./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-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-08_1a-drivers--staging--comedi--comedi.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 6d4e5094b8691bf8ddb6de069465752431e6b9b12d5c52f2774c587904571808 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:27:59,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:27:59,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:27:59,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:27:59,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:27:59,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:27:59,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:27:59,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:27:59,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:27:59,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:27:59,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:27:59,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:27:59,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:27:59,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:27:59,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:27:59,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:27:59,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:27:59,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:27:59,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:27:59,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:27:59,794 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:27:59,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:27:59,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:27:59,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:27:59,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:27:59,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:27:59,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:27:59,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:27:59,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:27:59,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:27:59,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:27:59,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:27:59,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:27:59,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:27:59,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:27:59,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:27:59,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:27:59,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:27:59,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:27:59,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:27:59,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:27:59,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:27:59,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:27:59,851 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:27:59,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:27:59,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:27:59,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:27:59,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:27:59,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:27:59,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:27:59,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:27:59,853 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:27:59,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:27:59,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:27:59,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:27:59,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:27:59,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:27:59,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:27:59,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:27:59,855 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:27:59,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:27:59,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:27:59,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:27:59,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:27:59,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:27:59,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:27:59,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:27:59,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:27:59,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:27:59,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:27:59,857 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:27:59,857 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:27:59,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:27:59,858 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d4e5094b8691bf8ddb6de069465752431e6b9b12d5c52f2774c587904571808 [2022-07-12 13:28:00,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:28:00,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:28:00,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:28:00,109 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:28:00,109 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:28:00,110 INFO L432 ainManager$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-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i [2022-07-12 13:28:00,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311333720/736dea123e4c43ef83ac8d0d4186825b/FLAGf32e0ef61 [2022-07-12 13:28:01,069 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:28:01,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i [2022-07-12 13:28:01,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311333720/736dea123e4c43ef83ac8d0d4186825b/FLAGf32e0ef61 [2022-07-12 13:28:01,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311333720/736dea123e4c43ef83ac8d0d4186825b [2022-07-12 13:28:01,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:28:01,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:28:01,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:28:01,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:28:01,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:28:01,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:28:01" (1/1) ... [2022-07-12 13:28:01,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47833da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:01, skipping insertion in model container [2022-07-12 13:28:01,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:28:01" (1/1) ... [2022-07-12 13:28:01,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:28:01,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:28:04,413 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-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i[758273,758286] [2022-07-12 13:28:04,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:28:04,535 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:28:05,046 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-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i[758273,758286] [2022-07-12 13:28:05,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:28:05,183 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:28:05,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05 WrapperNode [2022-07-12 13:28:05,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:28:05,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:28:05,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:28:05,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:28:05,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05" (1/1) ... [2022-07-12 13:28:05,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05" (1/1) ... [2022-07-12 13:28:05,694 INFO L137 Inliner]: procedures = 380, calls = 4949, calls flagged for inlining = 155, calls inlined = 147, statements flattened = 9404 [2022-07-12 13:28:05,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:28:05,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:28:05,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:28:05,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:28:05,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05" (1/1) ... [2022-07-12 13:28:05,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05" (1/1) ... [2022-07-12 13:28:05,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05" (1/1) ... [2022-07-12 13:28:05,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05" (1/1) ... [2022-07-12 13:28:06,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05" (1/1) ... [2022-07-12 13:28:06,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05" (1/1) ... [2022-07-12 13:28:06,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05" (1/1) ... [2022-07-12 13:28:06,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:28:06,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:28:06,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:28:06,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:28:06,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05" (1/1) ... [2022-07-12 13:28:06,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:28:06,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:28:06,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 13:28:06,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 13:28:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure __comedi_buf_free [2022-07-12 13:28:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __comedi_buf_free [2022-07-12 13:28:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_mmap [2022-07-12 13:28:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_mmap [2022-07-12 13:28:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2022-07-12 13:28:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2022-07-12 13:28:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-12 13:28:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-12 13:28:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-12 13:28:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-12 13:28:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_compat_ioctl [2022-07-12 13:28:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_compat_ioctl [2022-07-12 13:28:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-07-12 13:28:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-07-12 13:28:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_read___0 [2022-07-12 13:28:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_read___0 [2022-07-12 13:28:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 13:28:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_file_write_subdevice [2022-07-12 13:28:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_file_write_subdevice [2022-07-12 13:28:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-07-12 13:28:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-07-12 13:28:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:28:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:28:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:28:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:28:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_is_subdevice_running [2022-07-12 13:28:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_is_subdevice_running [2022-07-12 13:28:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:28:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:28:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_read_alloc [2022-07-12 13:28:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_read_alloc [2022-07-12 13:28:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_n_bytes_ready [2022-07-12 13:28:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_n_bytes_ready [2022-07-12 13:28:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure compat_chaninfo [2022-07-12 13:28:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_chaninfo [2022-07-12 13:28:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_device_cleanup [2022-07-12 13:28:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_device_cleanup [2022-07-12 13:28:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_write_subdevice [2022-07-12 13:28:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_write_subdevice [2022-07-12 13:28:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure max_write_buffer_kb_show [2022-07-12 13:28:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure max_write_buffer_kb_show [2022-07-12 13:28:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure put_compat_cmd [2022-07-12 13:28:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure put_compat_cmd [2022-07-12 13:28:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-07-12 13:28:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-07-12 13:28:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_bytes_to_samples [2022-07-12 13:28:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_bytes_to_samples [2022-07-12 13:28:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 13:28:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 13:28:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:28:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:28:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-12 13:28:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-12 13:28:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_read_subdevice [2022-07-12 13:28:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_read_subdevice [2022-07-12 13:28:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure __comedi_clear_subdevice_runflags [2022-07-12 13:28:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __comedi_clear_subdevice_runflags [2022-07-12 13:28:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_read_free [2022-07-12 13:28:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_read_free [2022-07-12 13:28:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_vm_open [2022-07-12 13:28:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_vm_open [2022-07-12 13:28:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub___0 [2022-07-12 13:28:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub___0 [2022-07-12 13:28:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:28:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:28:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:28:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:28:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:28:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:28:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_file_check [2022-07-12 13:28:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_file_check [2022-07-12 13:28:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2022-07-12 13:28:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2022-07-12 13:28:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure compat_rangeinfo [2022-07-12 13:28:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_rangeinfo [2022-07-12 13:28:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure compat_insn [2022-07-12 13:28:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_insn [2022-07-12 13:28:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure compat_insnlist [2022-07-12 13:28:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_insnlist [2022-07-12 13:28:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_write_alloc [2022-07-12 13:28:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_write_alloc [2022-07-12 13:28:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-12 13:28:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure __comedi_get_user_chanlist [2022-07-12 13:28:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __comedi_get_user_chanlist [2022-07-12 13:28:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_fasync [2022-07-12 13:28:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_fasync [2022-07-12 13:28:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_bytes_per_scan [2022-07-12 13:28:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_bytes_per_scan [2022-07-12 13:28:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:28:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:28:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-12 13:28:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-12 13:28:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:28:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:28:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_alloc_board_minor [2022-07-12 13:28:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_alloc_board_minor [2022-07-12 13:28:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_dev_get_from_minor [2022-07-12 13:28:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_dev_get_from_minor [2022-07-12 13:28:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_is_runflags_in_error [2022-07-12 13:28:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_is_runflags_in_error [2022-07-12 13:28:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 13:28:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 13:28:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_poll [2022-07-12 13:28:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_poll [2022-07-12 13:28:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_read_n_available [2022-07-12 13:28:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_read_n_available [2022-07-12 13:28:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 13:28:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 13:28:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-07-12 13:28:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-07-12 13:28:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 13:28:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 13:28:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure get_compat_cmd [2022-07-12 13:28:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure get_compat_cmd [2022-07-12 13:28:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:28:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_dev_put [2022-07-12 13:28:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_dev_put [2022-07-12 13:28:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-12 13:28:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-12 13:28:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:28:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 13:28:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 13:28:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_write_n_available [2022-07-12 13:28:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_write_n_available [2022-07-12 13:28:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure __comedi_get_subdevice_runflags [2022-07-12 13:28:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __comedi_get_subdevice_runflags [2022-07-12 13:28:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-12 13:28:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 13:28:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 13:28:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_alloc [2022-07-12 13:28:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_alloc [2022-07-12 13:28:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-07-12 13:28:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-07-12 13:28:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 13:28:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 13:28:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_device_detach [2022-07-12 13:28:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_device_detach [2022-07-12 13:28:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_check_chanlist [2022-07-12 13:28:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_check_chanlist [2022-07-12 13:28:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_file_read_subdevice [2022-07-12 13:28:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_file_read_subdevice [2022-07-12 13:28:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_set_hw_dev [2022-07-12 13:28:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_set_hw_dev [2022-07-12 13:28:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-12 13:28:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-12 13:28:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:28:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:28:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_file_reset [2022-07-12 13:28:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_file_reset [2022-07-12 13:28:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_update_subdevice_runflags [2022-07-12 13:28:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_update_subdevice_runflags [2022-07-12 13:28:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_write [2022-07-12 13:28:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_write [2022-07-12 13:28:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-12 13:28:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-12 13:28:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-07-12 13:28:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-07-12 13:28:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_dev_get [2022-07-12 13:28:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_dev_get [2022-07-12 13:28:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure read_buffer_kb_store [2022-07-12 13:28:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure read_buffer_kb_store [2022-07-12 13:28:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-12 13:28:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-12 13:28:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-12 13:28:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-12 13:28:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_device_detach_cleanup [2022-07-12 13:28:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_device_detach_cleanup [2022-07-12 13:28:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-07-12 13:28:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-07-12 13:28:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 13:28:06,551 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 13:28:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_proc_open [2022-07-12 13:28:06,551 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_proc_open [2022-07-12 13:28:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2022-07-12 13:28:06,551 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2022-07-12 13:28:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 13:28:06,552 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 13:28:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 13:28:06,552 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 13:28:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-07-12 13:28:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-07-12 13:28:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 13:28:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 13:28:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 13:28:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_is_mmapped [2022-07-12 13:28:06,553 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_is_mmapped [2022-07-12 13:28:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put___0 [2022-07-12 13:28:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put___0 [2022-07-12 13:28:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_device_postconfig [2022-07-12 13:28:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_device_postconfig [2022-07-12 13:28:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure max_read_buffer_kb_show [2022-07-12 13:28:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure max_read_buffer_kb_show [2022-07-12 13:28:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure __comedi_get_user_cmd [2022-07-12 13:28:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __comedi_get_user_cmd [2022-07-12 13:28:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 13:28:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 13:28:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_free_board_dev [2022-07-12 13:28:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_free_board_dev [2022-07-12 13:28:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_write_free [2022-07-12 13:28:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_write_free [2022-07-12 13:28:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 13:28:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-07-12 13:28:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-07-12 13:28:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 13:28:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-12 13:28:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-12 13:28:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_cleanup_board_minors [2022-07-12 13:28:06,556 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_cleanup_board_minors [2022-07-12 13:28:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 13:28:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 13:28:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:28:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:28:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-07-12 13:28:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-07-12 13:28:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_samples_to_bytes [2022-07-12 13:28:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_samples_to_bytes [2022-07-12 13:28:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_vm_close [2022-07-12 13:28:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_vm_close [2022-07-12 13:28:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure write_buffer_kb_show [2022-07-12 13:28:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure write_buffer_kb_show [2022-07-12 13:28:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure compat_cmd [2022-07-12 13:28:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_cmd [2022-07-12 13:28:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:28:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:28:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-12 13:28:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-12 13:28:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-12 13:28:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_is_runflags_running [2022-07-12 13:28:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_is_runflags_running [2022-07-12 13:28:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 13:28:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 13:28:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 13:28:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_handle_events [2022-07-12 13:28:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_handle_events [2022-07-12 13:28:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-07-12 13:28:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-07-12 13:28:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure write_buffer_kb_store [2022-07-12 13:28:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure write_buffer_kb_store [2022-07-12 13:28:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-12 13:28:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-12 13:28:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:28:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:28:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_subdevice_from_minor [2022-07-12 13:28:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_subdevice_from_minor [2022-07-12 13:28:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure compat_cmdtest [2022-07-12 13:28:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_cmdtest [2022-07-12 13:28:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure read_buffer_kb_show [2022-07-12 13:28:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure read_buffer_kb_show [2022-07-12 13:28:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:28:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:28:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-12 13:28:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-12 13:28:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:28:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_device_cancel_all [2022-07-12 13:28:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_device_cancel_all [2022-07-12 13:28:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure insn_rw_emulate_bits [2022-07-12 13:28:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure insn_rw_emulate_bits [2022-07-12 13:28:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:28:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:28:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_inc_scan_progress [2022-07-12 13:28:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_inc_scan_progress [2022-07-12 13:28:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:28:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:28:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-12 13:28:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-12 13:28:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 13:28:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 13:28:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:28:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_write_n_allocated [2022-07-12 13:28:06,570 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_write_n_allocated [2022-07-12 13:28:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_close [2022-07-12 13:28:06,570 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_close [2022-07-12 13:28:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure __comedi_set_subdevice_runflags [2022-07-12 13:28:06,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __comedi_set_subdevice_runflags [2022-07-12 13:28:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:28:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_open [2022-07-12 13:28:06,571 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_open [2022-07-12 13:28:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 13:28:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_map_get [2022-07-12 13:28:06,571 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_map_get [2022-07-12 13:28:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:28:06,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 13:28:06,571 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_is_subdevice_idle [2022-07-12 13:28:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_is_subdevice_idle [2022-07-12 13:28:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-07-12 13:28:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-07-12 13:28:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-12 13:28:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-12 13:28:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 13:28:06,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 13:28:06,572 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 13:28:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 13:28:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure translated_ioctl [2022-07-12 13:28:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure translated_ioctl [2022-07-12 13:28:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 13:28:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 13:28:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-07-12 13:28:06,573 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-07-12 13:28:06,573 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-07-12 13:28:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-07-12 13:28:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_release_hardware_device [2022-07-12 13:28:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_release_hardware_device [2022-07-12 13:28:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_reset [2022-07-12 13:28:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_reset [2022-07-12 13:28:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure resize_async_buffer [2022-07-12 13:28:06,574 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_async_buffer [2022-07-12 13:28:06,574 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 13:28:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 13:28:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_map_put [2022-07-12 13:28:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_map_put [2022-07-12 13:28:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure parse_insn [2022-07-12 13:28:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_insn [2022-07-12 13:28:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_bytes_per_sample [2022-07-12 13:28:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_bytes_per_sample [2022-07-12 13:28:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_sample_shift [2022-07-12 13:28:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_sample_shift [2022-07-12 13:28:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_get_subdevice_runflags [2022-07-12 13:28:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_get_subdevice_runflags [2022-07-12 13:28:06,576 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-12 13:28:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-12 13:28:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure __comedi_request_region [2022-07-12 13:28:06,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __comedi_request_region [2022-07-12 13:28:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_driver_unregister [2022-07-12 13:28:06,577 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_driver_unregister [2022-07-12 13:28:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:28:06,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 13:28:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-07-12 13:28:06,578 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-07-12 13:28:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_auto_unconfig [2022-07-12 13:28:06,578 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_auto_unconfig [2022-07-12 13:28:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure do_become_nonbusy [2022-07-12 13:28:06,578 INFO L138 BoogieDeclarations]: Found implementation of procedure do_become_nonbusy [2022-07-12 13:28:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure max_read_buffer_kb_store [2022-07-12 13:28:06,578 INFO L138 BoogieDeclarations]: Found implementation of procedure max_read_buffer_kb_store [2022-07-12 13:28:06,578 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_unlocked_ioctl [2022-07-12 13:28:06,579 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_unlocked_ioctl [2022-07-12 13:28:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_nscans_left [2022-07-12 13:28:06,579 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_nscans_left [2022-07-12 13:28:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_set_spriv_auto_free [2022-07-12 13:28:06,579 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_set_spriv_auto_free [2022-07-12 13:28:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel [2022-07-12 13:28:06,579 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel [2022-07-12 13:28:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure get_compat_insn [2022-07-12 13:28:06,580 INFO L138 BoogieDeclarations]: Found implementation of procedure get_compat_insn [2022-07-12 13:28:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 13:28:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure max_write_buffer_kb_store [2022-07-12 13:28:06,580 INFO L138 BoogieDeclarations]: Found implementation of procedure max_write_buffer_kb_store [2022-07-12 13:28:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2022-07-12 13:28:06,580 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2022-07-12 13:28:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:28:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:28:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 13:28:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 13:28:07,947 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:28:07,950 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:28:08,771 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:28:21,037 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:28:21,069 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:28:21,069 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:28:21,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:28:21 BoogieIcfgContainer [2022-07-12 13:28:21,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:28:21,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:28:21,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:28:21,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:28:21,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:28:01" (1/3) ... [2022-07-12 13:28:21,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9b85b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:28:21, skipping insertion in model container [2022-07-12 13:28:21,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:28:05" (2/3) ... [2022-07-12 13:28:21,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9b85b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:28:21, skipping insertion in model container [2022-07-12 13:28:21,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:28:21" (3/3) ... [2022-07-12 13:28:21,088 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i [2022-07-12 13:28:21,102 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:28:21,103 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:28:21,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:28:21,250 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3a7afdd9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@10c1629c [2022-07-12 13:28:21,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:28:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 4395 states, 3457 states have (on average 1.519814868382991) internal successors, (5254), 3501 states have internal predecessors, (5254), 771 states have call successors, (771), 166 states have call predecessors, (771), 165 states have return successors, (762), 757 states have call predecessors, (762), 762 states have call successors, (762) [2022-07-12 13:28:21,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-07-12 13:28:21,308 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:28:21,309 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:28:21,310 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:28:21,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:28:21,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1537745736, now seen corresponding path program 1 times [2022-07-12 13:28:21,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:28:21,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849329265] [2022-07-12 13:28:21,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:28:21,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:28:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:28:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:28:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:28:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:28:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:28:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:28:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:28:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:28:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:28:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:28:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:28:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 13:28:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 13:28:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:22,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 13:28:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:28:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 13:28:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 13:28:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 13:28:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 13:28:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-12 13:28:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-12 13:28:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 13:28:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 13:28:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 13:28:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 13:28:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 13:28:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 13:28:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 13:28:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2022-07-12 13:28:23,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:28:23,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849329265] [2022-07-12 13:28:23,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849329265] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:28:23,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:28:23,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:28:23,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472765762] [2022-07-12 13:28:23,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:28:23,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:28:23,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:28:23,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:28:23,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:28:23,455 INFO L87 Difference]: Start difference. First operand has 4395 states, 3457 states have (on average 1.519814868382991) internal successors, (5254), 3501 states have internal predecessors, (5254), 771 states have call successors, (771), 166 states have call predecessors, (771), 165 states have return successors, (762), 757 states have call predecessors, (762), 762 states have call successors, (762) 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, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-12 13:28:29,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:31,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:32,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:34,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:38,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:46,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:48,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:50,169 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 [] [2022-07-12 13:28:53,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:28:53,261 INFO L93 Difference]: Finished difference Result 9669 states and 15248 transitions. [2022-07-12 13:28:53,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 13:28:53,265 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, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 400 [2022-07-12 13:28:53,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:28:53,329 INFO L225 Difference]: With dead ends: 9669 [2022-07-12 13:28:53,329 INFO L226 Difference]: Without dead ends: 5250 [2022-07-12 13:28:53,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:28:53,363 INFO L413 NwaCegarLoop]: 6246 mSDtfsCounter, 4472 mSDsluCounter, 8822 mSDsCounter, 0 mSdLazyCounter, 4446 mSolverCounterSat, 2243 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4612 SdHoareTripleChecker+Valid, 15068 SdHoareTripleChecker+Invalid, 6695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2243 IncrementalHoareTripleChecker+Valid, 4446 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:28:53,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4612 Valid, 15068 Invalid, 6695 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2243 Valid, 4446 Invalid, 6 Unknown, 0 Unchecked, 29.1s Time] [2022-07-12 13:28:53,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5250 states. [2022-07-12 13:28:53,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5250 to 4371. [2022-07-12 13:28:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4371 states, 3444 states have (on average 1.4997096399535423) internal successors, (5165), 3477 states have internal predecessors, (5165), 762 states have call successors, (762), 165 states have call predecessors, (762), 164 states have return successors, (760), 755 states have call predecessors, (760), 760 states have call successors, (760) [2022-07-12 13:28:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4371 states to 4371 states and 6687 transitions. [2022-07-12 13:28:53,709 INFO L78 Accepts]: Start accepts. Automaton has 4371 states and 6687 transitions. Word has length 400 [2022-07-12 13:28:53,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:28:53,711 INFO L495 AbstractCegarLoop]: Abstraction has 4371 states and 6687 transitions. [2022-07-12 13:28:53,711 INFO L496 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, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-12 13:28:53,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4371 states and 6687 transitions. [2022-07-12 13:28:53,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-07-12 13:28:53,723 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:28:53,724 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:28:53,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 13:28:53,725 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:28:53,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:28:53,725 INFO L85 PathProgramCache]: Analyzing trace with hash 761748180, now seen corresponding path program 1 times [2022-07-12 13:28:53,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:28:53,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714099026] [2022-07-12 13:28:53,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:28:53,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:28:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:28:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:28:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:28:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:28:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:28:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:28:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:28:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:28:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:28:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:28:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:28:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 13:28:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 13:28:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 13:28:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:28:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 13:28:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 13:28:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 13:28:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 13:28:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:54,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-12 13:28:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-12 13:28:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 13:28:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 