./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 ae007674 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-ae00767 [2021-12-28 04:27:04,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:27:04,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:27:04,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:27:04,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:27:04,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:27:04,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:27:04,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:27:04,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:27:04,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:27:04,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:27:04,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:27:04,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:27:04,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:27:04,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:27:04,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:27:04,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:27:04,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:27:04,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:27:04,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:27:04,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:27:04,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:27:04,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:27:04,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:27:04,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:27:04,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:27:04,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:27:04,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:27:04,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:27:04,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:27:04,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:27:04,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:27:04,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:27:04,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:27:04,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:27:04,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:27:04,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:27:04,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:27:04,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:27:04,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:27:04,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:27:04,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:27:04,832 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:27:04,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:27:04,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:27:04,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:27:04,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:27:04,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:27:04,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:27:04,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:27:04,836 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:27:04,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:27:04,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:27:04,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:27:04,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:27:04,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:27:04,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:27:04,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:27:04,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:27:04,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:27:04,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:27:04,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:27:04,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:27:04,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:27:04,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:27:04,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:27:04,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:27:04,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:27:04,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:27:04,839 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:27:04,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:27:04,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:27:04,840 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 [2021-12-28 04:27:05,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:27:05,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:27:05,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:27:05,155 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:27:05,156 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:27:05,157 INFO L432 ainManager$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 [2021-12-28 04:27:05,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5978c5e/2a6e943cd3244241b8404bc1f6a71c5e/FLAGe1c4c0b93 [2021-12-28 04:27:05,850 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:27:05,850 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 [2021-12-28 04:27:05,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5978c5e/2a6e943cd3244241b8404bc1f6a71c5e/FLAGe1c4c0b93 [2021-12-28 04:27:05,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5978c5e/2a6e943cd3244241b8404bc1f6a71c5e [2021-12-28 04:27:05,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:27:05,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:27:05,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:27:05,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:27:05,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:27:05,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:27:05" (1/1) ... [2021-12-28 04:27:05,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff080f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:05, skipping insertion in model container [2021-12-28 04:27:05,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:27:05" (1/1) ... [2021-12-28 04:27:05,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:27:06,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:27:08,107 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] [2021-12-28 04:27:08,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:27:08,225 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:27:08,577 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] [2021-12-28 04:27:08,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:27:08,769 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:27:08,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08 WrapperNode [2021-12-28 04:27:08,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:27:08,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:27:08,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:27:08,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:27:08,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08" (1/1) ... [2021-12-28 04:27:08,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08" (1/1) ... [2021-12-28 04:27:09,009 INFO L137 Inliner]: procedures = 381, calls = 2815, calls flagged for inlining = 157, calls inlined = 151, statements flattened = 6666 [2021-12-28 04:27:09,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:27:09,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:27:09,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:27:09,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:27:09,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08" (1/1) ... [2021-12-28 04:27:09,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08" (1/1) ... [2021-12-28 04:27:09,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08" (1/1) ... [2021-12-28 04:27:09,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08" (1/1) ... [2021-12-28 04:27:09,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08" (1/1) ... [2021-12-28 04:27:09,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08" (1/1) ... [2021-12-28 04:27:09,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08" (1/1) ... [2021-12-28 04:27:09,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:27:09,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:27:09,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:27:09,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:27:09,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08" (1/1) ... [2021-12-28 04:27:09,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:27:09,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:27:09,312 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) [2021-12-28 04:27:09,332 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 [2021-12-28 04:27:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2021-12-28 04:27:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2021-12-28 04:27:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:27:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:27:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_init [2021-12-28 04:27:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_init [2021-12-28 04:27:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure dm_vcalloc [2021-12-28 04:27:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_vcalloc [2021-12-28 04:27:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-28 04:27:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-28 04:27:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-28 04:27:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-28 04:27:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:27:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:27:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_md [2021-12-28 04:27:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_md [2021-12-28 04:27:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure stop_merge [2021-12-28 04:27:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_merge [2021-12-28 04:27:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:27:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:27:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:27:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:27:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-12-28 04:27:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-12-28 04:27:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:27:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:27:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2021-12-28 04:27:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2021-12-28 04:27:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_map [2021-12-28 04:27:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_map [2021-12-28 04:27:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure init_tracked_chunk [2021-12-28 04:27:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tracked_chunk [2021-12-28 04:27:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure exit_origin_hash [2021-12-28 04:27:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_origin_hash [2021-12-28 04:27:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure __find_pending_exception [2021-12-28 04:27:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_pending_exception [2021-12-28 04:27:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure track_chunk [2021-12-28 04:27:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure track_chunk [2021-12-28 04:27:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:27:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:27:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:27:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:27:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-28 04:27:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-28 04:27:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure remap_exception [2021-12-28 04:27:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_exception [2021-12-28 04:27:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure read_pending_exceptions_done_count [2021-12-28 04:27:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pending_exceptions_done_count [2021-12-28 04:27:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure get_info [2021-12-28 04:27:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure get_info [2021-12-28 04:27:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure origin_ctr [2021-12-28 04:27:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_ctr [2021-12-28 04:27:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_usage [2021-12-28 04:27:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_usage [2021-12-28 04:27:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pending_exception [2021-12-28 04:27:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pending_exception [2021-12-28 04:27:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-28 04:27:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-28 04:27:09,367 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_to_sector [2021-12-28 04:27:09,407 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_to_sector [2021-12-28 04:27:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-28 04:27:09,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-28 04:27:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure dm_insert_exception [2021-12-28 04:27:09,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_insert_exception [2021-12-28 04:27:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_next_chunks [2021-12-28 04:27:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_next_chunks [2021-12-28 04:27:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:27:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:27:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:27:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:27:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_origin [2021-12-28 04:27:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_origin [2021-12-28 04:27:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure get_exception [2021-12-28 04:27:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exception [2021-12-28 04:27:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:27:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:27:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:27:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:27:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure transient_read_metadata [2021-12-28 04:27:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_read_metadata [2021-12-28 04:27:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_exit [2021-12-28 04:27:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_exit [2021-12-28 04:27:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:27:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:27:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure transient_usage [2021-12-28 04:27:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_usage [2021-12-28 04:27:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_status [2021-12-28 04:27:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_status [2021-12-28 04:27:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-28 04:27:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-28 04:27:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure origin_postsuspend [2021-12-28 04:27:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_postsuspend [2021-12-28 04:27:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure sector_to_chunk [2021-12-28 04:27:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sector_to_chunk [2021-12-28 04:27:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:27:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:27:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-28 04:27:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-28 04:27:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-12-28 04:27:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-12-28 04:27:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_cow [2021-12-28 04:27:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_cow [2021-12-28 04:27:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2021-12-28 04:27:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2021-12-28 04:27:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_drop_snapshot [2021-12-28 04:27:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_drop_snapshot [2021-12-28 04:27:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-28 04:27:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-28 04:27:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_area [2021-12-28 04:27:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_area [2021-12-28 04:27:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:27:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:27:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:27:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_map [2021-12-28 04:27:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_map [2021-12-28 04:27:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_dtr [2021-12-28 04:27:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_dtr [2021-12-28 04:27:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2021-12-28 04:27:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2021-12-28 04:27:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-28 04:27:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-28 04:27:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure __invalidate_snapshot [2021-12-28 04:27:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __invalidate_snapshot [2021-12-28 04:27:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure free_completed_exception [2021-12-28 04:27:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure free_completed_exception [2021-12-28 04:27:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_status [2021-12-28 04:27:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_status [2021-12-28 04:27:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2021-12-28 04:27:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2021-12-28 04:27:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure flush_bios [2021-12-28 04:27:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_bios [2021-12-28 04:27:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure free_pending_exception [2021-12-28 04:27:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pending_exception [2021-12-28 04:27:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:27:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure free_area [2021-12-28 04:27:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure free_area [2021-12-28 04:27:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure area_location [2021-12-28 04:27:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure area_location [2021-12-28 04:27:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:27:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:27:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_dtr [2021-12-28 04:27:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_dtr [2021-12-28 04:27:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:27:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:27:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:27:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:27:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2021-12-28 04:27:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2021-12-28 04:27:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_exit [2021-12-28 04:27:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_exit [2021-12-28 04:27:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure origin_resume [2021-12-28 04:27:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_resume [2021-12-28 04:27:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_origin_minimum_chunksize [2021-12-28 04:27:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_origin_minimum_chunksize [2021-12-28 04:27:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_pending_exception [2021-12-28 04:27:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_pending_exception [2021-12-28 04:27:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-28 04:27:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-28 04:27:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:27:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:27:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_exception [2021-12-28 04:27:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_exception [2021-12-28 04:27:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_equal [2021-12-28 04:27:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_equal [2021-12-28 04:27:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_get [2021-12-28 04:27:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_get [2021-12-28 04:27:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure start_merge [2021-12-28 04:27:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure start_merge [2021-12-28 04:27:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count [2021-12-28 04:27:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count [2021-12-28 04:27:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:27:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:27:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:27:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:27:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_ctr [2021-12-28 04:27:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_ctr [2021-12-28 04:27:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:27:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:27:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-28 04:27:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-28 04:27:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:27:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_destroy [2021-12-28 04:27:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_destroy [2021-12-28 04:27:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure merge_shutdown [2021-12-28 04:27:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_shutdown [2021-12-28 04:27:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_exit [2021-12-28 04:27:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_exit [2021-12-28 04:27:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure origin_dtr [2021-12-28 04:27:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_dtr [2021-12-28 04:27:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_merge [2021-12-28 04:27:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_merge [2021-12-28 04:27:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:27:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:27:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure start_copy [2021-12-28 04:27:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure start_copy [2021-12-28 04:27:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-28 04:27:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-28 04:27:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:27:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:27:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:27:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure transient_ctr [2021-12-28 04:27:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_ctr [2021-12-28 04:27:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:27:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-28 04:27:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-28 04:27:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure origin_write_extent [2021-12-28 04:27:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_write_extent [2021-12-28 04:27:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure transient_status [2021-12-28 04:27:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_status [2021-12-28 04:27:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io [2021-12-28 04:27:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io [2021-12-28 04:27:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_resume [2021-12-28 04:27:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_resume [2021-12-28 04:27:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:27:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:27:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:27:09,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:27:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure error_bios [2021-12-28 04:27:09,419 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bios [2021-12-28 04:27:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_preresume [2021-12-28 04:27:09,419 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_preresume [2021-12-28 04:27:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_iterate_devices [2021-12-28 04:27:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_iterate_devices [2021-12-28 04:27:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure origin_iterate_devices [2021-12-28 04:27:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_iterate_devices [2021-12-28 04:27:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:27:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:27:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure transient_dtr [2021-12-28 04:27:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_dtr [2021-12-28 04:27:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure put_type [2021-12-28 04:27:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure put_type [2021-12-28 04:27:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 04:27:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 04:27:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_snapshot [2021-12-28 04:27:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_snapshot [2021-12-28 04:27:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:27:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:27:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_merge [2021-12-28 04:27:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_merge [2021-12-28 04:27:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure read_exception [2021-12-28 04:27:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exception [2021-12-28 04:27:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_unregister [2021-12-28 04:27:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_unregister [2021-12-28 04:27:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:27:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure get_type [2021-12-28 04:27:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure get_type [2021-12-28 04:27:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_register [2021-12-28 04:27:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_register [2021-12-28 04:27:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_ctr [2021-12-28 04:27:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_ctr [2021-12-28 04:27:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_read_metadata [2021-12-28 04:27:09,426 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_read_metadata [2021-12-28 04:27:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-28 04:27:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-28 04:27:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:27:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:27:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_set_chunk_size [2021-12-28 04:27:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_set_chunk_size [2021-12-28 04:27:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_inc [2021-12-28 04:27:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_inc [2021-12-28 04:27:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure __find_snapshots_sharing_cow [2021-12-28 04:27:09,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_snapshots_sharing_cow [2021-12-28 04:27:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:27:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:27:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure dm_remove_exception [2021-12-28 04:27:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_remove_exception [2021-12-28 04:27:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_end_io [2021-12-28 04:27:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_end_io [2021-12-28 04:27:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure dm_chunk_number [2021-12-28 04:27:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_chunk_number [2021-12-28 04:27:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-12-28 04:27:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-12-28 04:27:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure skip_metadata [2021-12-28 04:27:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure skip_metadata [2021-12-28 04:27:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:27:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure zero_disk_area [2021-12-28 04:27:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_disk_area [2021-12-28 04:27:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure origin_map [2021-12-28 04:27:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_map [2021-12-28 04:27:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-12-28 04:27:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:27:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:27:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-28 04:27:09,433 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-28 04:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_exception [2021-12-28 04:27:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_exception [2021-12-28 04:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure origin_status [2021-12-28 04:27:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_status [2021-12-28 04:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 04:27:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 04:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2021-12-28 04:27:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2021-12-28 04:27:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-28 04:27:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-28 04:27:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 04:27:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 04:27:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_resume [2021-12-28 04:27:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_resume [2021-12-28 04:27:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:27:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure __check_for_conflicting_io [2021-12-28 04:27:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __check_for_conflicting_io [2021-12-28 04:27:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure origin_hash [2021-12-28 04:27:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_hash [2021-12-28 04:27:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure __find_exception_store_type [2021-12-28 04:27:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_exception_store_type [2021-12-28 04:27:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-28 04:27:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-28 04:27:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:27:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:27:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure area_io [2021-12-28 04:27:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure area_io [2021-12-28 04:27:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-28 04:27:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-28 04:27:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_completed_exception [2021-12-28 04:27:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_completed_exception [2021-12-28 04:27:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:27:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:27:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-28 04:27:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-28 04:27:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure exception_hash [2021-12-28 04:27:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure exception_hash [2021-12-28 04:27:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 04:27:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 04:27:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_io [2021-12-28 04:27:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_io [2021-12-28 04:27:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure _get_exception_store_type [2021-12-28 04:27:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_exception_store_type [2021-12-28 04:27:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure origin_merge [2021-12-28 04:27:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_merge [2021-12-28 04:27:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_create [2021-12-28 04:27:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_create [2021-12-28 04:27:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_snapshot [2021-12-28 04:27:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_snapshot [2021-12-28 04:27:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-12-28 04:27:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-12-28 04:27:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure pending_complete [2021-12-28 04:27:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_complete [2021-12-28 04:27:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-28 04:27:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-28 04:27:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:27:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:27:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:27:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:27:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure dm_lookup_exception [2021-12-28 04:27:09,440 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_lookup_exception [2021-12-28 04:27:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure transient_prepare_exception [2021-12-28 04:27:09,440 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_prepare_exception [2021-12-28 04:27:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure write_header [2021-12-28 04:27:09,440 INFO L138 BoogieDeclarations]: Found implementation of procedure write_header [2021-12-28 04:27:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure transient_commit_exception [2021-12-28 04:27:09,440 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_commit_exception [2021-12-28 04:27:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure zero_memory_area [2021-12-28 04:27:09,440 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_memory_area [2021-12-28 04:27:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:27:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure do_origin [2021-12-28 04:27:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure do_origin [2021-12-28 04:27:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-28 04:27:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-28 04:27:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_presuspend [2021-12-28 04:27:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_presuspend [2021-12-28 04:27:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:27:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:27:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure __origin_write [2021-12-28 04:27:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __origin_write [2021-12-28 04:27:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:27:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:27:10,371 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:27:10,376 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:27:10,636 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:27:17,331 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:27:17,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:27:17,352 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:27:17,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:27:17 BoogieIcfgContainer [2021-12-28 04:27:17,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:27:17,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:27:17,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:27:17,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:27:17,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:27:05" (1/3) ... [2021-12-28 04:27:17,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5168870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:27:17, skipping insertion in model container [2021-12-28 04:27:17,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:27:08" (2/3) ... [2021-12-28 04:27:17,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5168870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:27:17, skipping insertion in model container [2021-12-28 04:27:17,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:27:17" (3/3) ... [2021-12-28 04:27:17,366 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2021-12-28 04:27:17,370 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:27:17,371 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:27:17,414 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:27:17,419 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 [2021-12-28 04:27:17,420 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:27:17,471 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) [2021-12-28 04:27:17,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-28 04:27:17,485 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:27:17,486 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] [2021-12-28 04:27:17,487 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:27:17,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:27:17,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1243293602, now seen corresponding path program 1 times [2021-12-28 04:27:17,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:27:17,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896547310] [2021-12-28 04:27:17,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:27:17,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:27:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:27:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:27:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:27:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:27:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:27:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:27:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:27:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:27:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:27:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:27:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:27:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:27:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:27:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:27:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:27:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:27:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-28 04:27:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-28 04:27:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-28 04:27:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-28 04:27:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-28 04:27:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-28 04:27:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-28 04:27:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-28 04:27:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-28 04:27:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-28 04:27:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-28 04:27:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-28 04:27:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-28 04:27:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-28 04:27:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-28 04:27:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-28 04:27:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-28 04:27:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-28 04:27:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:18,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-12-28 04:27:18,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:27:18,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896547310] [2021-12-28 04:27:18,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896547310] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:27:18,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:27:18,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:27:18,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436639359] [2021-12-28 04:27:18,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:27:18,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:27:18,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:27:18,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:27:18,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:27:18,970 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) [2021-12-28 04:27:23,009 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 [] [2021-12-28 04:27:24,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 04:27:30,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:27:32,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:27:32,931 INFO L93 Difference]: Finished difference Result 5927 states and 8795 transitions. [2021-12-28 04:27:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:27:32,933 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 [2021-12-28 04:27:32,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:27:32,974 INFO L225 Difference]: With dead ends: 5927 [2021-12-28 04:27:32,975 INFO L226 Difference]: Without dead ends: 3076 [2021-12-28 04:27:32,995 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 [2021-12-28 04:27:33,000 INFO L933 BasicCegarLoop]: 3704 mSDtfsCounter, 1600 mSDsluCounter, 4899 mSDsCounter, 0 mSdLazyCounter, 3082 mSolverCounterSat, 1982 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 8603 SdHoareTripleChecker+Invalid, 5066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1982 IncrementalHoareTripleChecker+Valid, 3082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:27:33,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1642 Valid, 8603 Invalid, 5066 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1982 Valid, 3082 Invalid, 2 Unknown, 0 Unchecked, 13.5s Time] [2021-12-28 04:27:33,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2021-12-28 04:27:33,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 2796. [2021-12-28 04:27:33,245 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) [2021-12-28 04:27:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3969 transitions. [2021-12-28 04:27:33,267 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3969 transitions. Word has length 473 [2021-12-28 04:27:33,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:27:33,269 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 3969 transitions. [2021-12-28 04:27:33,269 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) [2021-12-28 04:27:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3969 transitions. [2021-12-28 04:27:33,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-28 04:27:33,280 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:27:33,280 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] [2021-12-28 04:27:33,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:27:33,281 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:27:33,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:27:33,282 INFO L85 PathProgramCache]: Analyzing trace with hash -289965182, now seen corresponding path program 1 times [2021-12-28 04:27:33,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:27:33,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728346853] [2021-12-28 04:27:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:27:33,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:27:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:27:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:27:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:27:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:27:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:27:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:27:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:27:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:27:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:27:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:27:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:27:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:27:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:27:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:27:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:27:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:27:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-28 04:27:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-28 04:27:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-28 04:27:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:33,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-28 04:27:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-28 04:27:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-28 04:27:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-28 04:27:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-28 04:27:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-28 04:27:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-28 04:27:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-28 04:27:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-28 04:27:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-28 04:27:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-28 04:27:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-28 04:27:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-28 04:27:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-28 04:27:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-28 04:27:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-12-28 04:27:34,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:27:34,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728346853] [2021-12-28 04:27:34,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728346853] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:27:34,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:27:34,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:27:34,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762226445] [2021-12-28 04:27:34,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:27:34,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:27:34,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:27:34,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:27:34,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:27:34,293 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) [2021-12-28 04:27:37,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 04:27:42,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:27:49,636 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 [] [2021-12-28 04:27:51,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:27:51,795 INFO L93 Difference]: Finished difference Result 8694 states and 12548 transitions. [2021-12-28 04:27:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 04:27:51,795 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 [2021-12-28 04:27:51,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:27:51,836 INFO L225 Difference]: With dead ends: 8694 [2021-12-28 04:27:51,836 INFO L226 Difference]: Without dead ends: 5969 [2021-12-28 04:27:51,850 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 [2021-12-28 04:27:51,852 INFO L933 BasicCegarLoop]: 4217 mSDtfsCounter, 6446 mSDsluCounter, 7945 mSDsCounter, 0 mSdLazyCounter, 6067 mSolverCounterSat, 4318 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6855 SdHoareTripleChecker+Valid, 12162 SdHoareTripleChecker+Invalid, 10388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4318 IncrementalHoareTripleChecker+Valid, 6067 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:27:51,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6855 Valid, 12162 Invalid, 10388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4318 Valid, 6067 Invalid, 3 Unknown, 0 Unchecked, 16.9s Time] [2021-12-28 04:27:51,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5969 states. [2021-12-28 04:27:52,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5969 to 5402. [2021-12-28 04:27:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5402 states, 3605 states have (on average 1.31622746185853) internal successors, (4745), 3713 states have internal predecessors, (4745), 1451 states have call successors, (1451), 347 states have call predecessors, (1451), 345 states have return successors, (1449), 1403 states have call predecessors, (1449), 1449 states have call successors, (1449) [2021-12-28 04:27:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 7645 transitions. [2021-12-28 04:27:52,110 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 7645 transitions. Word has length 473 [2021-12-28 04:27:52,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:27:52,114 INFO L470 AbstractCegarLoop]: Abstraction has 5402 states and 7645 transitions. [2021-12-28 04:27:52,116 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) [2021-12-28 04:27:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 7645 transitions. [2021-12-28 04:27:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-12-28 04:27:52,125 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:27:52,126 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] [2021-12-28 04:27:52,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:27:52,126 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:27:52,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:27:52,127 INFO L85 PathProgramCache]: Analyzing trace with hash -2027837579, now seen corresponding path program 1 times [2021-12-28 04:27:52,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:27:52,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520595590] [2021-12-28 04:27:52,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:27:52,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:27:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:27:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:27:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:27:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:27:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:27:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:27:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:27:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:27:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:27:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:27:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:27:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:27:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:27:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:27:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:27:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:27:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:27:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-28 04:27:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-28 04:27:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-28 04:27:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-28 04:27:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-28 04:27:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-28 04:27:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-28 04:27:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-28 04:27:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-28 04:27:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-28 04:27:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-28 04:27:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-28 04:27:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-28 04:27:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-28 04:27:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-28 04:27:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-28 04:27:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-28 04:27:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-28 04:27:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:52,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-12-28 04:27:52,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:27:52,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520595590] [2021-12-28 04:27:52,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520595590] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:27:52,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:27:52,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:27:52,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627930919] [2021-12-28 04:27:52,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:27:52,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:27:52,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:27:52,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:27:52,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:27:52,881 INFO L87 Difference]: Start difference. First operand 5402 states and 7645 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) [2021-12-28 04:27:58,121 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 [] [2021-12-28 04:28:04,581 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 [] [2021-12-28 04:28:06,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:28:06,150 INFO L93 Difference]: Finished difference Result 16915 states and 24327 transitions. [2021-12-28 04:28:06,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 04:28:06,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (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 474 [2021-12-28 04:28:06,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:28:06,274 INFO L225 Difference]: With dead ends: 16915 [2021-12-28 04:28:06,274 INFO L226 Difference]: Without dead ends: 11584 [2021-12-28 04:28:06,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:28:06,291 INFO L933 BasicCegarLoop]: 4382 mSDtfsCounter, 8091 mSDsluCounter, 4643 mSDsCounter, 0 mSdLazyCounter, 3536 mSolverCounterSat, 6179 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8485 SdHoareTripleChecker+Valid, 9025 SdHoareTripleChecker+Invalid, 9717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6179 IncrementalHoareTripleChecker+Valid, 3536 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:28:06,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8485 Valid, 9025 Invalid, 9717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6179 Valid, 3536 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2021-12-28 04:28:06,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11584 states. [2021-12-28 04:28:06,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11584 to 10464. [2021-12-28 04:28:06,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10464 states, 6982 states have (on average 1.3136637066743053) internal successors, (9172), 7198 states have internal predecessors, (9172), 2795 states have call successors, (2795), 689 states have call predecessors, (2795), 686 states have return successors, (2793), 2700 states have call predecessors, (2793), 2793 states have call successors, (2793) [2021-12-28 04:28:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10464 states to 10464 states and 14760 transitions. [2021-12-28 04:28:06,700 INFO L78 Accepts]: Start accepts. Automaton has 10464 states and 14760 transitions. Word has length 474 [2021-12-28 04:28:06,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:28:06,714 INFO L470 AbstractCegarLoop]: Abstraction has 10464 states and 14760 transitions. [2021-12-28 04:28:06,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (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) [2021-12-28 04:28:06,715 INFO L276 IsEmpty]: Start isEmpty. Operand 10464 states and 14760 transitions. [2021-12-28 04:28:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-28 04:28:06,719 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:28:06,720 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, 1, 1, 1, 1, 1, 1] [2021-12-28 04:28:06,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:28:06,720 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:28:06,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:28:06,721 INFO L85 PathProgramCache]: Analyzing trace with hash 50028138, now seen corresponding path program 1 times [2021-12-28 04:28:06,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:28:06,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579099670] [2021-12-28 04:28:06,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:28:06,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:28:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:06,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:28:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:06,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:06,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:28:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:06,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:06,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:28:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:28:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:28:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:28:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:28:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:28:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:28:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:28:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:28:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:28:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:28:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:28:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:28:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:28:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:28:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-28 04:28:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-28 04:28:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-28 04:28:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-28 04:28:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-28 04:28:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-28 04:28:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-28 04:28:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-28 04:28:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-28 04:28:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-28 04:28:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-28 04:28:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-28 04:28:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-28 04:28:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-28 04:28:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-28 04:28:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-28 04:28:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-28 04:28:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-28 04:28:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:28:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:28:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-12-28 04:28:07,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:28:07,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579099670] [2021-12-28 04:28:07,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579099670] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:28:07,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:28:07,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:28:07,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966385612] [2021-12-28 04:28:07,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:28:07,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:28:07,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:28:07,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:28:07,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:28:07,501 INFO L87 Difference]: Start difference. First operand 10464 states and 14760 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 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)