./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa --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 d298fcfbeb680c2e33b414d76b7ec7ff33b14c51df8a5be440e59b165e3c2df1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:46:15,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:46:15,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:46:15,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:46:15,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:46:15,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:46:15,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:46:15,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:46:15,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:46:15,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:46:15,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:46:15,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:46:15,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:46:15,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:46:15,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:46:15,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:46:15,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:46:15,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:46:15,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:46:15,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:46:15,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:46:15,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:46:15,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:46:15,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:46:15,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:46:15,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:46:15,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:46:15,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:46:15,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:46:15,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:46:15,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:46:15,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:46:15,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:46:15,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:46:15,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:46:15,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:46:15,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:46:15,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:46:15,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:46:15,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:46:15,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:46:15,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 20:46:15,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:46:15,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:46:15,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:46:15,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:46:15,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:46:15,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:46:15,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:46:15,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:46:15,892 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:46:15,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:46:15,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:46:15,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:46:15,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:46:15,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:46:15,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:46:15,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:46:15,893 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:46:15,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:46:15,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:46:15,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:46:15,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:46:15,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:46:15,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:46:15,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:46:15,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:46:15,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:46:15,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:46:15,895 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:46:15,895 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:46:15,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:46:15,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:46:15,895 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d298fcfbeb680c2e33b414d76b7ec7ff33b14c51df8a5be440e59b165e3c2df1 [2021-12-06 20:46:16,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:46:16,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:46:16,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:46:16,090 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:46:16,090 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:46:16,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i [2021-12-06 20:46:16,137 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/data/806cfa5c4/206cde2a1ae94ab2adb2bdff5fd4be76/FLAGa2c3e23c6 [2021-12-06 20:46:16,790 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:46:16,791 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i [2021-12-06 20:46:16,821 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/data/806cfa5c4/206cde2a1ae94ab2adb2bdff5fd4be76/FLAGa2c3e23c6 [2021-12-06 20:46:17,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/data/806cfa5c4/206cde2a1ae94ab2adb2bdff5fd4be76 [2021-12-06 20:46:17,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:46:17,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:46:17,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:46:17,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:46:17,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:46:17,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:46:17" (1/1) ... [2021-12-06 20:46:17,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66fb76fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:17, skipping insertion in model container [2021-12-06 20:46:17,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:46:17" (1/1) ... [2021-12-06 20:46:17,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:46:17,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:46:19,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i[322979,322992] [2021-12-06 20:46:19,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:46:19,820 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:46:20,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i[322979,322992] [2021-12-06 20:46:20,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:46:20,273 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:46:20,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20 WrapperNode [2021-12-06 20:46:20,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:46:20,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:46:20,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:46:20,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:46:20,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20" (1/1) ... [2021-12-06 20:46:20,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20" (1/1) ... [2021-12-06 20:46:20,538 INFO L137 Inliner]: procedures = 464, calls = 3413, calls flagged for inlining = 185, calls inlined = 179, statements flattened = 9209 [2021-12-06 20:46:20,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:46:20,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:46:20,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:46:20,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:46:20,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20" (1/1) ... [2021-12-06 20:46:20,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20" (1/1) ... [2021-12-06 20:46:20,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20" (1/1) ... [2021-12-06 20:46:20,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20" (1/1) ... [2021-12-06 20:46:20,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20" (1/1) ... [2021-12-06 20:46:20,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20" (1/1) ... [2021-12-06 20:46:20,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20" (1/1) ... [2021-12-06 20:46:20,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:46:20,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:46:20,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:46:20,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:46:20,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20" (1/1) ... [2021-12-06 20:46:20,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:46:20,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:46:20,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:46:20,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a75c54-548a-4ebd-b863-762a761f9e71/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:46:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_read_idac_data [2021-12-06 20:46:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_read_idac_data [2021-12-06 20:46:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_bl_activate [2021-12-06 20:46:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_bl_activate [2021-12-06 20:46:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_suspended [2021-12-06 20:46:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_suspended [2021-12-06 20:46:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 20:46:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 20:46:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_write_byte [2021-12-06 20:46:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_write_byte [2021-12-06 20:46:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_do_calibrate [2021-12-06 20:46:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_do_calibrate [2021-12-06 20:46:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 20:46:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 20:46:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_irq_handler [2021-12-06 20:46:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_irq_handler [2021-12-06 20:46:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_irq [2021-12-06 20:46:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_irq [2021-12-06 20:46:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_calibrate_store [2021-12-06 20:46:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_calibrate_store [2021-12-06 20:46:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-06 20:46:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-06 20:46:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_state_sync_lock_of_cyapa [2021-12-06 20:46:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_state_sync_lock_of_cyapa [2021-12-06 20:46:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_irq_handler [2021-12-06 20:46:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_irq_handler [2021-12-06 20:46:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:46:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:46:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync_autosuspend [2021-12-06 20:46:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync_autosuspend [2021-12-06 20:46:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_reinitialize [2021-12-06 20:46:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_reinitialize [2021-12-06 20:46:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_product_id [2021-12-06 20:46:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_product_id [2021-12-06 20:46:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2021-12-06 20:46:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2021-12-06 20:46:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_mode [2021-12-06 20:46:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_mode [2021-12-06 20:46:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-12-06 20:46:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-12-06 20:46:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_create_input_dev [2021-12-06 20:46:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_create_input_dev [2021-12-06 20:46:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 20:46:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_irq_cmd_handler [2021-12-06 20:46:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_irq_cmd_handler [2021-12-06 20:46:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_baseline [2021-12-06 20:46:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_baseline [2021-12-06 20:46:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:46:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_initialize [2021-12-06 20:46:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_initialize [2021-12-06 20:46:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_i2c_reg_read_block [2021-12-06 20:46:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_i2c_reg_read_block [2021-12-06 20:46:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_pwr_cmd_to_sleep_time [2021-12-06 20:46:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_pwr_cmd_to_sleep_time [2021-12-06 20:46:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_runtime_suspend [2021-12-06 20:46:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_runtime_suspend [2021-12-06 20:46:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_sync_frame [2021-12-06 20:46:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_sync_frame [2021-12-06 20:46:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_report_slot_state [2021-12-06 20:46:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_report_slot_state [2021-12-06 20:46:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_probe [2021-12-06 20:46:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_probe [2021-12-06 20:46:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_res [2021-12-06 20:46:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_res [2021-12-06 20:46:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2021-12-06 20:46:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2021-12-06 20:46:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-12-06 20:46:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-12-06 20:46:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 20:46:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_state_sync_lock_of_cyapa [2021-12-06 20:46:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_state_sync_lock_of_cyapa [2021-12-06 20:46:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_update_fw_store [2021-12-06 20:46:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_update_fw_store [2021-12-06 20:46:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-06 20:46:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-06 20:46:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_check_fw [2021-12-06 20:46:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_check_fw [2021-12-06 20:46:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 20:46:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_i2c_reg_write_block [2021-12-06 20:46:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_i2c_reg_write_block [2021-12-06 20:46:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:46:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-12-06 20:46:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-12-06 20:46:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~~bool~0 [2021-12-06 20:46:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~~bool~0 [2021-12-06 20:46:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 20:46:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 20:46:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_suspend_scanning [2021-12-06 20:46:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_suspend_scanning [2021-12-06 20:46:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-06 20:46:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-06 20:46:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_sleep_time_to_pwr_cmd [2021-12-06 20:46:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_sleep_time_to_pwr_cmd [2021-12-06 20:46:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_rt_suspend_scanrate [2021-12-06 20:46:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_rt_suspend_scanrate [2021-12-06 20:46:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_set_power_mode [2021-12-06 20:46:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_set_power_mode [2021-12-06 