./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-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.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 d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:08:58,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:08:58,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:08:58,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:08:58,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:08:58,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:08:58,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:08:58,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:08:58,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:08:58,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:08:58,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:08:58,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:08:58,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:08:58,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:08:58,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:08:58,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:08:58,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:08:58,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:08:58,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:08:58,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:08:58,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:08:58,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:08:58,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:08:58,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:08:58,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:08:58,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:08:58,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:08:58,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:08:58,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:08:58,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:08:58,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:08:58,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:08:58,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:08:58,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:08:58,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:08:58,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:08:58,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:08:58,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:08:58,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:08:58,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:08:58,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:08:58,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:08:58,467 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:08:58,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:08:58,468 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:08:58,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:08:58,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:08:58,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:08:58,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:08:58,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:08:58,470 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:08:58,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:08:58,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:08:58,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:08:58,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:08:58,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:08:58,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:08:58,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:08:58,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:08:58,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:08:58,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:08:58,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:08:58,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:08:58,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:08:58,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:08:58,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:08:58,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:08:58,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:08:58,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:08:58,474 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:08:58,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:08:58,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:08:58,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:08:58,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 [2021-12-22 15:08:58,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:08:58,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:08:58,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:08:58,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:08:58,707 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:08:58,708 INFO L432 ainManager$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-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2021-12-22 15:08:58,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ee0700a/d989152a9e484bacad2346d126df77a4/FLAG80bf7ffde [2021-12-22 15:08:59,393 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:08:59,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2021-12-22 15:08:59,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ee0700a/d989152a9e484bacad2346d126df77a4/FLAG80bf7ffde [2021-12-22 15:08:59,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ee0700a/d989152a9e484bacad2346d126df77a4 [2021-12-22 15:08:59,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:08:59,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:08:59,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:08:59,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:08:59,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:08:59,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:08:59" (1/1) ... [2021-12-22 15:08:59,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb671d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:59, skipping insertion in model container [2021-12-22 15:08:59,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:08:59" (1/1) ... [2021-12-22 15:08:59,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:09:00,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:09:01,968 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-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i[294962,294975] [2021-12-22 15:09:02,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:09:02,066 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:09:02,325 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-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i[294962,294975] [2021-12-22 15:09:02,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:09:02,491 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:09:02,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02 WrapperNode [2021-12-22 15:09:02,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:09:02,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:09:02,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:09:02,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:09:02,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02" (1/1) ... [2021-12-22 15:09:02,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02" (1/1) ... [2021-12-22 15:09:02,731 INFO L137 Inliner]: procedures = 381, calls = 2815, calls flagged for inlining = 157, calls inlined = 151, statements flattened = 6666 [2021-12-22 15:09:02,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:09:02,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:09:02,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:09:02,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:09:02,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02" (1/1) ... [2021-12-22 15:09:02,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02" (1/1) ... [2021-12-22 15:09:02,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02" (1/1) ... [2021-12-22 15:09:02,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02" (1/1) ... [2021-12-22 15:09:02,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02" (1/1) ... [2021-12-22 15:09:02,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02" (1/1) ... [2021-12-22 15:09:03,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02" (1/1) ... [2021-12-22 15:09:03,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:09:03,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:09:03,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:09:03,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:09:03,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02" (1/1) ... [2021-12-22 15:09:03,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:09:03,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:09:03,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:09:03,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:09:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2021-12-22 15:09:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2021-12-22 15:09:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 15:09:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 15:09:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_init [2021-12-22 15:09:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_init [2021-12-22 15:09:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure dm_vcalloc [2021-12-22 15:09:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_vcalloc [2021-12-22 15:09:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-22 15:09:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-22 15:09:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-22 15:09:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-22 15:09:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:09:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:09:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_md [2021-12-22 15:09:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_md [2021-12-22 15:09:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure stop_merge [2021-12-22 15:09:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_merge [2021-12-22 15:09:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:09:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:09:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:09:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:09:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-12-22 15:09:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-12-22 15:09:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:09:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:09:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2021-12-22 15:09:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2021-12-22 15:09:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_map [2021-12-22 15:09:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_map [2021-12-22 15:09:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure init_tracked_chunk [2021-12-22 15:09:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tracked_chunk [2021-12-22 15:09:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure exit_origin_hash [2021-12-22 15:09:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_origin_hash [2021-12-22 15:09:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure __find_pending_exception [2021-12-22 15:09:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_pending_exception [2021-12-22 15:09:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure track_chunk [2021-12-22 15:09:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure track_chunk [2021-12-22 15:09:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:09:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:09:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:09:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:09:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-22 15:09:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-22 15:09:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure remap_exception [2021-12-22 15:09:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_exception [2021-12-22 15:09:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure read_pending_exceptions_done_count [2021-12-22 15:09:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pending_exceptions_done_count [2021-12-22 15:09:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure get_info [2021-12-22 15:09:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure get_info [2021-12-22 15:09:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure origin_ctr [2021-12-22 15:09:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_ctr [2021-12-22 15:09:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_usage [2021-12-22 15:09:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_usage [2021-12-22 15:09:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pending_exception [2021-12-22 15:09:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pending_exception [2021-12-22 15:09:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-22 15:09:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-22 15:09:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_to_sector [2021-12-22 15:09:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_to_sector [2021-12-22 15:09:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-22 15:09:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-22 15:09:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure dm_insert_exception [2021-12-22 15:09:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_insert_exception [2021-12-22 15:09:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_next_chunks [2021-12-22 15:09:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_next_chunks [2021-12-22 15:09:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:09:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:09:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:09:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:09:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_origin [2021-12-22 15:09:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_origin [2021-12-22 15:09:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure get_exception [2021-12-22 15:09:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exception [2021-12-22 15:09:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:09:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:09:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:09:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:09:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure transient_read_metadata [2021-12-22 15:09:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_read_metadata [2021-12-22 15:09:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_exit [2021-12-22 15:09:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_exit [2021-12-22 15:09:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:09:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:09:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure transient_usage [2021-12-22 15:09:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_usage [2021-12-22 15:09:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_status [2021-12-22 15:09:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_status [2021-12-22 15:09:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 15:09:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 15:09:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure origin_postsuspend [2021-12-22 15:09:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_postsuspend [2021-12-22 15:09:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure sector_to_chunk [2021-12-22 15:09:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure sector_to_chunk [2021-12-22 15:09:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:09:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:09:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-22 15:09:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-22 15:09:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-12-22 15:09:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-12-22 15:09:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_cow [2021-12-22 15:09:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_cow [2021-12-22 15:09:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2021-12-22 15:09:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2021-12-22 15:09:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_drop_snapshot [2021-12-22 15:09:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_drop_snapshot [2021-12-22 15:09:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-22 15:09:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-22 15:09:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_area [2021-12-22 15:09:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_area [2021-12-22 15:09:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:09:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:09:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:09:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_map [2021-12-22 15:09:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_map [2021-12-22 15:09:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_dtr [2021-12-22 15:09:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_dtr [2021-12-22 15:09:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2021-12-22 15:09:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2021-12-22 15:09:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-22 15:09:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-22 15:09:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure __invalidate_snapshot [2021-12-22 15:09:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __invalidate_snapshot [2021-12-22 15:09:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure free_completed_exception [2021-12-22 15:09:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure free_completed_exception [2021-12-22 15:09:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_status [2021-12-22 15:09:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_status [2021-12-22 15:09:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2021-12-22 15:09:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2021-12-22 15:09:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure flush_bios [2021-12-22 15:09:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_bios [2021-12-22 15:09:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure free_pending_exception [2021-12-22 15:09:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pending_exception [2021-12-22 15:09:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:09:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure free_area [2021-12-22 15:09:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure free_area [2021-12-22 15:09:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure area_location [2021-12-22 15:09:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure area_location [2021-12-22 15:09:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 15:09:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 15:09:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_dtr [2021-12-22 15:09:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_dtr [2021-12-22 15:09:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:09:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:09:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:09:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:09:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2021-12-22 15:09:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2021-12-22 15:09:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_exit [2021-12-22 15:09:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_exit [2021-12-22 15:09:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure origin_resume [2021-12-22 15:09:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_resume [2021-12-22 15:09:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure get_origin_minimum_chunksize [2021-12-22 15:09:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_origin_minimum_chunksize [2021-12-22 15:09:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_pending_exception [2021-12-22 15:09:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_pending_exception [2021-12-22 15:09:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-22 15:09:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-22 15:09:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:09:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:09:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_exception [2021-12-22 15:09:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_exception [2021-12-22 15:09:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_equal [2021-12-22 15:09:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_equal [2021-12-22 15:09:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_get [2021-12-22 15:09:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_get [2021-12-22 15:09:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure start_merge [2021-12-22 15:09:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure start_merge [2021-12-22 15:09:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count [2021-12-22 15:09:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count [2021-12-22 15:09:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:09:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:09:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:09:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:09:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_ctr [2021-12-22 15:09:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_ctr [2021-12-22 15:09:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:09:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:09:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-22 15:09:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-22 15:09:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:09:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_destroy [2021-12-22 15:09:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_destroy [2021-12-22 15:09:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure merge_shutdown [2021-12-22 15:09:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_shutdown [2021-12-22 15:09:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_exit [2021-12-22 15:09:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_exit [2021-12-22 15:09:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure origin_dtr [2021-12-22 15:09:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_dtr [2021-12-22 15:09:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_merge [2021-12-22 15:09:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_merge [2021-12-22 15:09:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:09:03,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:09:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure start_copy [2021-12-22 15:09:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure start_copy [2021-12-22 15:09:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-22 15:09:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-22 15:09:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:09:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:09:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:09:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure transient_ctr [2021-12-22 15:09:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_ctr [2021-12-22 15:09:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:09:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-22 15:09:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-22 15:09:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure origin_write_extent [2021-12-22 15:09:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_write_extent [2021-12-22 15:09:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure transient_status [2021-12-22 15:09:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_status [2021-12-22 15:09:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io [2021-12-22 15:09:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io [2021-12-22 15:09:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_resume [2021-12-22 15:09:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_resume [2021-12-22 15:09:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:09:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:09:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:09:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:09:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure error_bios [2021-12-22 15:09:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bios [2021-12-22 15:09:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_preresume [2021-12-22 15:09:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_preresume [2021-12-22 15:09:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_iterate_devices [2021-12-22 15:09:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_iterate_devices [2021-12-22 15:09:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure origin_iterate_devices [2021-12-22 15:09:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_iterate_devices [2021-12-22 15:09:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:09:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:09:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure transient_dtr [2021-12-22 15:09:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_dtr [2021-12-22 15:09:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure put_type [2021-12-22 15:09:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure put_type [2021-12-22 15:09:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-22 15:09:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-22 15:09:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_snapshot [2021-12-22 15:09:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_snapshot [2021-12-22 15:09:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 15:09:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 15:09:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_merge [2021-12-22 15:09:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_merge [2021-12-22 15:09:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure read_exception [2021-12-22 15:09:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exception [2021-12-22 15:09:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_unregister [2021-12-22 15:09:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_unregister [2021-12-22 15:09:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:09:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure get_type [2021-12-22 15:09:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure get_type [2021-12-22 15:09:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_register [2021-12-22 15:09:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_register [2021-12-22 15:09:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_ctr [2021-12-22 15:09:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_ctr [2021-12-22 15:09:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_read_metadata [2021-12-22 15:09:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_read_metadata [2021-12-22 15:09:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 15:09:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 15:09:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:09:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:09:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_set_chunk_size [2021-12-22 15:09:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_set_chunk_size [2021-12-22 15:09:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_inc [2021-12-22 15:09:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_inc [2021-12-22 15:09:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure __find_snapshots_sharing_cow [2021-12-22 15:09:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_snapshots_sharing_cow [2021-12-22 15:09:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:09:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:09:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure dm_remove_exception [2021-12-22 15:09:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_remove_exception [2021-12-22 15:09:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_end_io [2021-12-22 15:09:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_end_io [2021-12-22 15:09:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure dm_chunk_number [2021-12-22 15:09:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_chunk_number [2021-12-22 15:09:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-12-22 15:09:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-12-22 15:09:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure skip_metadata [2021-12-22 15:09:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure skip_metadata [2021-12-22 15:09:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:09:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure zero_disk_area [2021-12-22 15:09:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_disk_area [2021-12-22 15:09:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure origin_map [2021-12-22 15:09:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_map [2021-12-22 15:09:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-12-22 15:09:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:09:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:09:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-22 15:09:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-22 15:09:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_exception [2021-12-22 15:09:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_exception [2021-12-22 15:09:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure origin_status [2021-12-22 15:09:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_status [2021-12-22 15:09:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 15:09:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 15:09:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:09:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2021-12-22 15:09:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2021-12-22 15:09:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-22 15:09:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-22 15:09:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-22 15:09:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-22 15:09:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_resume [2021-12-22 15:09:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_resume [2021-12-22 15:09:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:09:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure __check_for_conflicting_io [2021-12-22 15:09:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __check_for_conflicting_io [2021-12-22 15:09:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure origin_hash [2021-12-22 15:09:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_hash [2021-12-22 15:09:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure __find_exception_store_type [2021-12-22 15:09:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_exception_store_type [2021-12-22 15:09:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-22 15:09:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-22 15:09:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:09:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:09:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure area_io [2021-12-22 15:09:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure area_io [2021-12-22 15:09:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 15:09:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 15:09:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_completed_exception [2021-12-22 15:09:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_completed_exception [2021-12-22 15:09:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 15:09:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 15:09:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-22 15:09:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-22 15:09:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure exception_hash [2021-12-22 15:09:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure exception_hash [2021-12-22 15:09:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-22 15:09:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-22 15:09:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_io [2021-12-22 15:09:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_io [2021-12-22 15:09:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure _get_exception_store_type [2021-12-22 15:09:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_exception_store_type [2021-12-22 15:09:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure origin_merge [2021-12-22 15:09:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_merge [2021-12-22 15:09:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_create [2021-12-22 15:09:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_create [2021-12-22 15:09:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_snapshot [2021-12-22 15:09:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_snapshot [2021-12-22 15:09:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-12-22 15:09:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-12-22 15:09:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure pending_complete [2021-12-22 15:09:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_complete [2021-12-22 15:09:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-22 15:09:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-22 15:09:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:09:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:09:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:09:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:09:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure dm_lookup_exception [2021-12-22 15:09:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_lookup_exception [2021-12-22 15:09:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure transient_prepare_exception [2021-12-22 15:09:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_prepare_exception [2021-12-22 15:09:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure write_header [2021-12-22 15:09:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure write_header [2021-12-22 15:09:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure transient_commit_exception [2021-12-22 15:09:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_commit_exception [2021-12-22 15:09:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure zero_memory_area [2021-12-22 15:09:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_memory_area [2021-12-22 15:09:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:09:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure do_origin [2021-12-22 15:09:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure do_origin [2021-12-22 15:09:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-22 15:09:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-22 15:09:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_presuspend [2021-12-22 15:09:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_presuspend [2021-12-22 15:09:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:09:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:09:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure __origin_write [2021-12-22 15:09:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __origin_write [2021-12-22 15:09:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:09:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:09:04,135 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:09:04,140 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:09:04,408 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:09:10,236 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:09:10,259 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:09:10,275 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:09:10,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:09:10 BoogieIcfgContainer [2021-12-22 15:09:10,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:09:10,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:09:10,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:09:10,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:09:10,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:08:59" (1/3) ... [2021-12-22 15:09:10,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df9636a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:09:10, skipping insertion in model container [2021-12-22 15:09:10,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:09:02" (2/3) ... [2021-12-22 15:09:10,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df9636a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:09:10, skipping insertion in model container [2021-12-22 15:09:10,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:09:10" (3/3) ... [2021-12-22 15:09:10,286 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2021-12-22 15:09:10,289 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:09:10,289 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:09:10,364 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:09:10,386 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:09:10,387 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:09:10,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 2826 states, 1876 states have (on average 1.3246268656716418) internal successors, (2485), 1941 states have internal predecessors, (2485), 774 states have call successors, (774), 175 states have call predecessors, (774), 174 states have return successors, (765), 743 states have call predecessors, (765), 765 states have call successors, (765) [2021-12-22 15:09:10,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-22 15:09:10,511 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:09:10,512 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:09:10,513 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:09:10,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:09:10,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1243293602, now seen corresponding path program 1 times [2021-12-22 15:09:10,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:09:10,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794795369] [2021-12-22 15:09:10,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:09:10,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:09:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:09:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:09:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:09:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:09:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:09:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:09:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:09:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:09:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:09:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:09:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:09:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:09:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 15:09:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 15:09:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:09:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 15:09:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-22 15:09:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-22 15:09:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-22 15:09:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:09:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:09:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-22 15:09:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-22 15:09:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-22 15:09:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-22 15:09:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-22 15:09:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-22 15:09:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-22 15:09:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-22 15:09:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-22 15:09:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-22 15:09:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-22 15:09:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-22 15:09:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-22 15:09:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-12-22 15:09:12,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:09:12,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794795369] [2021-12-22 15:09:12,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794795369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:09:12,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:09:12,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:09:12,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187730164] [2021-12-22 15:09:12,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:09:12,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:09:12,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:09:12,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:09:12,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:09:12,159 INFO L87 Difference]: Start difference. First operand has 2826 states, 1876 states have (on average 1.3246268656716418) internal successors, (2485), 1941 states have internal predecessors, (2485), 774 states have call successors, (774), 175 states have call predecessors, (774), 174 states have return successors, (765), 743 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-22 15:09:14,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 15:09:16,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 15:09:20,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:22,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:25,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:09:25,083 INFO L93 Difference]: Finished difference Result 5927 states and 8795 transitions. [2021-12-22 15:09:25,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:09:25,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 473 [2021-12-22 15:09:25,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:09:25,128 INFO L225 Difference]: With dead ends: 5927 [2021-12-22 15:09:25,129 INFO L226 Difference]: Without dead ends: 3076 [2021-12-22 15:09:25,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:09:25,154 INFO L933 BasicCegarLoop]: 3709 mSDtfsCounter, 1600 mSDsluCounter, 4903 mSDsCounter, 0 mSdLazyCounter, 3093 mSolverCounterSat, 1982 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 8612 SdHoareTripleChecker+Invalid, 5076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1982 IncrementalHoareTripleChecker+Valid, 3093 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:09:25,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1642 Valid, 8612 Invalid, 5076 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1982 Valid, 3093 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2021-12-22 15:09:25,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2021-12-22 15:09:25,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 2796. [2021-12-22 15:09:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1864 states have (on average 1.31706008583691) internal successors, (2455), 1918 states have internal predecessors, (2455), 758 states have call successors, (758), 174 states have call predecessors, (758), 173 states have return successors, (756), 734 states have call predecessors, (756), 756 states have call successors, (756) [2021-12-22 15:09:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3969 transitions. [2021-12-22 15:09:25,444 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3969 transitions. Word has length 473 [2021-12-22 15:09:25,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:09:25,457 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 3969 transitions. [2021-12-22 15:09:25,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-22 15:09:25,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3969 transitions. [2021-12-22 15:09:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-22 15:09:25,483 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:09:25,484 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:09:25,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:09:25,485 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:09:25,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:09:25,485 INFO L85 PathProgramCache]: Analyzing trace with hash -289965182, now seen corresponding path program 1 times [2021-12-22 15:09:25,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:09:25,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573455206] [2021-12-22 15:09:25,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:09:25,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:09:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:09:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:09:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:09:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:09:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:09:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:09:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:09:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:09:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:09:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:09:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:09:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:09:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 15:09:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 15:09:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:09:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 15:09:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-22 15:09:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-22 15:09:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-22 15:09:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:09:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:09:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-22 15:09:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-22 15:09:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-22 15:09:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-22 15:09:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-22 15:09:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-22 15:09:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-22 15:09:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-22 15:09:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-22 15:09:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-22 15:09:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-22 15:09:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-22 15:09:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-22 15:09:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-12-22 15:09:27,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:09:27,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573455206] [2021-12-22 15:09:27,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573455206] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:09:27,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:09:27,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:09:27,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404742067] [2021-12-22 15:09:27,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:09:27,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:09:27,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:09:27,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:09:27,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:09:27,405 INFO L87 Difference]: Start difference. First operand 2796 states and 3969 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2021-12-22 15:09:31,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 15:09:36,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:38,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:44,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 15:09:48,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:50,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:09:52,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:09:52,765 INFO L93 Difference]: Finished difference Result 8707 states and 12563 transitions. [2021-12-22 15:09:52,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:09:52,766 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 473 [2021-12-22 15:09:52,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:09:52,806 INFO L225 Difference]: With dead ends: 8707 [2021-12-22 15:09:52,806 INFO L226 Difference]: Without dead ends: 5982 [2021-12-22 15:09:52,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:09:52,822 INFO L933 BasicCegarLoop]: 4211 mSDtfsCounter, 6486 mSDsluCounter, 8405 mSDsCounter, 0 mSdLazyCounter, 5620 mSolverCounterSat, 4347 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6890 SdHoareTripleChecker+Valid, 12616 SdHoareTripleChecker+Invalid, 9973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4347 IncrementalHoareTripleChecker+Valid, 5620 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:09:52,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6890 Valid, 12616 Invalid, 9973 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4347 Valid, 5620 Invalid, 6 Unknown, 0 Unchecked, 24.7s Time] [2021-12-22 15:09:52,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5982 states. [2021-12-22 15:09:53,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5982 to 5416. [2021-12-22 15:09:53,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 3616 states have (on average 1.3155420353982301) internal successors, (4757), 3724 states have internal predecessors, (4757), 1453 states have call successors, (1453), 347 states have call predecessors, (1453), 346 states have return successors, (1451), 1406 states have call predecessors, (1451), 1451 states have call successors, (1451) [2021-12-22 15:09:53,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 7661 transitions. [2021-12-22 15:09:53,165 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 7661 transitions. Word has length 473 [2021-12-22 15:09:53,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:09:53,168 INFO L470 AbstractCegarLoop]: Abstraction has 5416 states and 7661 transitions. [2021-12-22 15:09:53,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2021-12-22 15:09:53,169 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 7661 transitions. [2021-12-22 15:09:53,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-12-22 15:09:53,175 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:09:53,176 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:09:53,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:09:53,176 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:09:53,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:09:53,177 INFO L85 PathProgramCache]: Analyzing trace with hash -2027837579, now seen corresponding path program 1 times [2021-12-22 15:09:53,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:09:53,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896900878] [2021-12-22 15:09:53,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:09:53,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:09:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:09:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:09:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:09:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:09:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:09:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:09:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:09:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:09:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:09:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:09:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:09:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:09:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 15:09:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 15:09:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:09:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 15:09:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:09:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-22 15:09:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-22 15:09:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-22 15:09:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:09:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:09:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-22 15:09:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-22 15:09:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-22 15:09:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-22 15:09:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-22 15:09:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-22 15:09:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-22 15:09:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-22 15:09:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-22 15:09:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-22 15:09:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-22 15:09:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-22 15:09:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:54,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:54,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-22 15:09:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:54,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:54,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-12-22 15:09:54,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:09:54,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896900878] [2021-12-22 15:09:54,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896900878] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:09:54,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:09:54,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:09:54,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804312522] [2021-12-22 15:09:54,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:09:54,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:09:54,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:09:54,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:09:54,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:09:54,054 INFO L87 Difference]: Start difference. First operand 5416 states and 7661 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2021-12-22 15:09:56,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 15:09:58,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 15:10:01,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:10:03,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []