./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:41:12,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:41:12,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:41:12,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:41:12,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:41:12,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:41:12,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:41:12,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:41:12,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:41:12,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:41:12,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:41:12,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:41:12,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:41:12,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:41:12,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:41:12,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:41:12,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:41:12,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:41:12,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:41:12,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:41:12,787 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:41:12,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:41:12,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:41:12,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:41:12,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:41:12,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:41:12,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:41:12,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:41:12,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:41:12,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:41:12,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:41:12,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:41:12,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:41:12,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:41:12,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:41:12,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:41:12,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:41:12,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:41:12,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:41:12,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:41:12,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:41:12,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:41:12,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:41:12,838 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:41:12,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:41:12,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:41:12,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:41:12,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:41:12,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:41:12,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:41:12,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:41:12,841 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:41:12,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:41:12,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:41:12,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:41:12,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:41:12,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:41:12,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:41:12,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:41:12,843 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:41:12,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:41:12,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:41:12,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:41:12,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:41:12,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:41:12,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:41:12,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:41:12,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:41:12,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:41:12,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:41:12,845 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:41:12,845 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:41:12,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:41:12,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2022-07-20 00:41:13,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:41:13,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:41:13,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:41:13,087 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:41:13,087 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:41:13,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-20 00:41:13,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd87494e/cd88fc26919e48b485e581225bb90208/FLAGcfc7d5fc0 [2022-07-20 00:41:13,903 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:41:13,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-20 00:41:13,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd87494e/cd88fc26919e48b485e581225bb90208/FLAGcfc7d5fc0 [2022-07-20 00:41:14,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd87494e/cd88fc26919e48b485e581225bb90208 [2022-07-20 00:41:14,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:41:14,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:41:14,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:41:14,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:41:14,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:41:14,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:41:14" (1/1) ... [2022-07-20 00:41:14,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fd38c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:14, skipping insertion in model container [2022-07-20 00:41:14,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:41:14" (1/1) ... [2022-07-20 00:41:14,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:41:14,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:41:17,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2022-07-20 00:41:17,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:41:17,439 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:41:17,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2022-07-20 00:41:17,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:41:18,003 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:41:18,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18 WrapperNode [2022-07-20 00:41:18,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:41:18,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:41:18,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:41:18,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:41:18,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18" (1/1) ... [2022-07-20 00:41:18,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18" (1/1) ... [2022-07-20 00:41:18,423 INFO L137 Inliner]: procedures = 664, calls = 4061, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9806 [2022-07-20 00:41:18,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:41:18,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:41:18,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:41:18,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:41:18,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18" (1/1) ... [2022-07-20 00:41:18,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18" (1/1) ... [2022-07-20 00:41:18,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18" (1/1) ... [2022-07-20 00:41:18,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18" (1/1) ... [2022-07-20 00:41:18,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18" (1/1) ... [2022-07-20 00:41:18,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18" (1/1) ... [2022-07-20 00:41:18,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18" (1/1) ... [2022-07-20 00:41:18,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:41:18,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:41:18,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:41:18,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:41:18,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18" (1/1) ... [2022-07-20 00:41:18,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:41:18,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:41:18,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 00:41:18,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 00:41:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-07-20 00:41:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-07-20 00:41:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-07-20 00:41:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-07-20 00:41:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:41:18,918 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:41:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-07-20 00:41:18,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-07-20 00:41:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-07-20 00:41:18,918 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-07-20 00:41:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-07-20 00:41:18,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-07-20 00:41:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-07-20 00:41:18,919 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-07-20 00:41:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-20 00:41:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-07-20 00:41:18,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-07-20 00:41:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-07-20 00:41:18,919 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-07-20 00:41:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-07-20 00:41:18,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-07-20 00:41:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:41:18,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:41:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-07-20 00:41:18,920 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-07-20 00:41:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-07-20 00:41:18,921 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-07-20 00:41:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-20 00:41:18,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-20 00:41:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-20 00:41:18,921 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-20 00:41:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-07-20 00:41:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-07-20 00:41:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-07-20 00:41:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-07-20 00:41:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:41:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:41:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-07-20 00:41:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-07-20 00:41:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-07-20 00:41:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-07-20 00:41:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-20 00:41:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-20 00:41:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-07-20 00:41:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-07-20 00:41:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-07-20 00:41:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-07-20 00:41:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-07-20 00:41:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-20 00:41:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-20 00:41:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-20 00:41:18,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-20 00:41:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-07-20 00:41:18,925 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-07-20 00:41:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-07-20 00:41:18,926 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-07-20 00:41:18,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:41:18,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:41:18,927 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-07-20 00:41:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-07-20 00:41:18,927 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-07-20 00:41:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-07-20 00:41:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 00:41:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 00:41:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-07-20 00:41:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-07-20 00:41:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-07-20 00:41:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-07-20 00:41:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-07-20 00:41:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-07-20 00:41:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-07-20 00:41:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-07-20 00:41:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-07-20 00:41:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-07-20 00:41:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-07-20 00:41:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-07-20 00:41:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:41:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:41:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-07-20 00:41:18,931 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-07-20 00:41:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-07-20 00:41:18,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-07-20 00:41:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-07-20 00:41:18,931 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-07-20 00:41:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-07-20 00:41:18,932 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-07-20 00:41:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-07-20 00:41:18,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-07-20 00:41:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-20 00:41:18,932 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-20 00:41:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-20 00:41:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-07-20 00:41:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-07-20 00:41:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-07-20 00:41:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-07-20 00:41:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:41:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:41:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:41:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:41:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-07-20 00:41:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-07-20 00:41:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:41:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-07-20 00:41:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-07-20 00:41:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-07-20 00:41:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-07-20 00:41:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 00:41:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 00:41:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-07-20 00:41:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-07-20 00:41:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-07-20 00:41:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-07-20 00:41:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-20 00:41:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-20 00:41:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-07-20 00:41:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-07-20 00:41:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:41:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-07-20 00:41:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-07-20 00:41:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-07-20 00:41:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-07-20 00:41:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 00:41:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 00:41:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-07-20 00:41:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-07-20 00:41:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-07-20 00:41:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-07-20 00:41:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:41:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-07-20 00:41:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-07-20 00:41:18,943 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-07-20 00:41:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-07-20 00:41:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-07-20 00:41:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-07-20 00:41:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-07-20 00:41:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-07-20 00:41:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:41:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-07-20 00:41:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-07-20 00:41:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-07-20 00:41:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-07-20 00:41:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:41:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:41:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-07-20 00:41:18,945 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-07-20 00:41:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-07-20 00:41:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-07-20 00:41:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-07-20 00:41:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-07-20 00:41:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-20 00:41:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-20 00:41:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-07-20 00:41:18,946 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-07-20 00:41:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-07-20 00:41:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-07-20 00:41:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 00:41:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 00:41:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-07-20 00:41:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-07-20 00:41:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-07-20 00:41:18,947 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-07-20 00:41:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2022-07-20 00:41:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2022-07-20 00:41:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:41:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:41:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-07-20 00:41:18,948 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-07-20 00:41:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-07-20 00:41:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-07-20 00:41:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-07-20 00:41:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-07-20 00:41:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:41:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-20 00:41:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-20 00:41:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-07-20 00:41:18,949 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-07-20 00:41:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 00:41:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 00:41:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:41:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-07-20 00:41:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-07-20 00:41:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-07-20 00:41:18,950 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-07-20 00:41:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-07-20 00:41:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-07-20 00:41:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:41:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:41:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:41:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-07-20 00:41:18,951 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-07-20 00:41:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-20 00:41:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-20 00:41:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-07-20 00:41:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-07-20 00:41:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-07-20 00:41:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-07-20 00:41:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-07-20 00:41:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-07-20 00:41:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-20 00:41:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-20 00:41:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-07-20 00:41:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-07-20 00:41:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-07-20 00:41:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-07-20 00:41:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 00:41:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 00:41:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-07-20 00:41:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-07-20 00:41:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-07-20 00:41:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-07-20 00:41:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 00:41:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 00:41:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-07-20 00:41:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-07-20 00:41:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-07-20 00:41:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-07-20 00:41:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-07-20 00:41:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-07-20 00:41:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-07-20 00:41:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-07-20 00:41:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-07-20 00:41:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-07-20 00:41:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-20 00:41:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-20 00:41:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-07-20 00:41:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-07-20 00:41:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 00:41:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 00:41:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 00:41:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 00:41:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-07-20 00:41:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-07-20 00:41:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-07-20 00:41:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-07-20 00:41:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-07-20 00:41:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-07-20 00:41:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-07-20 00:41:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-07-20 00:41:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 00:41:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 00:41:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-07-20 00:41:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-07-20 00:41:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:41:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:41:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-07-20 00:41:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-07-20 00:41:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:41:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:41:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-07-20 00:41:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-07-20 00:41:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-07-20 00:41:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-07-20 00:41:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-20 00:41:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-20 00:41:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-07-20 00:41:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-07-20 00:41:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-07-20 00:41:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-07-20 00:41:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-07-20 00:41:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-07-20 00:41:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:41:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:41:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:41:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:41:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-07-20 00:41:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-07-20 00:41:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-07-20 00:41:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-07-20 00:41:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-07-20 00:41:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-07-20 00:41:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-07-20 00:41:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-07-20 00:41:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-07-20 00:41:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-07-20 00:41:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-07-20 00:41:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-07-20 00:41:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-07-20 00:41:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-07-20 00:41:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-07-20 00:41:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-07-20 00:41:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-07-20 00:41:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-07-20 00:41:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2022-07-20 00:41:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2022-07-20 00:41:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-07-20 00:41:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-07-20 00:41:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-07-20 00:41:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-07-20 00:41:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-07-20 00:41:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-07-20 00:41:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:41:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:41:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-07-20 00:41:18,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-07-20 00:41:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:41:18,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:41:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-20 00:41:18,965 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-20 00:41:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-07-20 00:41:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-07-20 00:41:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 00:41:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 00:41:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:41:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:41:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-07-20 00:41:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-07-20 00:41:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:41:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:41:18,967 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-20 00:41:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-20 00:41:18,967 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-07-20 00:41:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-07-20 00:41:18,967 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-07-20 00:41:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-07-20 00:41:18,967 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 00:41:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 00:41:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-07-20 00:41:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-07-20 00:41:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-20 00:41:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-20 00:41:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-07-20 00:41:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-07-20 00:41:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-07-20 00:41:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-07-20 00:41:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-07-20 00:41:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-07-20 00:41:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-20 00:41:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-20 00:41:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 00:41:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 00:41:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:41:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:41:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:41:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-20 00:41:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-20 00:41:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-07-20 00:41:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-07-20 00:41:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:41:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-07-20 00:41:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-07-20 00:41:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-20 00:41:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-20 00:41:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-07-20 00:41:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-07-20 00:41:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-07-20 00:41:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-07-20 00:41:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-20 00:41:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-20 00:41:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-07-20 00:41:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-07-20 00:41:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-07-20 00:41:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-07-20 00:41:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-07-20 00:41:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-07-20 00:41:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:41:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-20 00:41:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-20 00:41:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-07-20 00:41:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-07-20 00:41:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:41:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:41:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 00:41:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 00:41:18,973 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 00:41:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 00:41:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-07-20 00:41:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-07-20 00:41:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 00:41:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 00:41:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-07-20 00:41:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-07-20 00:41:18,974 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-07-20 00:41:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-07-20 00:41:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-07-20 00:41:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-07-20 00:41:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-20 00:41:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-20 00:41:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-07-20 00:41:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-07-20 00:41:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-07-20 00:41:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-07-20 00:41:18,975 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-07-20 00:41:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-07-20 00:41:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-20 00:41:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-20 00:41:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-07-20 00:41:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-07-20 00:41:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 00:41:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 00:41:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-07-20 00:41:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-07-20 00:41:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-07-20 00:41:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-07-20 00:41:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-07-20 00:41:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-07-20 00:41:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-07-20 00:41:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-07-20 00:41:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-07-20 00:41:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-07-20 00:41:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-07-20 00:41:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-07-20 00:41:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-07-20 00:41:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-07-20 00:41:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-07-20 00:41:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-07-20 00:41:18,979 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-07-20 00:41:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-07-20 00:41:18,979 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 00:41:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 00:41:18,979 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-07-20 00:41:18,979 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-07-20 00:41:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-07-20 00:41:18,979 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:41:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:41:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-07-20 00:41:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-07-20 00:41:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:41:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-07-20 00:41:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-07-20 00:41:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-07-20 00:41:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-07-20 00:41:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:41:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:41:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-07-20 00:41:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-07-20 00:41:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:41:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:41:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-07-20 00:41:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-07-20 00:41:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-07-20 00:41:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-07-20 00:41:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 00:41:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 00:41:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-07-20 00:41:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-07-20 00:41:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-07-20 00:41:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-07-20 00:41:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-07-20 00:41:18,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-07-20 00:41:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-07-20 00:41:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-07-20 00:41:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-07-20 00:41:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-07-20 00:41:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-20 00:41:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-20 00:41:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-07-20 00:41:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-07-20 00:41:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-07-20 00:41:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-07-20 00:41:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-07-20 00:41:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-07-20 00:41:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 00:41:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 00:41:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-07-20 00:41:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-07-20 00:41:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-07-20 00:41:18,984 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-07-20 00:41:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-07-20 00:41:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-07-20 00:41:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 00:41:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 00:41:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-07-20 00:41:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-07-20 00:41:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-07-20 00:41:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-07-20 00:41:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-07-20 00:41:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-07-20 00:41:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-20 00:41:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-20 00:41:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-07-20 00:41:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-07-20 00:41:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-20 00:41:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-20 00:41:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-07-20 00:41:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-07-20 00:41:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-07-20 00:41:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-07-20 00:41:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-07-20 00:41:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-07-20 00:41:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-20 00:41:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-07-20 00:41:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-07-20 00:41:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-07-20 00:41:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-07-20 00:41:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-07-20 00:41:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-07-20 00:41:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-07-20 00:41:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-07-20 00:41:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 00:41:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 00:41:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:41:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:41:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-07-20 00:41:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-07-20 00:41:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-07-20 00:41:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-07-20 00:41:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-07-20 00:41:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-07-20 00:41:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-07-20 00:41:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-07-20 00:41:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:41:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-07-20 00:41:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-07-20 00:41:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-07-20 00:41:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-07-20 00:41:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-20 00:41:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-20 00:41:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-20 00:41:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-20 00:41:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-20 00:41:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-07-20 00:41:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-07-20 00:41:20,255 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:41:20,258 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:41:20,787 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:41:30,549 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:41:30,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:41:30,583 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:41:30,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:41:30 BoogieIcfgContainer [2022-07-20 00:41:30,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:41:30,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:41:30,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:41:30,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:41:30,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:41:14" (1/3) ... [2022-07-20 00:41:30,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fab6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:41:30, skipping insertion in model container [2022-07-20 00:41:30,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:41:18" (2/3) ... [2022-07-20 00:41:30,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fab6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:41:30, skipping insertion in model container [2022-07-20 00:41:30,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:41:30" (3/3) ... [2022-07-20 00:41:30,595 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-20 00:41:30,606 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:41:30,607 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:41:30,726 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:41:30,732 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@fecb499, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@226849a9 [2022-07-20 00:41:30,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:41:30,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 3888 states, 2508 states have (on average 1.275518341307815) internal successors, (3199), 2594 states have internal predecessors, (3199), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) [2022-07-20 00:41:30,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-20 00:41:30,764 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:41:30,764 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:41:30,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:41:30,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:41:30,769 INFO L85 PathProgramCache]: Analyzing trace with hash -820705973, now seen corresponding path program 1 times [2022-07-20 00:41:30,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:41:30,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796980697] [2022-07-20 00:41:30,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:41:30,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:41:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:41:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:41:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:41:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:41:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:41:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:41:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:41:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:41:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:41:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:41:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:41:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:41:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:41:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:41:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:41:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:41:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:41:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:31,731 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:41:31,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:41:31,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796980697] [2022-07-20 00:41:31,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796980697] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:41:31,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:41:31,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 00:41:31,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876495509] [2022-07-20 00:41:31,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:41:31,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:41:31,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:41:31,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:41:31,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:41:31,769 INFO L87 Difference]: Start difference. First operand has 3888 states, 2508 states have (on average 1.275518341307815) internal successors, (3199), 2594 states have internal predecessors, (3199), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:41:37,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:41:42,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:41:44,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:41:44,093 INFO L93 Difference]: Finished difference Result 8462 states and 12373 transitions. [2022-07-20 00:41:44,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:41:44,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-07-20 00:41:44,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:41:44,162 INFO L225 Difference]: With dead ends: 8462 [2022-07-20 00:41:44,163 INFO L226 Difference]: Without dead ends: 4558 [2022-07-20 00:41:44,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:41:44,202 INFO L413 NwaCegarLoop]: 4942 mSDtfsCounter, 4328 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 2306 mSolverCounterSat, 5048 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4434 SdHoareTripleChecker+Valid, 7110 SdHoareTripleChecker+Invalid, 7354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5048 IncrementalHoareTripleChecker+Valid, 2306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-20 00:41:44,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4434 Valid, 7110 Invalid, 7354 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5048 Valid, 2306 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2022-07-20 00:41:44,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2022-07-20 00:41:44,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 3867. [2022-07-20 00:41:44,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3867 states, 2495 states have (on average 1.2701402805611222) internal successors, (3169), 2573 states have internal predecessors, (3169), 1128 states have call successors, (1128), 244 states have call predecessors, (1128), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-20 00:41:44,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 5419 transitions. [2022-07-20 00:41:44,473 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 5419 transitions. Word has length 253 [2022-07-20 00:41:44,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:41:44,475 INFO L495 AbstractCegarLoop]: Abstraction has 3867 states and 5419 transitions. [2022-07-20 00:41:44,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:41:44,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 5419 transitions. [2022-07-20 00:41:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-20 00:41:44,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:41:44,486 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:41:44,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:41:44,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:41:44,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:41:44,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1618881671, now seen corresponding path program 1 times [2022-07-20 00:41:44,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:41:44,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099770841] [2022-07-20 00:41:44,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:41:44,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:41:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:41:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:41:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:41:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:41:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:41:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:41:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:44,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:41:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:41:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:41:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:41:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:41:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:41:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:41:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:41:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:41:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:41:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:41:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:41:45,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:41:45,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099770841] [2022-07-20 00:41:45,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099770841] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:41:45,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:41:45,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:41:45,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481971317] [2022-07-20 00:41:45,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:41:45,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:41:45,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:41:45,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:41:45,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:41:45,297 INFO L87 Difference]: Start difference. First operand 3867 states and 5419 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:41:56,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:41:56,043 INFO L93 Difference]: Finished difference Result 4560 states and 6602 transitions. [2022-07-20 00:41:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:41:56,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-07-20 00:41:56,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:41:56,077 INFO L225 Difference]: With dead ends: 4560 [2022-07-20 00:41:56,077 INFO L226 Difference]: Without dead ends: 4557 [2022-07-20 00:41:56,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:41:56,081 INFO L413 NwaCegarLoop]: 4847 mSDtfsCounter, 8999 mSDsluCounter, 2157 mSDsCounter, 0 mSdLazyCounter, 2362 mSolverCounterSat, 6154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9630 SdHoareTripleChecker+Valid, 7004 SdHoareTripleChecker+Invalid, 8516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6154 IncrementalHoareTripleChecker+Valid, 2362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:41:56,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9630 Valid, 7004 Invalid, 8516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6154 Valid, 2362 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-07-20 00:41:56,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2022-07-20 00:41:56,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 3866. [2022-07-20 00:41:56,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3866 states, 2495 states have (on average 1.2697394789579157) internal successors, (3168), 2572 states have internal predecessors, (3168), 1127 states have call successors, (1127), 244 states have call predecessors, (1127), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-20 00:41:56,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 5417 transitions. [2022-07-20 00:41:56,247 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 5417 transitions. Word has length 253 [2022-07-20 00:41:56,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:41:56,250 INFO L495 AbstractCegarLoop]: Abstraction has 3866 states and 5417 transitions. [2022-07-20 00:41:56,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:41:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 5417 transitions. [2022-07-20 00:41:56,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-20 