13:28:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 13:28:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 13:28:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 13:28:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 13:28:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 13:28:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:55,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2022-07-12 13:28:55,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:28:55,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714099026] [2022-07-12 13:28:55,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714099026] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:28:55,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:28:55,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:28:55,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411106730] [2022-07-12 13:28:55,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:28:55,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:28:55,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:28:55,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:28:55,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:28:55,318 INFO L87 Difference]: Start difference. First operand 4371 states and 6687 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-12 13:29:01,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:03,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:05,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:09,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:17,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:20,027 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 [] [2022-07-12 13:29:23,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:29:23,017 INFO L93 Difference]: Finished difference Result 9562 states and 14714 transitions. [2022-07-12 13:29:23,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 13:29:23,020 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), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 400 [2022-07-12 13:29:23,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:29:23,053 INFO L225 Difference]: With dead ends: 9562 [2022-07-12 13:29:23,054 INFO L226 Difference]: Without dead ends: 5250 [2022-07-12 13:29:23,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:29:23,073 INFO L413 NwaCegarLoop]: 6116 mSDtfsCounter, 10792 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 4515 mSolverCounterSat, 3248 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11203 SdHoareTripleChecker+Valid, 14891 SdHoareTripleChecker+Invalid, 7768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3248 IncrementalHoareTripleChecker+Valid, 4515 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:29:23,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11203 Valid, 14891 Invalid, 7768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3248 Valid, 4515 Invalid, 5 Unknown, 0 Unchecked, 27.2s Time] [2022-07-12 13:29:23,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5250 states. [2022-07-12 13:29:23,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5250 to 4371. [2022-07-12 13:29:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4371 states, 3444 states have (on average 1.4994192799070847) internal successors, (5164), 3477 states have internal predecessors, (5164), 762 states have call successors, (762), 165 states have call predecessors, (762), 164 states have return successors, (760), 755 states have call predecessors, (760), 760 states have call successors, (760) [2022-07-12 13:29:23,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4371 states to 4371 states and 6686 transitions. [2022-07-12 13:29:23,290 INFO L78 Accepts]: Start accepts. Automaton has 4371 states and 6686 transitions. Word has length 400 [2022-07-12 13:29:23,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:29:23,294 INFO L495 AbstractCegarLoop]: Abstraction has 4371 states and 6686 transitions. [2022-07-12 13:29:23,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-12 13:29:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 4371 states and 6686 transitions. [2022-07-12 13:29:23,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-12 13:29:23,303 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:29:23,304 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:29:23,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 13:29:23,304 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:29:23,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:29:23,305 INFO L85 PathProgramCache]: Analyzing trace with hash 559397337, now seen corresponding path program 1 times [2022-07-12 13:29:23,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:29:23,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856284719] [2022-07-12 13:29:23,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:29:23,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:29:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:29:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:29:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:29:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:29:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:29:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:29:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:29:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:29:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:29:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:29:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:29:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 13:29:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 13:29:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 13:29:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:29:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 13:29:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 13:29:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 13:29:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 13:29:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-12 13:29:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-12 13:29:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 13:29:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 13:29:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 13:29:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 13:29:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 13:29:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 13:29:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 13:29:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2022-07-12 13:29:24,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:29:24,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856284719] [2022-07-12 13:29:24,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856284719] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:29:24,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:29:24,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:29:24,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678532465] [2022-07-12 13:29:24,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:29:24,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:29:24,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:29:24,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:29:24,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:29:24,640 INFO L87 Difference]: Start difference. First operand 4371 states and 6686 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-12 13:29:29,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:31,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:35,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:36,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:44,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:52,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:29:52,485 INFO L93 Difference]: Finished difference Result 14751 states and 23023 transitions. [2022-07-12 13:29:52,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:29:52,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 402 [2022-07-12 13:29:52,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:29:52,558 INFO L225 Difference]: With dead ends: 14751 [2022-07-12 13:29:52,559 INFO L226 Difference]: Without dead ends: 10417 [2022-07-12 13:29:52,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:29:52,585 INFO L413 NwaCegarLoop]: 6804 mSDtfsCounter, 15097 mSDsluCounter, 11620 mSDsCounter, 0 mSdLazyCounter, 7588 mSolverCounterSat, 5445 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15566 SdHoareTripleChecker+Valid, 18424 SdHoareTripleChecker+Invalid, 13036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5445 IncrementalHoareTripleChecker+Valid, 7588 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:29:52,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15566 Valid, 18424 Invalid, 13036 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5445 Valid, 7588 Invalid, 3 Unknown, 0 Unchecked, 27.2s Time] [2022-07-12 13:29:52,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10417 states. [2022-07-12 13:29:52,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10417 to 9127. [2022-07-12 13:29:53,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9127 states, 7197 states have (on average 1.4932610810059748) internal successors, (10747), 7265 states have internal predecessors, (10747), 1547 states have call successors, (1547), 329 states have call predecessors, (1547), 382 states have return successors, (1814), 1586 states have call predecessors, (1814), 1545 states have call successors, (1814) [2022-07-12 13:29:53,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9127 states to 9127 states and 14108 transitions. [2022-07-12 13:29:53,056 INFO L78 Accepts]: Start accepts. Automaton has 9127 states and 14108 transitions. Word has length 402 [2022-07-12 13:29:53,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:29:53,060 INFO L495 AbstractCegarLoop]: Abstraction has 9127 states and 14108 transitions. [2022-07-12 13:29:53,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-12 13:29:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 9127 states and 14108 transitions. [2022-07-12 13:29:53,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-07-12 13:29:53,070 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:29:53,070 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:29:53,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 13:29:53,071 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:29:53,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:29:53,071 INFO L85 PathProgramCache]: Analyzing trace with hash 125087051, now seen corresponding path program 1 times [2022-07-12 13:29:53,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:29:53,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994009577] [2022-07-12 13:29:53,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:29:53,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:29:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:29:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:29:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:29:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:29:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:29:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:29:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:29:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:29:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:29:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:29:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:29:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 13:29:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:53,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 13:29:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 13:29:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:29:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:29:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 13:29:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 13:29:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 13:29:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 13:29:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-12 13:29:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-12 13:29:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 13:29:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 13:29:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 13:29:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 13:29:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 13:29:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 13:29:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 13:29:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:29:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-12 13:29:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:29:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2022-07-12 13:29:54,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:29:54,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994009577] [2022-07-12 13:29:54,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994009577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:29:54,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:29:54,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:29:54,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469840876] [2022-07-12 13:29:54,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:29:54,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:29:54,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:29:54,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:29:54,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:29:54,465 INFO L87 Difference]: Start difference. First operand 9127 states and 14108 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 13:30:01,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:02,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:04,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:06,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:07,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:09,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:12,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:23,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:25,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:28,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:30:28,729 INFO L93 Difference]: Finished difference Result 23376 states and 35803 transitions. [2022-07-12 13:30:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:30:28,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 415 [2022-07-12 13:30:28,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:30:28,805 INFO L225 Difference]: With dead ends: 23376 [2022-07-12 13:30:28,805 INFO L226 Difference]: Without dead ends: 14304 [2022-07-12 13:30:28,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:30:28,847 INFO L413 NwaCegarLoop]: 6916 mSDtfsCounter, 7578 mSDsluCounter, 11440 mSDsCounter, 0 mSdLazyCounter, 6752 mSolverCounterSat, 3599 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7894 SdHoareTripleChecker+Valid, 18356 SdHoareTripleChecker+Invalid, 10356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3599 IncrementalHoareTripleChecker+Valid, 6752 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2022-07-12 13:30:28,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7894 Valid, 18356 Invalid, 10356 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3599 Valid, 6752 Invalid, 5 Unknown, 0 Unchecked, 33.6s Time] [2022-07-12 13:30:28,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14304 states. [2022-07-12 13:30:29,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14304 to 12289. [2022-07-12 13:30:29,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12289 states, 9439 states have (on average 1.4534378641805277) internal successors, (13719), 9556 states have internal predecessors, (13719), 2207 states have call successors, (2207), 554 states have call predecessors, (2207), 642 states have return successors, (2608), 2263 states have call predecessors, (2608), 2205 states have call successors, (2608) [2022-07-12 13:30:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12289 states to 12289 states and 18534 transitions. [2022-07-12 13:30:29,374 INFO L78 Accepts]: Start accepts. Automaton has 12289 states and 18534 transitions. Word has length 415 [2022-07-12 13:30:29,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:30:29,375 INFO L495 AbstractCegarLoop]: Abstraction has 12289 states and 18534 transitions. [2022-07-12 13:30:29,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 13:30:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 12289 states and 18534 transitions. [2022-07-12 13:30:29,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-07-12 13:30:29,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:30:29,388 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:30:29,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 13:30:29,388 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:30:29,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:30:29,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1389842481, now seen corresponding path program 1 times [2022-07-12 13:30:29,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:30:29,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378050301] [2022-07-12 13:30:29,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:30:29,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:30:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:30:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:30:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:30:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:30:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:30:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:30:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:30:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:30:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:30:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:30:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:30:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 13:30:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 13:30:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 13:30:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:30:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 13:30:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 13:30:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 13:30:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 13:30:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-12 13:30:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-12 13:30:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 13:30:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 13:30:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 13:30:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 13:30:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 13:30:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 13:30:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 13:30:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 13:30:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-12 13:30:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:30:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:30:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-12 13:30:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 13:30:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:30:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2504 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2022-07-12 13:30:30,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:30:30,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378050301] [2022-07-12 13:30:30,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378050301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:30:30,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:30:30,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 13:30:30,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965346742] [2022-07-12 13:30:30,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:30:30,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 13:30:30,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:30:30,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 13:30:30,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:30:30,638 INFO L87 Difference]: Start difference. First operand 12289 states and 18534 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-12 13:30:36,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:40,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:43,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:45,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:47,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:49,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:50,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:30:54,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:31:02,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:31:11,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:31:11,355 INFO L93 Difference]: Finished difference Result 40683 states and 61765 transitions. [2022-07-12 13:31:11,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 13:31:11,356 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 474 [2022-07-12 13:31:11,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:31:11,484 INFO L225 Difference]: With dead ends: 40683 [2022-07-12 13:31:11,484 INFO L226 Difference]: Without dead ends: 28430 [2022-07-12 13:31:11,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-12 13:31:11,525 INFO L413 NwaCegarLoop]: 7859 mSDtfsCounter, 18483 mSDsluCounter, 20851 mSDsCounter, 0 mSdLazyCounter, 13019 mSolverCounterSat, 7024 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19036 SdHoareTripleChecker+Valid, 28710 SdHoareTripleChecker+Invalid, 20049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7024 IncrementalHoareTripleChecker+Valid, 13019 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2022-07-12 13:31:11,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19036 Valid, 28710 Invalid, 20049 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7024 Valid, 13019 Invalid, 6 Unknown, 0 Unchecked, 39.6s Time] [2022-07-12 13:31:11,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28430 states. [2022-07-12 13:31:12,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28430 to 24317. [2022-07-12 13:31:12,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24317 states, 18715 states have (on average 1.4565321934277318) internal successors, (27259), 18949 states have internal predecessors, (27259), 4327 states have call successors, (4327), 1097 states have call predecessors, (4327), 1274 states have return successors, (5131), 4440 states have call predecessors, (5131), 4325 states have call successors, (5131) [2022-07-12 13:31:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24317 states to 24317 states and 36717 transitions. [2022-07-12 13:31:12,708 INFO L78 Accepts]: Start accepts. Automaton has 24317 states and 36717 transitions. Word has length 474 [2022-07-12 13:31:12,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:31:12,710 INFO L495 AbstractCegarLoop]: Abstraction has 24317 states and 36717 transitions. [2022-07-12 13:31:12,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-12 13:31:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 24317 states and 36717 transitions. [2022-07-12 13:31:12,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2022-07-12 13:31:12,716 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:31:12,717 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:31:12,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 13:31:12,717 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:31:12,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:31:12,718 INFO L85 PathProgramCache]: Analyzing trace with hash 443791436, now seen corresponding path program 1 times [2022-07-12 13:31:12,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:31:12,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196690130] [2022-07-12 13:31:12,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:31:12,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:31:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:31:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:31:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:31:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:31:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:31:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:31:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:31:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:31:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:31:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:31:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:31:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 13:31:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 13:31:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 13:31:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:31:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 13:31:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 13:31:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 13:31:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 13:31:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-12 13:31:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-12 13:31:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 13:31:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 13:31:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 13:31:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 13:31:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 13:31:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 13:31:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 13:31:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 13:31:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-12 13:31:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-12 13:31:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 13:31:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-12 13:31:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:31:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:31:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 13:31:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:31:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:31:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 13:31:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:31:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:31:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2099 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2099 trivial. 0 not checked. [2022-07-12 13:31:13,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:31:13,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196690130] [2022-07-12 13:31:13,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196690130] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:31:13,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:31:13,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 13:31:13,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685342904] [2022-07-12 13:31:13,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:31:13,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 13:31:13,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:31:13,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 13:31:13,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:31:13,884 INFO L87 Difference]: Start difference. First operand 24317 states and 36717 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 13:31:20,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:31:22,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:31:25,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:31:30,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:31:39,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:31:41,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:31:54,508 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 []