./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 e19ca921 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-dev-e19ca92 [2021-12-22 15:00:01,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:00:01,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:00:01,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:00:01,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:00:01,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:00:01,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:00:01,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:00:01,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:00:01,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:00:01,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:00:01,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:00:01,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:00:01,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:00:01,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:00:01,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:00:01,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:00:01,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:00:01,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:00:01,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:00:01,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:00:01,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:00:01,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:00:01,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:00:01,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:00:01,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:00:01,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:00:01,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:00:01,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:00:01,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:00:01,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:00:01,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:00:01,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:00:01,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:00:01,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:00:01,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:00:01,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:00:01,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:00:01,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:00:01,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:00:01,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:00:01,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:00:01,784 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:00:01,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:00:01,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:00:01,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:00:01,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:00:01,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:00:01,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:00:01,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:00:01,786 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:00:01,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:00:01,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:00:01,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:00:01,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:00:01,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:00:01,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:00:01,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:00:01,788 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:00:01,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:00:01,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:00:01,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:00:01,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:00:01,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:00:01,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:00:01,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:00:01,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:00:01,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:00:01,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:00:01,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:00:01,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:00:01,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:00:01,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:00:01,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2021-12-22 15:00:01,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:00:01,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:00:01,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:00:01,995 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:00:01,996 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:00:01,996 INFO L432 ainManager$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 [2021-12-22 15:00:02,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf32c75ec/99904bd9f4324bc88a8b563aca00e372/FLAG919490410 [2021-12-22 15:00:02,656 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:00:02,657 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 [2021-12-22 15:00:02,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf32c75ec/99904bd9f4324bc88a8b563aca00e372/FLAG919490410 [2021-12-22 15:00:02,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf32c75ec/99904bd9f4324bc88a8b563aca00e372 [2021-12-22 15:00:02,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:00:02,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:00:02,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:00:02,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:00:02,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:00:02,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:00:02" (1/1) ... [2021-12-22 15:00:02,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee0702b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:02, skipping insertion in model container [2021-12-22 15:00:02,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:00:02" (1/1) ... [2021-12-22 15:00:02,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:00:02,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:00:05,450 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] [2021-12-22 15:00:05,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:00:05,659 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:00:05,939 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] [2021-12-22 15:00:05,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:00:06,154 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:00:06,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06 WrapperNode [2021-12-22 15:00:06,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:00:06,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:00:06,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:00:06,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:00:06,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06" (1/1) ... [2021-12-22 15:00:06,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06" (1/1) ... [2021-12-22 15:00:06,558 INFO L137 Inliner]: procedures = 664, calls = 4061, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9806 [2021-12-22 15:00:06,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:00:06,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:00:06,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:00:06,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:00:06,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06" (1/1) ... [2021-12-22 15:00:06,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06" (1/1) ... [2021-12-22 15:00:06,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06" (1/1) ... [2021-12-22 15:00:06,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06" (1/1) ... [2021-12-22 15:00:06,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06" (1/1) ... [2021-12-22 15:00:06,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06" (1/1) ... [2021-12-22 15:00:06,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06" (1/1) ... [2021-12-22 15:00:06,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:00:06,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:00:06,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:00:06,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:00:06,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06" (1/1) ... [2021-12-22 15:00:06,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:00:06,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:00:06,989 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) [2021-12-22 15:00:06,995 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 [2021-12-22 15:00:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2021-12-22 15:00:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2021-12-22 15:00:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-22 15:00:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-22 15:00:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 15:00:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 15:00:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-22 15:00:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-22 15:00:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-22 15:00:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-22 15:00:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2021-12-22 15:00:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2021-12-22 15:00:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2021-12-22 15:00:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2021-12-22 15:00:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-22 15:00:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-22 15:00:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-22 15:00:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-22 15:00:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-22 15:00:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2021-12-22 15:00:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2021-12-22 15:00:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:00:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:00:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2021-12-22 15:00:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2021-12-22 15:00:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2021-12-22 15:00:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2021-12-22 15:00:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-22 15:00:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-22 15:00:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-22 15:00:07,031 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-22 15:00:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2021-12-22 15:00:07,031 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2021-12-22 15:00:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2021-12-22 15:00:07,031 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2021-12-22 15:00:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:00:07,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:00:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2021-12-22 15:00:07,032 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2021-12-22 15:00:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2021-12-22 15:00:07,032 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2021-12-22 15:00:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-22 15:00:07,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-22 15:00:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2021-12-22 15:00:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2021-12-22 15:00:07,033 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2021-12-22 15:00:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2021-12-22 15:00:07,033 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2021-12-22 15:00:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-22 15:00:07,033 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-22 15:00:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-22 15:00:07,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-22 15:00:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2021-12-22 15:00:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2021-12-22 15:00:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2021-12-22 15:00:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2021-12-22 15:00:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:00:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:00:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2021-12-22 15:00:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2021-12-22 15:00:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2021-12-22 15:00:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2021-12-22 15:00:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:00:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:00:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2021-12-22 15:00:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2021-12-22 15:00:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2021-12-22 15:00:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2021-12-22 15:00:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2021-12-22 15:00:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2021-12-22 15:00:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2021-12-22 15:00:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2021-12-22 15:00:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2021-12-22 15:00:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2021-12-22 15:00:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2021-12-22 15:00:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2021-12-22 15:00:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:00:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:00:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2021-12-22 15:00:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2021-12-22 15:00:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2021-12-22 15:00:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2021-12-22 15:00:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2021-12-22 15:00:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2021-12-22 15:00:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2021-12-22 15:00:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2021-12-22 15:00:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2021-12-22 15:00:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2021-12-22 15:00:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-22 15:00:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-22 15:00:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-22 15:00:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2021-12-22 15:00:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2021-12-22 15:00:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2021-12-22 15:00:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2021-12-22 15:00:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:00:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:00:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:00:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:00:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-22 15:00:07,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-22 15:00:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:00:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2021-12-22 15:00:07,042 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2021-12-22 15:00:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2021-12-22 15:00:07,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2021-12-22 15:00:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:00:07,043 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:00:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2021-12-22 15:00:07,043 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2021-12-22 15:00:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2021-12-22 15:00:07,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2021-12-22 15:00:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-22 15:00:07,044 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-22 15:00:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-22 15:00:07,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-22 15:00:07,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:00:07,045 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2021-12-22 15:00:07,045 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2021-12-22 15:00:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2021-12-22 15:00:07,047 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2021-12-22 15:00:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:00:07,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:00:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2021-12-22 15:00:07,048 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2021-12-22 15:00:07,049 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2021-12-22 15:00:07,049 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2021-12-22 15:00:07,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:00:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-22 15:00:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-22 15:00:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-22 15:00:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-22 15:00:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2021-12-22 15:00:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2021-12-22 15:00:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2021-12-22 15:00:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2021-12-22 15:00:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:00:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2021-12-22 15:00:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2021-12-22 15:00:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-22 15:00:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-22 15:00:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:00:07,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:00:07,055 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2021-12-22 15:00:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2021-12-22 15:00:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2021-12-22 15:00:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2021-12-22 15:00:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2021-12-22 15:00:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2021-12-22 15:00:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-22 15:00:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-22 15:00:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2021-12-22 15:00:07,056 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2021-12-22 15:00:07,056 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2021-12-22 15:00:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2021-12-22 15:00:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 15:00:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 15:00:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2021-12-22 15:00:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2021-12-22 15:00:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2021-12-22 15:00:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2021-12-22 15:00:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2021-12-22 15:00:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2021-12-22 15:00:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:00:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:00:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2021-12-22 15:00:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2021-12-22 15:00:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2021-12-22 15:00:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2021-12-22 15:00:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2021-12-22 15:00:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2021-12-22 15:00:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:00:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-22 15:00:07,058 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-22 15:00:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2021-12-22 15:00:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2021-12-22 15:00:07,059 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 15:00:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 15:00:07,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:00:07,059 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-22 15:00:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-22 15:00:07,059 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-22 15:00:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-22 15:00:07,059 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-22 15:00:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-22 15:00:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:00:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:00:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:00:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2021-12-22 15:00:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2021-12-22 15:00:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-22 15:00:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-22 15:00:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2021-12-22 15:00:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2021-12-22 15:00:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2021-12-22 15:00:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2021-12-22 15:00:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2021-12-22 15:00:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2021-12-22 15:00:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-22 15:00:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-22 15:00:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2021-12-22 15:00:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2021-12-22 15:00:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2021-12-22 15:00:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2021-12-22 15:00:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-22 15:00:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-22 15:00:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-22 15:00:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-22 15:00:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2021-12-22 15:00:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2021-12-22 15:00:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 15:00:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 15:00:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2021-12-22 15:00:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2021-12-22 15:00:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2021-12-22 15:00:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2021-12-22 15:00:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2021-12-22 15:00:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2021-12-22 15:00:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2021-12-22 15:00:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2021-12-22 15:00:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2021-12-22 15:00:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2021-12-22 15:00:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-22 15:00:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-22 15:00:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2021-12-22 15:00:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2021-12-22 15:00:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 15:00:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 15:00:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:00:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:00:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2021-12-22 15:00:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2021-12-22 15:00:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2021-12-22 15:00:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2021-12-22 15:00:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2021-12-22 15:00:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2021-12-22 15:00:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2021-12-22 15:00:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2021-12-22 15:00:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 15:00:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 15:00:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2021-12-22 15:00:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2021-12-22 15:00:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:00:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:00:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2021-12-22 15:00:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2021-12-22 15:00:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:00:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:00:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2021-12-22 15:00:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2021-12-22 15:00:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-22 15:00:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-22 15:00:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-22 15:00:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-22 15:00:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2021-12-22 15:00:07,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2021-12-22 15:00:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2021-12-22 15:00:07,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2021-12-22 15:00:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2021-12-22 15:00:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2021-12-22 15:00:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:00:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:00:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:00:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:00:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2021-12-22 15:00:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2021-12-22 15:00:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2021-12-22 15:00:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2021-12-22 15:00:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-22 15:00:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-22 15:00:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2021-12-22 15:00:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2021-12-22 15:00:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2021-12-22 15:00:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2021-12-22 15:00:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2021-12-22 15:00:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2021-12-22 15:00:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2021-12-22 15:00:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2021-12-22 15:00:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2021-12-22 15:00:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2021-12-22 15:00:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-22 15:00:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-22 15:00:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2021-12-22 15:00:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2021-12-22 15:00:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-22 15:00:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-22 15:00:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2021-12-22 15:00:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2021-12-22 15:00:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2021-12-22 15:00:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2021-12-22 15:00:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:00:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:00:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2021-12-22 15:00:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2021-12-22 15:00:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:00:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:00:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-22 15:00:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-22 15:00:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2021-12-22 15:00:07,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2021-12-22 15:00:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 15:00:07,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 15:00:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:00:07,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:00:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2021-12-22 15:00:07,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2021-12-22 15:00:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:00:07,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:00:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-22 15:00:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-22 15:00:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-12-22 15:00:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-12-22 15:00:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2021-12-22 15:00:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2021-12-22 15:00:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-22 15:00:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-22 15:00:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-22 15:00:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-22 15:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-22 15:00:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-22 15:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2021-12-22 15:00:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2021-12-22 15:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-22 15:00:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-22 15:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2021-12-22 15:00:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2021-12-22 15:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-22 15:00:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-22 15:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-22 15:00:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-22 15:00:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:00:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:00:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:00:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-22 15:00:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-22 15:00:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2021-12-22 15:00:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2021-12-22 15:00:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:00:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-22 15:00:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-22 15:00:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-22 15:00:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-22 15:00:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2021-12-22 15:00:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2021-12-22 15:00:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2021-12-22 15:00:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2021-12-22 15:00:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-22 15:00:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-22 15:00:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2021-12-22 15:00:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2021-12-22 15:00:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-22 15:00:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-22 15:00:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2021-12-22 15:00:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2021-12-22 15:00:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:00:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-22 15:00:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-22 15:00:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2021-12-22 15:00:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2021-12-22 15:00:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:00:07,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:00:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:00:07,081 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:00:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-22 15:00:07,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-22 15:00:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2021-12-22 15:00:07,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2021-12-22 15:00:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:00:07,081 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:00:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2021-12-22 15:00:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2021-12-22 15:00:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-22 15:00:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-22 15:00:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-22 15:00:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-22 15:00:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-22 15:00:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-22 15:00:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2021-12-22 15:00:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2021-12-22 15:00:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2021-12-22 15:00:07,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2021-12-22 15:00:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2021-12-22 15:00:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2021-12-22 15:00:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-22 15:00:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-22 15:00:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2021-12-22 15:00:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2021-12-22 15:00:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:00:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:00:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2021-12-22 15:00:07,083 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2021-12-22 15:00:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2021-12-22 15:00:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2021-12-22 15:00:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-22 15:00:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-22 15:00:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2021-12-22 15:00:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2021-12-22 15:00:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2021-12-22 15:00:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2021-12-22 15:00:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2021-12-22 15:00:07,084 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2021-12-22 15:00:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-22 15:00:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-22 15:00:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2021-12-22 15:00:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2021-12-22 15:00:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-22 15:00:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-22 15:00:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:00:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:00:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2021-12-22 15:00:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2021-12-22 15:00:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2021-12-22 15:00:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:00:07,086 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:00:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-22 15:00:07,086 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-22 15:00:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:00:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2021-12-22 15:00:07,086 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2021-12-22 15:00:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2021-12-22 15:00:07,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2021-12-22 15:00:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:00:07,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:00:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2021-12-22 15:00:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2021-12-22 15:00:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:00:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:00:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-22 15:00:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-22 15:00:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2021-12-22 15:00:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2021-12-22 15:00:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-22 15:00:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-22 15:00:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2021-12-22 15:00:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2021-12-22 15:00:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2021-12-22 15:00:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2021-12-22 15:00:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-22 15:00:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-22 15:00:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2021-12-22 15:00:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2021-12-22 15:00:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2021-12-22 15:00:07,088 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2021-12-22 15:00:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-22 15:00:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-22 15:00:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2021-12-22 15:00:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2021-12-22 15:00:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-22 15:00:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-22 15:00:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2021-12-22 15:00:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2021-12-22 15:00:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 15:00:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 15:00:07,089 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-12-22 15:00:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-12-22 15:00:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2021-12-22 15:00:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2021-12-22 15:00:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2021-12-22 15:00:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2021-12-22 15:00:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 15:00:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 15:00:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-22 15:00:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-22 15:00:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2021-12-22 15:00:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2021-12-22 15:00:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2021-12-22 15:00:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2021-12-22 15:00:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-22 15:00:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-22 15:00:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-22 15:00:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-22 15:00:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-22 15:00:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-22 15:00:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2021-12-22 15:00:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2021-12-22 15:00:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2021-12-22 15:00:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2021-12-22 15:00:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2021-12-22 15:00:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2021-12-22 15:00:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-22 15:00:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2021-12-22 15:00:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2021-12-22 15:00:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-22 15:00:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-22 15:00:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-22 15:00:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-22 15:00:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2021-12-22 15:00:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2021-12-22 15:00:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:00:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:00:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:00:07,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:00:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-22 15:00:07,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-22 15:00:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2021-12-22 15:00:07,096 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2021-12-22 15:00:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2021-12-22 15:00:07,096 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2021-12-22 15:00:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2021-12-22 15:00:07,096 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2021-12-22 15:00:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:00:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2021-12-22 15:00:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2021-12-22 15:00:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-22 15:00:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-22 15:00:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-22 15:00:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-22 15:00:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 15:00:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-22 15:00:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-22 15:00:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-22 15:00:07,098 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-22 15:00:08,132 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:00:08,136 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:00:08,706 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:00:14,476 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:00:14,493 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:00:14,494 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:00:14,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:00:14 BoogieIcfgContainer [2021-12-22 15:00:14,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:00:14,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:00:14,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:00:14,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:00:14,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:00:02" (1/3) ... [2021-12-22 15:00:14,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efaf1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:00:14, skipping insertion in model container [2021-12-22 15:00:14,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:00:06" (2/3) ... [2021-12-22 15:00:14,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efaf1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:00:14, skipping insertion in model container [2021-12-22 15:00:14,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:00:14" (3/3) ... [2021-12-22 15:00:14,505 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-22 15:00:14,509 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:00:14,509 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:00:14,567 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:00:14,588 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:00:14,588 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:00:14,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 3883 states, 2503 states have (on average 1.2744706352377146) internal successors, (3190), 2589 states have internal predecessors, (3190), 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) [2021-12-22 15:00:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-22 15:00:14,673 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:00:14,674 INFO L514 BasicCegarLoop]: 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] [2021-12-22 15:00:14,674 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:00:14,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:00:14,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1010070639, now seen corresponding path program 1 times [2021-12-22 15:00:14,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:00:14,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264753648] [2021-12-22 15:00:14,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:00:14,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:00:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:00:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:00:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:00:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:00:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:00:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:00:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:00:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:00:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:00:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:00:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:00:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:00:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:00:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:00:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:00:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:00:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:00:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-22 15:00:15,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:00:15,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264753648] [2021-12-22 15:00:15,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264753648] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:00:15,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:00:15,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:00:15,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279809247] [2021-12-22 15:00:15,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:00:15,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:00:15,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:00:15,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:00:15,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:00:15,824 INFO L87 Difference]: Start difference. First operand has 3883 states, 2503 states have (on average 1.2744706352377146) internal successors, (3190), 2589 states have internal predecessors, (3190), 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) [2021-12-22 15:00:25,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:00:26,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:00:26,657 INFO L93 Difference]: Finished difference Result 8452 states and 12355 transitions. [2021-12-22 15:00:26,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:00:26,660 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 [2021-12-22 15:00:26,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:00:26,705 INFO L225 Difference]: With dead ends: 8452 [2021-12-22 15:00:26,706 INFO L226 Difference]: Without dead ends: 4553 [2021-12-22 15:00:26,731 INFO L932 BasicCegarLoop]: 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 [2021-12-22 15:00:26,734 INFO L933 BasicCegarLoop]: 4944 mSDtfsCounter, 4287 mSDsluCounter, 2174 mSDsCounter, 0 mSdLazyCounter, 2301 mSolverCounterSat, 5047 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4396 SdHoareTripleChecker+Valid, 7118 SdHoareTripleChecker+Invalid, 7348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5047 IncrementalHoareTripleChecker+Valid, 2301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-22 15:00:26,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4396 Valid, 7118 Invalid, 7348 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5047 Valid, 2301 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2021-12-22 15:00:26,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4553 states. [2021-12-22 15:00:26,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4553 to 3862. [2021-12-22 15:00:26,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3862 states, 2490 states have (on average 1.2690763052208835) internal successors, (3160), 2568 states have internal predecessors, (3160), 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) [2021-12-22 15:00:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5410 transitions. [2021-12-22 15:00:26,966 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5410 transitions. Word has length 253 [2021-12-22 15:00:26,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:00:26,968 INFO L470 AbstractCegarLoop]: Abstraction has 3862 states and 5410 transitions. [2021-12-22 15:00:26,969 INFO L471 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) [2021-12-22 15:00:26,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5410 transitions. [2021-12-22 15:00:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-22 15:00:26,977 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:00:26,978 INFO L514 BasicCegarLoop]: 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] [2021-12-22 15:00:26,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:00:26,978 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:00:26,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:00:26,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1808246337, now seen corresponding path program 1 times [2021-12-22 15:00:26,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:00:26,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765925253] [2021-12-22 15:00:26,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:00:26,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:00:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:00:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:00:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:00:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:00:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:00:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:00:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:00:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:00:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:00:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:00:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:00:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:00:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:00:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:00:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:00:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:00:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:00:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:27,676 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-22 15:00:27,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:00:27,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765925253] [2021-12-22 15:00:27,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765925253] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:00:27,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:00:27,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:00:27,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349230366] [2021-12-22 15:00:27,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:00:27,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:00:27,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:00:27,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:00:27,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:00:27,679 INFO L87 Difference]: Start difference. First operand 3862 states and 5410 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) [2021-12-22 15:00:37,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:00:37,741 INFO L93 Difference]: Finished difference Result 4555 states and 6593 transitions. [2021-12-22 15:00:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:00:37,742 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 [2021-12-22 15:00:37,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:00:37,790 INFO L225 Difference]: With dead ends: 4555 [2021-12-22 15:00:37,790 INFO L226 Difference]: Without dead ends: 4552 [2021-12-22 15:00:37,793 INFO L932 BasicCegarLoop]: 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 [2021-12-22 15:00:37,795 INFO L933 BasicCegarLoop]: 4837 mSDtfsCounter, 8975 mSDsluCounter, 2153 mSDsCounter, 0 mSdLazyCounter, 2360 mSolverCounterSat, 6151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9610 SdHoareTripleChecker+Valid, 6990 SdHoareTripleChecker+Invalid, 8511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6151 IncrementalHoareTripleChecker+Valid, 2360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:00:37,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9610 Valid, 6990 Invalid, 8511 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6151 Valid, 2360 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2021-12-22 15:00:37,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4552 states. [2021-12-22 15:00:37,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4552 to 3861. [2021-12-22 15:00:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 2490 states have (on average 1.2686746987951807) internal successors, (3159), 2567 states have internal predecessors, (3159), 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) [2021-12-22 15:00:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5408 transitions. [2021-12-22 15:00:37,964 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5408 transitions. Word has length 253 [2021-12-22 15:00:37,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:00:37,965 INFO L470 AbstractCegarLoop]: Abstraction has 3861 states and 5408 transitions. [2021-12-22 15:00:37,965 INFO L471 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) [2021-12-22 15:00:37,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5408 transitions. [2021-12-22 15:00:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-22 15:00:37,968 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:00:37,968 INFO L514 BasicCegarLoop]: 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] [2021-12-22 15:00:37,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:00:37,969 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:00:37,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:00:37,969 INFO L85 PathProgramCache]: Analyzing trace with hash -223027263, now seen corresponding path program 1 times [2021-12-22 15:00:37,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:00:37,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827851565] [2021-12-22 15:00:37,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:00:37,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:00:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:00:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:00:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:00:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:00:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:00:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:00:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:00:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:00:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:00:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:00:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:00:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:00:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:00:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:00:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:00:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:00:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:00:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-22 15:00:38,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:00:38,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827851565] [2021-12-22 15:00:38,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827851565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:00:38,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:00:38,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:00:38,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431758702] [2021-12-22 15:00:38,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:00:38,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:00:38,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:00:38,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:00:38,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:00:38,560 INFO L87 Difference]: Start difference. First operand 3861 states and 5408 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) [2021-12-22 15:00:41,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:00:52,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:00:54,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:00:55,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:00:55,414 INFO L93 Difference]: Finished difference Result 4554 states and 6591 transitions. [2021-12-22 15:00:55,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:00:55,418 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 [2021-12-22 15:00:55,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:00:55,442 INFO L225 Difference]: With dead ends: 4554 [2021-12-22 15:00:55,442 INFO L226 Difference]: Without dead ends: 4551 [2021-12-22 15:00:55,445 INFO L932 BasicCegarLoop]: 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 [2021-12-22 15:00:55,449 INFO L933 BasicCegarLoop]: 4839 mSDtfsCounter, 7809 mSDsluCounter, 3724 mSDsCounter, 0 mSdLazyCounter, 3663 mSolverCounterSat, 4576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8442 SdHoareTripleChecker+Valid, 8563 SdHoareTripleChecker+Invalid, 8239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4576 IncrementalHoareTripleChecker+Valid, 3663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:00:55,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8442 Valid, 8563 Invalid, 8239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4576 Valid, 3663 Invalid, 0 Unknown, 0 Unchecked, 16.5s Time] [2021-12-22 15:00:55,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2021-12-22 15:00:55,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 3860. [2021-12-22 15:00:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3860 states, 2490 states have (on average 1.2682730923694778) internal successors, (3158), 2566 states have internal predecessors, (3158), 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) [2021-12-22 15:00:55,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 5406 transitions. [2021-12-22 15:00:55,612 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 5406 transitions. Word has length 254 [2021-12-22 15:00:55,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:00:55,614 INFO L470 AbstractCegarLoop]: Abstraction has 3860 states and 5406 transitions. [2021-12-22 15:00:55,614 INFO L471 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) [2021-12-22 15:00:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 5406 transitions. [2021-12-22 15:00:55,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-22 15:00:55,617 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:00:55,617 INFO L514 BasicCegarLoop]: 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] [2021-12-22 15:00:55,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:00:55,618 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:00:55,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:00:55,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1674128642, now seen corresponding path program 1 times [2021-12-22 15:00:55,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:00:55,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235322925] [2021-12-22 15:00:55,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:00:55,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:00:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:00:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:00:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:00:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:00:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:00:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:00:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:00:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:00:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:00:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:00:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 15:00:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:00:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 15:00:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 15:00:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:00:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:00:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:00:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:00:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:00:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:00:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-22 15:00:56,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:00:56,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235322925] [2021-12-22 15:00:56,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235322925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:00:56,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:00:56,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:00:56,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631515521] [2021-12-22 15:00:56,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:00:56,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:00:56,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:00:56,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:00:56,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:00:56,176 INFO L87 Difference]: Start difference. First operand 3860 states and 5406 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)