:23,511 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) [2022-07-21 12:15:23,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29797 states to 29797 states and 41334 transitions. [2022-07-21 12:15:23,630 INFO L78 Accepts]: Start accepts. Automaton has 29797 states and 41334 transitions. Word has length 444 [2022-07-21 12:15:23,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:15:23,631 INFO L495 AbstractCegarLoop]: Abstraction has 29797 states and 41334 transitions. [2022-07-21 12:15:23,631 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) [2022-07-21 12:15:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 29797 states and 41334 transitions. [2022-07-21 12:15:23,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-07-21 12:15:23,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:15:23,635 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] [2022-07-21 12:15:23,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 12:15:23,636 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:15:23,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:15:23,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1731606289, now seen corresponding path program 1 times [2022-07-21 12:15:23,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:15:23,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136219165] [2022-07-21 12:15:23,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:15:23,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:15:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:15:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:15:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:15:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:15:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:15:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:15:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:15:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:23,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:15:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:15:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:15:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:15:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:15:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:15:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 12:15:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 12:15:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:15:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:15:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 12:15:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 12:15:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:15:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 12:15:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-21 12:15:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:15:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 12:15:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 12:15:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:15:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 12:15:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-21 12:15:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 12:15:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 12:15:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 12:15:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-21 12:15:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:24,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-21 12:15:24,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:15:24,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136219165] [2022-07-21 12:15:24,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136219165] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:15:24,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:15:24,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:15:24,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324786090] [2022-07-21 12:15:24,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:15:24,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:15:24,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:15:24,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:15:24,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:15:24,580 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) [2022-07-21 12:15:30,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:34,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:36,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:15:36,930 INFO L93 Difference]: Finished difference Result 36687 states and 53203 transitions. [2022-07-21 12:15:36,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:15:36,931 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 [2022-07-21 12:15:36,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:15:37,074 INFO L225 Difference]: With dead ends: 36687 [2022-07-21 12:15:37,074 INFO L226 Difference]: Without dead ends: 36684 [2022-07-21 12:15:37,091 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 [2022-07-21 12:15:37,093 INFO L413 NwaCegarLoop]: 5610 mSDtfsCounter, 10715 mSDsluCounter, 2819 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 6823 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11382 SdHoareTripleChecker+Valid, 8429 SdHoareTripleChecker+Invalid, 9910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6823 IncrementalHoareTripleChecker+Valid, 3085 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:15:37,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11382 Valid, 8429 Invalid, 9910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6823 Valid, 3085 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2022-07-21 12:15:37,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36684 states. [2022-07-21 12:15:37,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36684 to 29796. [2022-07-21 12:15:38,020 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) [2022-07-21 12:15:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29796 states to 29796 states and 41332 transitions. [2022-07-21 12:15:38,301 INFO L78 Accepts]: Start accepts. Automaton has 29796 states and 41332 transitions. Word has length 445 [2022-07-21 12:15:38,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:15:38,302 INFO L495 AbstractCegarLoop]: Abstraction has 29796 states and 41332 transitions. [2022-07-21 12:15:38,302 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) [2022-07-21 12:15:38,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29796 states and 41332 transitions. [2022-07-21 12:15:38,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-07-21 12:15:38,308 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:15:38,308 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] [2022-07-21 12:15:38,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 12:15:38,308 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:15:38,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:15:38,309 INFO L85 PathProgramCache]: Analyzing trace with hash -2142448469, now seen corresponding path program 1 times [2022-07-21 12:15:38,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:15:38,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696246173] [2022-07-21 12:15:38,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:15:38,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:15:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:15:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:15:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:15:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:15:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:15:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:15:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:15:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:15:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:15:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:15:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:15:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:15:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:15:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 12:15:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 12:15:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:15:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:15:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 12:15:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 12:15:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:15:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 12:15:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-21 12:15:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:15:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 12:15:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 12:15:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:15:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 12:15:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-21 12:15:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 12:15:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 12:15:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 12:15:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-21 12:15:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-21 12:15:39,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:15:39,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696246173] [2022-07-21 12:15:39,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696246173] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:15:39,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:15:39,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:15:39,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747850124] [2022-07-21 12:15:39,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:15:39,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:15:39,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:15:39,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:15:39,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:15:39,057 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) [2022-07-21 12:15:45,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:49,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:51,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:15:51,833 INFO L93 Difference]: Finished difference Result 36686 states and 53201 transitions. [2022-07-21 12:15:51,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:15:51,834 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 [2022-07-21 12:15:51,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:15:51,960 INFO L225 Difference]: With dead ends: 36686 [2022-07-21 12:15:51,960 INFO L226 Difference]: Without dead ends: 36683 [2022-07-21 12:15:51,977 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 [2022-07-21 12:15:51,977 INFO L413 NwaCegarLoop]: 5667 mSDtfsCounter, 10677 mSDsluCounter, 2817 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 6795 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11343 SdHoareTripleChecker+Valid, 8484 SdHoareTripleChecker+Invalid, 9884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6795 IncrementalHoareTripleChecker+Valid, 3087 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:15:51,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11343 Valid, 8484 Invalid, 9884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6795 Valid, 3087 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2022-07-21 12:15:52,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36683 states. [2022-07-21 12:15:52,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36683 to 29795. [2022-07-21 12:15:53,034 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) [2022-07-21 12:15:53,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29795 states to 29795 states and 41330 transitions. [2022-07-21 12:15:53,146 INFO L78 Accepts]: Start accepts. Automaton has 29795 states and 41330 transitions. Word has length 446 [2022-07-21 12:15:53,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:15:53,147 INFO L495 AbstractCegarLoop]: Abstraction has 29795 states and 41330 transitions. [2022-07-21 12:15:53,147 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) [2022-07-21 12:15:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 29795 states and 41330 transitions. [2022-07-21 12:15:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-07-21 12:15:53,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:15:53,152 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] [2022-07-21 12:15:53,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 12:15:53,152 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:15:53,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:15:53,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1993649294, now seen corresponding path program 1 times [2022-07-21 12:15:53,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:15:53,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699846172] [2022-07-21 12:15:53,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:15:53,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:15:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:15:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:15:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:15:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:15:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:15:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:15:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:15:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:15:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:15:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:15:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:15:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:15:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:15:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 12:15:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 12:15:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:15:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:15:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 12:15:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 12:15:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:15:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 12:15:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-21 12:15:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:15:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 12:15:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 12:15:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:15:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 12:15:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-21 12:15:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 12:15:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 12:15:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 12:15:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-21 12:15:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-21 12:15:53,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:15:53,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699846172] [2022-07-21 12:15:53,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699846172] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:15:53,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:15:53,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:15:53,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105590476] [2022-07-21 12:15:53,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:15:53,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:15:53,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:15:53,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:15:53,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:15:53,849 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) [2022-07-21 12:16:03,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:16:05,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:16:07,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:16:15,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:16:17,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:16:19,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:16:21,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:16:23,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:16:25,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:16:30,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:16:32,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []