./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 ff03de63 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-ff03de6 [2021-12-21 16:33:21,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:33:21,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:33:21,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:33:21,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:33:21,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:33:21,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:33:21,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:33:21,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:33:21,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:33:21,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:33:21,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:33:21,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:33:21,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:33:21,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:33:21,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:33:21,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:33:21,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:33:21,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:33:21,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:33:21,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:33:21,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:33:21,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:33:21,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:33:21,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:33:21,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:33:21,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:33:21,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:33:21,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:33:21,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:33:21,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:33:21,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:33:21,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:33:21,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:33:21,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:33:21,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:33:21,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:33:21,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:33:21,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:33:21,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:33:21,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:33:21,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:33:21,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:33:21,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:33:21,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:33:21,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:33:21,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:33:21,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:33:21,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:33:21,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:33:21,767 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:33:21,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:33:21,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:33:21,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:33:21,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:33:21,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:33:21,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:33:21,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:33:21,770 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:33:21,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:33:21,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:33:21,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:33:21,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:33:21,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:33:21,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:33:21,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:33:21,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:33:21,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:33:21,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:33:21,772 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:33:21,773 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:33:21,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:33:21,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:33:21,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2021-12-21 16:33:21,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:33:22,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:33:22,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:33:22,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:33:22,024 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:33:22,025 INFO L432 ainManager$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 [2021-12-21 16:33:22,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf2cb9859/7354371291d44ab9b57c250bc5416f75/FLAGf70bd6a2f [2021-12-21 16:33:22,808 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:33:22,809 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 [2021-12-21 16:33:22,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf2cb9859/7354371291d44ab9b57c250bc5416f75/FLAGf70bd6a2f [2021-12-21 16:33:23,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf2cb9859/7354371291d44ab9b57c250bc5416f75 [2021-12-21 16:33:23,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:33:23,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:33:23,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:33:23,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:33:23,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:33:23,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:33:23" (1/1) ... [2021-12-21 16:33:23,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f7f9f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:23, skipping insertion in model container [2021-12-21 16:33:23,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:33:23" (1/1) ... [2021-12-21 16:33:23,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:33:23,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:33:26,097 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] [2021-12-21 16:33:26,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:33:26,285 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:33:26,663 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] [2021-12-21 16:33:26,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:33:26,876 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:33:26,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26 WrapperNode [2021-12-21 16:33:26,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:33:26,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:33:26,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:33:26,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:33:26,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26" (1/1) ... [2021-12-21 16:33:27,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26" (1/1) ... [2021-12-21 16:33:27,246 INFO L137 Inliner]: procedures = 664, calls = 4061, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9806 [2021-12-21 16:33:27,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:33:27,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:33:27,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:33:27,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:33:27,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26" (1/1) ... [2021-12-21 16:33:27,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26" (1/1) ... [2021-12-21 16:33:27,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26" (1/1) ... [2021-12-21 16:33:27,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26" (1/1) ... [2021-12-21 16:33:27,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26" (1/1) ... [2021-12-21 16:33:27,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26" (1/1) ... [2021-12-21 16:33:27,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26" (1/1) ... [2021-12-21 16:33:27,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:33:27,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:33:27,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:33:27,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:33:27,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26" (1/1) ... [2021-12-21 16:33:27,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:33:27,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:33:27,672 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) [2021-12-21 16:33:27,692 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 [2021-12-21 16:33:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2021-12-21 16:33:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2021-12-21 16:33:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-21 16:33:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-21 16:33:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-21 16:33:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-21 16:33:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-21 16:33:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-21 16:33:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-21 16:33:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-21 16:33:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2021-12-21 16:33:27,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2021-12-21 16:33:27,709 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2021-12-21 16:33:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2021-12-21 16:33:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-21 16:33:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-21 16:33:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-21 16:33:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-21 16:33:27,710 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-21 16:33:27,710 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2021-12-21 16:33:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2021-12-21 16:33:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:33:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:33:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2021-12-21 16:33:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2021-12-21 16:33:27,711 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2021-12-21 16:33:27,711 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2021-12-21 16:33:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-21 16:33:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-21 16:33:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-21 16:33:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-21 16:33:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2021-12-21 16:33:27,712 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2021-12-21 16:33:27,712 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2021-12-21 16:33:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2021-12-21 16:33:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:33:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:33:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2021-12-21 16:33:27,713 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2021-12-21 16:33:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2021-12-21 16:33:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2021-12-21 16:33:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-21 16:33:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-21 16:33:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2021-12-21 16:33:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2021-12-21 16:33:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2021-12-21 16:33:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2021-12-21 16:33:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2021-12-21 16:33:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-21 16:33:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-21 16:33:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-21 16:33:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-21 16:33:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2021-12-21 16:33:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2021-12-21 16:33:27,716 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2021-12-21 16:33:27,716 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2021-12-21 16:33:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:33:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:33:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2021-12-21 16:33:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2021-12-21 16:33:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2021-12-21 16:33:27,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2021-12-21 16:33:27,717 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:33:27,718 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:33:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2021-12-21 16:33:27,718 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2021-12-21 16:33:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2021-12-21 16:33:27,718 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2021-12-21 16:33:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2021-12-21 16:33:27,718 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2021-12-21 16:33:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2021-12-21 16:33:27,719 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2021-12-21 16:33:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2021-12-21 16:33:27,719 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2021-12-21 16:33:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2021-12-21 16:33:27,719 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2021-12-21 16:33:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:33:27,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:33:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2021-12-21 16:33:27,720 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2021-12-21 16:33:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2021-12-21 16:33:27,720 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2021-12-21 16:33:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2021-12-21 16:33:27,720 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2021-12-21 16:33:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2021-12-21 16:33:27,721 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2021-12-21 16:33:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2021-12-21 16:33:27,721 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2021-12-21 16:33:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-21 16:33:27,721 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-21 16:33:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-21 16:33:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2021-12-21 16:33:27,722 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2021-12-21 16:33:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2021-12-21 16:33:27,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2021-12-21 16:33:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:33:27,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:33:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:33:27,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:33:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-21 16:33:27,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-21 16:33:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:33:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2021-12-21 16:33:27,723 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2021-12-21 16:33:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2021-12-21 16:33:27,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2021-12-21 16:33:27,724 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:33:27,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:33:27,724 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2021-12-21 16:33:27,724 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2021-12-21 16:33:27,724 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2021-12-21 16:33:27,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2021-12-21 16:33:27,724 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-21 16:33:27,725 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-21 16:33:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-21 16:33:27,725 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-21 16:33:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:33:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2021-12-21 16:33:27,725 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2021-12-21 16:33:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2021-12-21 16:33:27,726 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2021-12-21 16:33:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:33:27,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:33:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2021-12-21 16:33:27,726 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2021-12-21 16:33:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2021-12-21 16:33:27,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2021-12-21 16:33:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:33:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-21 16:33:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-21 16:33:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-21 16:33:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-21 16:33:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2021-12-21 16:33:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2021-12-21 16:33:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2021-12-21 16:33:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2021-12-21 16:33:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:33:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2021-12-21 16:33:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2021-12-21 16:33:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-21 16:33:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-21 16:33:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:33:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:33:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2021-12-21 16:33:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2021-12-21 16:33:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2021-12-21 16:33:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2021-12-21 16:33:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2021-12-21 16:33:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2021-12-21 16:33:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-21 16:33:27,730 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-21 16:33:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2021-12-21 16:33:27,730 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2021-12-21 16:33:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2021-12-21 16:33:27,730 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2021-12-21 16:33:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-21 16:33:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-21 16:33:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2021-12-21 16:33:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2021-12-21 16:33:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2021-12-21 16:33:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2021-12-21 16:33:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2021-12-21 16:33:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2021-12-21 16:33:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:33:27,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:33:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2021-12-21 16:33:27,732 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2021-12-21 16:33:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2021-12-21 16:33:27,732 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2021-12-21 16:33:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2021-12-21 16:33:27,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2021-12-21 16:33:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:33:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-21 16:33:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-21 16:33:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2021-12-21 16:33:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2021-12-21 16:33:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 16:33:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 16:33:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:33:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-21 16:33:27,734 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-21 16:33:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-21 16:33:27,734 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-21 16:33:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-21 16:33:27,734 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-21 16:33:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:33:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:33:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:33:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2021-12-21 16:33:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2021-12-21 16:33:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-21 16:33:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-21 16:33:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2021-12-21 16:33:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2021-12-21 16:33:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2021-12-21 16:33:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2021-12-21 16:33:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2021-12-21 16:33:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2021-12-21 16:33:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-21 16:33:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-21 16:33:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2021-12-21 16:33:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2021-12-21 16:33:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2021-12-21 16:33:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2021-12-21 16:33:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-21 16:33:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-21 16:33:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-21 16:33:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-21 16:33:27,738 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2021-12-21 16:33:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2021-12-21 16:33:27,738 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-21 16:33:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-21 16:33:27,738 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2021-12-21 16:33:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2021-12-21 16:33:27,738 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2021-12-21 16:33:27,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2021-12-21 16:33:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2021-12-21 16:33:27,739 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2021-12-21 16:33:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2021-12-21 16:33:27,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2021-12-21 16:33:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2021-12-21 16:33:27,739 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2021-12-21 16:33:27,739 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-21 16:33:27,739 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-21 16:33:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2021-12-21 16:33:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2021-12-21 16:33:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-21 16:33:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-21 16:33:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:33:27,740 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:33:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2021-12-21 16:33:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2021-12-21 16:33:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2021-12-21 16:33:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2021-12-21 16:33:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2021-12-21 16:33:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2021-12-21 16:33:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2021-12-21 16:33:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2021-12-21 16:33:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-21 16:33:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-21 16:33:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2021-12-21 16:33:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2021-12-21 16:33:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:33:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:33:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2021-12-21 16:33:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2021-12-21 16:33:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:33:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:33:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2021-12-21 16:33:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2021-12-21 16:33:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-21 16:33:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-21 16:33:27,743 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-21 16:33:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-21 16:33:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2021-12-21 16:33:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2021-12-21 16:33:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2021-12-21 16:33:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2021-12-21 16:33:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2021-12-21 16:33:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2021-12-21 16:33:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:33:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:33:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:33:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:33:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2021-12-21 16:33:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2021-12-21 16:33:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2021-12-21 16:33:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2021-12-21 16:33:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-21 16:33:27,746 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-21 16:33:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2021-12-21 16:33:27,746 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2021-12-21 16:33:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2021-12-21 16:33:27,746 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2021-12-21 16:33:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2021-12-21 16:33:27,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2021-12-21 16:33:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2021-12-21 16:33:27,747 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2021-12-21 16:33:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2021-12-21 16:33:27,747 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2021-12-21 16:33:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-21 16:33:27,747 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-21 16:33:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2021-12-21 16:33:27,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2021-12-21 16:33:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-21 16:33:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-21 16:33:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2021-12-21 16:33:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2021-12-21 16:33:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2021-12-21 16:33:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2021-12-21 16:33:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:33:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:33:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2021-12-21 16:33:27,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2021-12-21 16:33:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:33:27,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:33:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-21 16:33:27,749 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-21 16:33:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2021-12-21 16:33:27,749 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2021-12-21 16:33:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-21 16:33:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-21 16:33:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:33:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:33:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2021-12-21 16:33:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2021-12-21 16:33:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:33:27,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:33:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-21 16:33:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-21 16:33:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-12-21 16:33:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-12-21 16:33:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2021-12-21 16:33:27,751 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2021-12-21 16:33:27,751 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-21 16:33:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-21 16:33:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-21 16:33:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-21 16:33:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-21 16:33:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-21 16:33:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2021-12-21 16:33:27,752 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2021-12-21 16:33:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-21 16:33:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-21 16:33:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2021-12-21 16:33:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2021-12-21 16:33:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-21 16:33:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-21 16:33:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-21 16:33:27,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-21 16:33:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:33:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:33:27,754 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:33:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-21 16:33:27,754 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-21 16:33:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2021-12-21 16:33:27,754 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2021-12-21 16:33:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:33:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-21 16:33:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-21 16:33:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-21 16:33:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-21 16:33:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2021-12-21 16:33:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2021-12-21 16:33:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2021-12-21 16:33:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2021-12-21 16:33:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-21 16:33:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-21 16:33:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2021-12-21 16:33:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2021-12-21 16:33:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-21 16:33:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-21 16:33:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2021-12-21 16:33:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2021-12-21 16:33:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:33:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-21 16:33:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-21 16:33:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2021-12-21 16:33:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2021-12-21 16:33:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:33:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:33:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-21 16:33:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-21 16:33:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 16:33:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 16:33:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2021-12-21 16:33:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2021-12-21 16:33:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-21 16:33:27,758 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-21 16:33:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2021-12-21 16:33:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2021-12-21 16:33:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-21 16:33:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-21 16:33:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-21 16:33:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-21 16:33:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-21 16:33:27,759 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-21 16:33:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2021-12-21 16:33:27,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2021-12-21 16:33:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2021-12-21 16:33:27,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2021-12-21 16:33:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2021-12-21 16:33:27,760 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2021-12-21 16:33:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-21 16:33:27,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-21 16:33:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2021-12-21 16:33:27,761 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2021-12-21 16:33:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:33:27,761 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:33:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2021-12-21 16:33:27,761 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2021-12-21 16:33:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2021-12-21 16:33:27,761 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2021-12-21 16:33:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-21 16:33:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-21 16:33:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2021-12-21 16:33:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2021-12-21 16:33:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2021-12-21 16:33:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2021-12-21 16:33:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2021-12-21 16:33:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2021-12-21 16:33:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-21 16:33:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-21 16:33:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2021-12-21 16:33:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2021-12-21 16:33:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-21 16:33:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-21 16:33:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:33:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:33:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2021-12-21 16:33:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2021-12-21 16:33:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2021-12-21 16:33:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:33:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:33:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-21 16:33:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-21 16:33:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:33:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2021-12-21 16:33:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2021-12-21 16:33:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2021-12-21 16:33:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2021-12-21 16:33:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:33:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:33:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2021-12-21 16:33:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2021-12-21 16:33:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:33:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:33:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-21 16:33:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-21 16:33:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2021-12-21 16:33:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2021-12-21 16:33:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-21 16:33:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-21 16:33:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2021-12-21 16:33:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2021-12-21 16:33:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2021-12-21 16:33:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2021-12-21 16:33:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-21 16:33:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-21 16:33:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2021-12-21 16:33:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2021-12-21 16:33:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2021-12-21 16:33:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2021-12-21 16:33:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-21 16:33:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-21 16:33:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2021-12-21 16:33:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2021-12-21 16:33:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-21 16:33:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-21 16:33:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2021-12-21 16:33:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2021-12-21 16:33:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 16:33:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 16:33:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-12-21 16:33:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-12-21 16:33:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2021-12-21 16:33:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2021-12-21 16:33:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2021-12-21 16:33:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2021-12-21 16:33:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 16:33:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 16:33:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-21 16:33:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-21 16:33:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2021-12-21 16:33:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2021-12-21 16:33:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2021-12-21 16:33:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2021-12-21 16:33:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-21 16:33:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-21 16:33:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-21 16:33:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-21 16:33:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-21 16:33:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-21 16:33:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2021-12-21 16:33:27,772 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2021-12-21 16:33:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2021-12-21 16:33:27,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2021-12-21 16:33:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2021-12-21 16:33:27,772 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2021-12-21 16:33:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-21 16:33:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2021-12-21 16:33:27,772 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2021-12-21 16:33:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-21 16:33:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-21 16:33:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-21 16:33:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-21 16:33:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2021-12-21 16:33:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2021-12-21 16:33:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:33:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:33:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:33:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:33:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-21 16:33:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-21 16:33:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2021-12-21 16:33:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2021-12-21 16:33:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2021-12-21 16:33:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2021-12-21 16:33:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2021-12-21 16:33:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2021-12-21 16:33:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:33:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2021-12-21 16:33:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2021-12-21 16:33:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-21 16:33:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-21 16:33:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-21 16:33:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-21 16:33:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-21 16:33:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-21 16:33:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-21 16:33:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-21 16:33:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-21 16:33:28,930 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:33:28,934 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:33:29,561 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:33:36,212 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:33:36,252 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:33:36,253 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:33:36,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:33:36 BoogieIcfgContainer [2021-12-21 16:33:36,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:33:36,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:33:36,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:33:36,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:33:36,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:33:23" (1/3) ... [2021-12-21 16:33:36,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fecb9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:33:36, skipping insertion in model container [2021-12-21 16:33:36,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:33:26" (2/3) ... [2021-12-21 16:33:36,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fecb9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:33:36, skipping insertion in model container [2021-12-21 16:33:36,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:33:36" (3/3) ... [2021-12-21 16:33:36,266 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-21 16:33:36,274 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:33:36,274 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:33:36,341 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:33:36,356 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 [2021-12-21 16:33:36,356 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:33:36,424 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) [2021-12-21 16:33:36,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-21 16:33:36,437 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:33:36,437 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] [2021-12-21 16:33:36,438 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:33:36,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:33:36,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1010070639, now seen corresponding path program 1 times [2021-12-21 16:33:36,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:33:36,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042513664] [2021-12-21 16:33:36,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:33:36,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:33:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:36,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:33:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:36,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:33:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:36,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:36,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:33:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:33:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:33:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:33:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:33:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:33:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:33:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:33:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:33:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:33:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:33:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:33:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:33:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:33:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:33:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-21 16:33:37,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:33:37,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042513664] [2021-12-21 16:33:37,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042513664] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:33:37,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:33:37,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:33:37,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140629700] [2021-12-21 16:33:37,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:33:37,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:33:37,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:33:37,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:33:37,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:33:37,600 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) [2021-12-21 16:33:48,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:33:49,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:33:49,256 INFO L93 Difference]: Finished difference Result 8452 states and 12355 transitions. [2021-12-21 16:33:49,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:33:49,258 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 [2021-12-21 16:33:49,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:33:49,306 INFO L225 Difference]: With dead ends: 8452 [2021-12-21 16:33:49,306 INFO L226 Difference]: Without dead ends: 4553 [2021-12-21 16:33:49,338 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 [2021-12-21 16:33:49,343 INFO L933 BasicCegarLoop]: 4938 mSDtfsCounter, 4283 mSDsluCounter, 2175 mSDsCounter, 0 mSdLazyCounter, 2298 mSolverCounterSat, 5046 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4390 SdHoareTripleChecker+Valid, 7113 SdHoareTripleChecker+Invalid, 7345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5046 IncrementalHoareTripleChecker+Valid, 2298 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:33:49,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4390 Valid, 7113 Invalid, 7345 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5046 Valid, 2298 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2021-12-21 16:33:49,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4553 states. [2021-12-21 16:33:49,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4553 to 3862. [2021-12-21 16:33:49,641 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) [2021-12-21 16:33:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5410 transitions. [2021-12-21 16:33:49,671 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5410 transitions. Word has length 253 [2021-12-21 16:33:49,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:33:49,672 INFO L470 AbstractCegarLoop]: Abstraction has 3862 states and 5410 transitions. [2021-12-21 16:33:49,673 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) [2021-12-21 16:33:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5410 transitions. [2021-12-21 16:33:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-21 16:33:49,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:33:49,684 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] [2021-12-21 16:33:49,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:33:49,684 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:33:49,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:33:49,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1808246337, now seen corresponding path program 1 times [2021-12-21 16:33:49,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:33:49,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740761758] [2021-12-21 16:33:49,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:33:49,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:33:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:33:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:49,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:49,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:33:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:33:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:33:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:33:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:33:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:33:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:33:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:33:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:33:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:33:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:33:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:33:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:33:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:33:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:33:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:33:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:33:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:33:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:33:50,331 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-21 16:33:50,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:33:50,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740761758] [2021-12-21 16:33:50,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740761758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:33:50,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:33:50,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:33:50,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656825094] [2021-12-21 16:33:50,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:33:50,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:33:50,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:33:50,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:33:50,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:33:50,335 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) [2021-12-21 16:34:00,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:34:01,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:34:01,161 INFO L93 Difference]: Finished difference Result 4555 states and 6593 transitions. [2021-12-21 16:34:01,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:34:01,162 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 [2021-12-21 16:34:01,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:34:01,195 INFO L225 Difference]: With dead ends: 4555 [2021-12-21 16:34:01,196 INFO L226 Difference]: Without dead ends: 4552 [2021-12-21 16:34:01,200 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 [2021-12-21 16:34:01,201 INFO L933 BasicCegarLoop]: 4840 mSDtfsCounter, 8976 mSDsluCounter, 2157 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 6164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9612 SdHoareTripleChecker+Valid, 6997 SdHoareTripleChecker+Invalid, 8511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6164 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-12-21 16:34:01,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9612 Valid, 6997 Invalid, 8511 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6164 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2021-12-21 16:34:01,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4552 states. [2021-12-21 16:34:01,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4552 to 3861. [2021-12-21 16:34:01,343 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) [2021-12-21 16:34:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5408 transitions. [2021-12-21 16:34:01,362 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5408 transitions. Word has length 253 [2021-12-21 16:34:01,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:34:01,364 INFO L470 AbstractCegarLoop]: Abstraction has 3861 states and 5408 transitions. [2021-12-21 16:34:01,364 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) [2021-12-21 16:34:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5408 transitions. [2021-12-21 16:34:01,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-21 16:34:01,369 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:34:01,369 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] [2021-12-21 16:34:01,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:34:01,369 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:34:01,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:34:01,370 INFO L85 PathProgramCache]: Analyzing trace with hash -223027263, now seen corresponding path program 1 times [2021-12-21 16:34:01,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:34:01,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093833019] [2021-12-21 16:34:01,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:34:01,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:34:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:34:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:34:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:34:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:34:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:34:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:34:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:34:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:34:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:34:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:34:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:34:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:34:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:34:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:34:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:01,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:34:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:02,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:02,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:34:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:02,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:34:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-21 16:34:02,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:34:02,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093833019] [2021-12-21 16:34:02,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093833019] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:34:02,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:34:02,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:34:02,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565002671] [2021-12-21 16:34:02,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:34:02,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:34:02,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:34:02,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:34:02,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:34:02,057 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) [2021-12-21 16:34:12,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:34:15,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:34:16,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:34:16,540 INFO L93 Difference]: Finished difference Result 4554 states and 6591 transitions. [2021-12-21 16:34:16,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:34:16,540 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 [2021-12-21 16:34:16,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:34:16,568 INFO L225 Difference]: With dead ends: 4554 [2021-12-21 16:34:16,568 INFO L226 Difference]: Without dead ends: 4551 [2021-12-21 16:34:16,571 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 [2021-12-21 16:34:16,571 INFO L933 BasicCegarLoop]: 4841 mSDtfsCounter, 7803 mSDsluCounter, 3714 mSDsCounter, 0 mSdLazyCounter, 3668 mSolverCounterSat, 4577 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8437 SdHoareTripleChecker+Valid, 8555 SdHoareTripleChecker+Invalid, 8246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4577 IncrementalHoareTripleChecker+Valid, 3668 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:34:16,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8437 Valid, 8555 Invalid, 8246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4577 Valid, 3668 Invalid, 1 Unknown, 0 Unchecked, 14.1s Time] [2021-12-21 16:34:16,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2021-12-21 16:34:16,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 3860. [2021-12-21 16:34:16,722 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) [2021-12-21 16:34:16,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 5406 transitions. [2021-12-21 16:34:16,739 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 5406 transitions. Word has length 254 [2021-12-21 16:34:16,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:34:16,741 INFO L470 AbstractCegarLoop]: Abstraction has 3860 states and 5406 transitions. [2021-12-21 16:34:16,742 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) [2021-12-21 16:34:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 5406 transitions. [2021-12-21 16:34:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-21 16:34:16,745 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:34:16,745 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] [2021-12-21 16:34:16,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:34:16,746 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:34:16,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:34:16,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1674128642, now seen corresponding path program 1 times [2021-12-21 16:34:16,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:34:16,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013331653] [2021-12-21 16:34:16,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:34:16,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:34:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:34:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:16,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:16,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:34:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:16,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:16,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:16,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:34:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:34:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:34:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:34:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:34:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:34:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:34:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:34:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:34:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:34:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:34:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:34:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:34:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:34:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:34:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:34:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:34:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:34:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-21 16:34:17,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:34:17,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013331653] [2021-12-21 16:34:17,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013331653] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:34:17,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:34:17,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:34:17,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167425076] [2021-12-21 16:34:17,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:34:17,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:34:17,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:34:17,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:34:17,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:34:17,273 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)