00:41:56,255 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:41:56,255 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:41:56,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:41:56,255 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:41:56,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:41:56,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1352310769, now seen corresponding path program 1 times [2022-07-20 00:41:56,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:41:56,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532925302] [2022-07-20 00:41:56,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:41:56,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:41:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:41:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:41:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:41:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:41:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:41:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:41:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:41:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:41:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:41:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:41:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:41:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:41:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:41:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:41:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:41:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:41:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:41:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:41:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:41:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:41:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:41:56,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:41:56,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532925302] [2022-07-20 00:41:56,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532925302] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:41:56,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:41:56,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:41:56,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583396458] [2022-07-20 00:41:56,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:41:56,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:41:56,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:41:56,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:41:56,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:41:56,897 INFO L87 Difference]: Start difference. First operand 3866 states and 5417 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:42:06,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:13,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:14,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:16,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:18,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:19,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:20,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:42:20,197 INFO L93 Difference]: Finished difference Result 4559 states and 6600 transitions. [2022-07-20 00:42:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:42:20,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 254 [2022-07-20 00:42:20,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:42:20,223 INFO L225 Difference]: With dead ends: 4559 [2022-07-20 00:42:20,223 INFO L226 Difference]: Without dead ends: 4556 [2022-07-20 00:42:20,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:42:20,226 INFO L413 NwaCegarLoop]: 4849 mSDtfsCounter, 7444 mSDsluCounter, 5489 mSDsCounter, 0 mSdLazyCounter, 4989 mSolverCounterSat, 4376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8076 SdHoareTripleChecker+Valid, 10338 SdHoareTripleChecker+Invalid, 9365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4376 IncrementalHoareTripleChecker+Valid, 4989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:42:20,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8076 Valid, 10338 Invalid, 9365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4376 Valid, 4989 Invalid, 0 Unknown, 0 Unchecked, 23.0s Time] [2022-07-20 00:42:20,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4556 states. [2022-07-20 00:42:20,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4556 to 3865. [2022-07-20 00:42:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3865 states, 2495 states have (on average 1.2693386773547095) internal successors, (3167), 2571 states have internal predecessors, (3167), 1126 states have call successors, (1126), 244 states have call predecessors, (1126), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-20 00:42:20,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 5415 transitions. [2022-07-20 00:42:20,393 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 5415 transitions. Word has length 254 [2022-07-20 00:42:20,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:42:20,393 INFO L495 AbstractCegarLoop]: Abstraction has 3865 states and 5415 transitions. [2022-07-20 00:42:20,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:42:20,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 5415 transitions. [2022-07-20 00:42:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-20 00:42:20,397 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:42:20,397 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:42:20,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 00:42:20,398 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:42:20,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:42:20,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1029999236, now seen corresponding path program 1 times [2022-07-20 00:42:20,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:42:20,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591279576] [2022-07-20 00:42:20,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:42:20,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:42:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:42:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:42:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:42:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:42:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:42:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:42:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:42:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:42:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:42:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:42:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:42:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:42:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:42:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:42:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:42:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:42:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:42:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:42:20,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:42:20,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591279576] [2022-07-20 00:42:20,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591279576] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:42:20,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:42:20,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:42:20,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84690489] [2022-07-20 00:42:20,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:42:20,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:42:20,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:42:20,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:42:20,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:42:20,963 INFO L87 Difference]: Start difference. First operand 3865 states and 5415 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:42:34,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:37,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:37,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:42:37,569 INFO L93 Difference]: Finished difference Result 4558 states and 6598 transitions. [2022-07-20 00:42:37,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:42:37,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 255 [2022-07-20 00:42:37,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:42:37,592 INFO L225 Difference]: With dead ends: 4558 [2022-07-20 00:42:37,593 INFO L226 Difference]: Without dead ends: 4555 [2022-07-20 00:42:37,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:42:37,595 INFO L413 NwaCegarLoop]: 4846 mSDtfsCounter, 7821 mSDsluCounter, 3710 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 4564 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8459 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 8246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4564 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:42:37,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8459 Valid, 8556 Invalid, 8246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4564 Valid, 3681 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2022-07-20 00:42:37,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2022-07-20 00:42:37,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 3864. [2022-07-20 00:42:37,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 2495 states have (on average 1.268937875751503) internal successors, (3166), 2570 states have internal predecessors, (3166), 1125 states have call successors, (1125), 244 states have call predecessors, (1125), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-20 00:42:37,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5413 transitions. [2022-07-20 00:42:37,790 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5413 transitions. Word has length 255 [2022-07-20 00:42:37,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:42:37,794 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5413 transitions. [2022-07-20 00:42:37,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:42:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5413 transitions. [2022-07-20 00:42:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-20 00:42:37,799 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:42:37,799 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:42:37,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 00:42:37,799 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:42:37,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:42:37,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1867160492, now seen corresponding path program 1 times [2022-07-20 00:42:37,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:42:37,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907279584] [2022-07-20 00:42:37,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:42:37,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:42:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:42:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:42:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:42:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:42:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:42:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:42:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:42:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:42:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:42:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:42:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:42:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:42:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:42:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:42:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:42:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:42:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:42:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:42:38,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:42:38,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907279584] [2022-07-20 00:42:38,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907279584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:42:38,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:42:38,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:42:38,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746603505] [2022-07-20 00:42:38,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:42:38,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:42:38,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:42:38,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:42:38,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:42:38,287 INFO L87 Difference]: Start difference. First operand 3864 states and 5413 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:42:47,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:49,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:42:50,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:42:50,310 INFO L93 Difference]: Finished difference Result 4568 states and 6605 transitions. [2022-07-20 00:42:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:42:50,311 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 256 [2022-07-20 00:42:50,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:42:50,336 INFO L225 Difference]: With dead ends: 4568 [2022-07-20 00:42:50,337 INFO L226 Difference]: Without dead ends: 4555 [2022-07-20 00:42:50,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:42:50,345 INFO L413 NwaCegarLoop]: 4833 mSDtfsCounter, 9002 mSDsluCounter, 2169 mSDsCounter, 0 mSdLazyCounter, 2359 mSolverCounterSat, 6203 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9610 SdHoareTripleChecker+Valid, 7002 SdHoareTripleChecker+Invalid, 8563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6203 IncrementalHoareTripleChecker+Valid, 2359 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:42:50,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9610 Valid, 7002 Invalid, 8563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6203 Valid, 2359 Invalid, 1 Unknown, 0 Unchecked, 11.7s Time] [2022-07-20 00:42:50,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2022-07-20 00:42:50,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 3864. [2022-07-20 00:42:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 2494 states have (on average 1.2678428227746592) internal successors, (3162), 2567 states have internal predecessors, (3162), 1123 states have call successors, (1123), 247 states have call predecessors, (1123), 246 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-20 00:42:50,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5407 transitions. [2022-07-20 00:42:50,562 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5407 transitions. Word has length 256 [2022-07-20 00:42:50,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:42:50,565 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5407 transitions. [2022-07-20 00:42:50,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:42:50,565 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5407 transitions. [2022-07-20 00:42:50,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-20 00:42:50,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:42:50,575 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:42:50,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 00:42:50,575 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:42:50,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:42:50,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1914009865, now seen corresponding path program 1 times [2022-07-20 00:42:50,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:42:50,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211815468] [2022-07-20 00:42:50,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:42:50,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:42:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:42:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:42:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:42:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:42:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:42:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:42:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:42:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:42:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:42:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:42:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:42:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:42:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:42:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:42:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:42:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:42:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:42:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:42:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:42:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 00:42:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 00:42:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 00:42:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:42:51,038 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:42:51,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:42:51,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211815468] [2022-07-20 00:42:51,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211815468] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:42:51,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:42:51,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:42:51,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223375651] [2022-07-20 00:42:51,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:42:51,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:42:51,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:42:51,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:42:51,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:42:51,042 INFO L87 Difference]: Start difference. First operand 3864 states and 5407 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 00:43:01,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:16,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:43:16,212 INFO L93 Difference]: Finished difference Result 12808 states and 18511 transitions. [2022-07-20 00:43:16,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 00:43:16,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 288 [2022-07-20 00:43:16,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:43:16,273 INFO L225 Difference]: With dead ends: 12808 [2022-07-20 00:43:16,273 INFO L226 Difference]: Without dead ends: 8983 [2022-07-20 00:43:16,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-20 00:43:16,297 INFO L413 NwaCegarLoop]: 5358 mSDtfsCounter, 14901 mSDsluCounter, 5358 mSDsCounter, 0 mSdLazyCounter, 10588 mSolverCounterSat, 15237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15687 SdHoareTripleChecker+Valid, 10716 SdHoareTripleChecker+Invalid, 25825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15237 IncrementalHoareTripleChecker+Valid, 10588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:43:16,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15687 Valid, 10716 Invalid, 25825 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15237 Valid, 10588 Invalid, 0 Unknown, 0 Unchecked, 24.3s Time] [2022-07-20 00:43:16,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8983 states. [2022-07-20 00:43:16,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8983 to 6587. [2022-07-20 00:43:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6587 states, 4222 states have (on average 1.2567503552818569) internal successors, (5306), 4366 states have internal predecessors, (5306), 1905 states have call successors, (1905), 460 states have call predecessors, (1905), 459 states have return successors, (1904), 1846 states have call predecessors, (1904), 1904 states have call successors, (1904) [2022-07-20 00:43:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 9115 transitions. [2022-07-20 00:43:16,736 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 9115 transitions. Word has length 288 [2022-07-20 00:43:16,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:43:16,736 INFO L495 AbstractCegarLoop]: Abstraction has 6587 states and 9115 transitions. [2022-07-20 00:43:16,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 00:43:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 9115 transitions. [2022-07-20 00:43:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-20 00:43:16,747 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:43:16,747 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:43:16,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 00:43:16,747 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:43:16,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:43:16,748 INFO L85 PathProgramCache]: Analyzing trace with hash 417864957, now seen corresponding path program 1 times [2022-07-20 00:43:16,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:43:16,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52335396] [2022-07-20 00:43:16,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:43:16,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:43:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:16,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:43:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:43:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:16,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:43:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:43:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:43:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:43:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:43:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:43:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:43:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:43:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:43:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:43:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:43:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:43:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:43:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:43:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:43:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 00:43:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:43:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:43:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-20 00:43:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 00:43:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-20 00:43:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:17,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2022-07-20 00:43:17,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:43:17,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52335396] [2022-07-20 00:43:17,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52335396] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:43:17,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:43:17,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:43:17,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171801456] [2022-07-20 00:43:17,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:43:17,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:43:17,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:43:17,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:43:17,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:43:17,257 INFO L87 Difference]: Start difference. First operand 6587 states and 9115 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 00:43:40,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:43,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:48,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:49,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:50,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:43:52,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:43:52,527 INFO L93 Difference]: Finished difference Result 20237 states and 29275 transitions. [2022-07-20 00:43:52,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 00:43:52,528 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 341 [2022-07-20 00:43:52,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:43:52,586 INFO L225 Difference]: With dead ends: 20237 [2022-07-20 00:43:52,586 INFO L226 Difference]: Without dead ends: 13689 [2022-07-20 00:43:52,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-07-20 00:43:52,618 INFO L413 NwaCegarLoop]: 7108 mSDtfsCounter, 14114 mSDsluCounter, 7740 mSDsCounter, 0 mSdLazyCounter, 14302 mSolverCounterSat, 15989 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15053 SdHoareTripleChecker+Valid, 14848 SdHoareTripleChecker+Invalid, 30291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15989 IncrementalHoareTripleChecker+Valid, 14302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:43:52,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15053 Valid, 14848 Invalid, 30291 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15989 Valid, 14302 Invalid, 0 Unknown, 0 Unchecked, 34.1s Time] [2022-07-20 00:43:52,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13689 states. [2022-07-20 00:43:53,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13689 to 9662. [2022-07-20 00:43:53,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9662 states, 6215 states have (on average 1.2540627514078841) internal successors, (7794), 6432 states have internal predecessors, (7794), 2761 states have call successors, (2761), 686 states have call predecessors, (2761), 685 states have return successors, (2760), 2673 states have call predecessors, (2760), 2760 states have call successors, (2760) [2022-07-20 00:43:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9662 states to 9662 states and 13315 transitions. [2022-07-20 00:43:53,243 INFO L78 Accepts]: Start accepts. Automaton has 9662 states and 13315 transitions. Word has length 341 [2022-07-20 00:43:53,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:43:53,244 INFO L495 AbstractCegarLoop]: Abstraction has 9662 states and 13315 transitions. [2022-07-20 00:43:53,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 00:43:53,245 INFO L276 IsEmpty]: Start isEmpty. Operand 9662 states and 13315 transitions. [2022-07-20 00:43:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-07-20 00:43:53,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:43:53,260 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:43:53,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 00:43:53,260 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:43:53,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:43:53,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1803305228, now seen corresponding path program 1 times [2022-07-20 00:43:53,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:43:53,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430308295] [2022-07-20 00:43:53,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:43:53,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:43:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:43:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:43:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:43:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:43:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:43:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:43:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:43:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:43:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:43:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:43:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:43:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:43:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:43:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:43:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:43:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:43:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:43:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:43:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-20 00:43:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 00:43:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 00:43:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 00:43:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 00:43:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:43:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-20 00:43:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-20 00:43:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-20 00:43:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-20 00:43:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:43:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:43:53,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:43:53,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430308295] [2022-07-20 00:43:53,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430308295] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:43:53,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:43:53,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:43:53,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007869194] [2022-07-20 00:43:53,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:43:53,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:43:53,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:43:53,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:43:53,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:43:53,822 INFO L87 Difference]: Start difference. First operand 9662 states and 13315 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 00:43:57,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:44:11,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:44:11,458 INFO L93 Difference]: Finished difference Result 13313 states and 19436 transitions. [2022-07-20 00:44:11,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:44:11,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 343 [2022-07-20 00:44:11,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:44:11,461 INFO L225 Difference]: With dead ends: 13313 [2022-07-20 00:44:11,461 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 00:44:11,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-20 00:44:11,506 INFO L413 NwaCegarLoop]: 4440 mSDtfsCounter, 7182 mSDsluCounter, 4726 mSDsCounter, 0 mSdLazyCounter, 8269 mSolverCounterSat, 7810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7758 SdHoareTripleChecker+Valid, 9166 SdHoareTripleChecker+Invalid, 16079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7810 IncrementalHoareTripleChecker+Valid, 8269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:44:11,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7758 Valid, 9166 Invalid, 16079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7810 Valid, 8269 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2022-07-20 00:44:11,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 00:44:11,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 00:44:11,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 00:44:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 00:44:11,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2022-07-20 00:44:11,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:44:11,511 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 00:44:11,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 00:44:11,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 00:44:11,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 00:44:11,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 00:44:11,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 00:44:11,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.