20:46:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_fm_ver [2021-12-06 20:46:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_fm_ver [2021-12-06 20:46:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_update_suspend_scanrate [2021-12-06 20:46:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_update_suspend_scanrate [2021-12-06 20:46:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_calibrate_pwcs [2021-12-06 20:46:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_calibrate_pwcs [2021-12-06 20:46:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_bl_initiate [2021-12-06 20:46:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_bl_initiate [2021-12-06 20:46:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-06 20:46:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-06 20:46:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_irq_cmd_handler [2021-12-06 20:46:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_irq_cmd_handler [2021-12-06 20:46:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:46:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:46:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:46:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-06 20:46:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-06 20:46:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_do_fw_update [2021-12-06 20:46:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_do_fw_update [2021-12-06 20:46:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:46:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2021-12-06 20:46:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2021-12-06 20:46:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 20:46:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 20:46:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_show_suspend_scanrate [2021-12-06 20:46:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_show_suspend_scanrate [2021-12-06 20:46:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:46:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:46:20,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:46:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_bl_enter [2021-12-06 20:46:20,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_bl_enter [2021-12-06 20:46:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_read_block [2021-12-06 20:46:20,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_read_block [2021-12-06 20:46:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_read_panel_scan_raw_data [2021-12-06 20:46:20,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_read_panel_scan_raw_data [2021-12-06 20:46:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_deep_sleep [2021-12-06 20:46:20,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_deep_sleep [2021-12-06 20:46:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_read_byte [2021-12-06 20:46:20,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_read_byte [2021-12-06 20:46:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_change_power_state [2021-12-06 20:46:20,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_change_power_state [2021-12-06 20:46:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_do_operational_check [2021-12-06 20:46:20,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_do_operational_check [2021-12-06 20:46:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_bl_activate [2021-12-06 20:46:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_bl_activate [2021-12-06 20:46:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:46:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:46:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_do_operational_check [2021-12-06 20:46:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_do_operational_check [2021-12-06 20:46:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-06 20:46:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 20:46:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 20:46:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_open [2021-12-06 20:46:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_open [2021-12-06 20:46:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure crc_itu_t [2021-12-06 20:46:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_itu_t [2021-12-06 20:46:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 20:46:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:46:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 20:46:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 20:46:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-06 20:46:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-06 20:46:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_state_parse [2021-12-06 20:46:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_state_parse [2021-12-06 20:46:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_state_parse [2021-12-06 20:46:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_state_parse [2021-12-06 20:46:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-06 20:46:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-06 20:46:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-06 20:46:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-06 20:46:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 20:46:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 20:46:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 20:46:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 20:46:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_suspend [2021-12-06 20:46:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_suspend [2021-12-06 20:46:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-06 20:46:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-06 20:46:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 20:46:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 20:46:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 20:46:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 20:46:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_merge_group [2021-12-06 20:46:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_merge_group [2021-12-06 20:46:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-06 20:46:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-06 20:46:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_poll_state [2021-12-06 20:46:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_poll_state [2021-12-06 20:46:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 20:46:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 20:46:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-12-06 20:46:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-12-06 20:46:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_resume [2021-12-06 20:46:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_resume [2021-12-06 20:46:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-06 20:46:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-06 20:46:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_enable_irq_for_cmd [2021-12-06 20:46:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_enable_irq_for_cmd [2021-12-06 20:46:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-06 20:46:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-06 20:46:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure devm_add_action [2021-12-06 20:46:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_add_action [2021-12-06 20:46:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_state_sync_lock_of_cyapa [2021-12-06 20:46:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_state_sync_lock_of_cyapa [2021-12-06 20:46:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_slot [2021-12-06 20:46:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_slot [2021-12-06 20:46:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:46:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:46:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 20:46:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 20:46:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_i2c_pip_read [2021-12-06 20:46:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_i2c_pip_read [2021-12-06 20:46:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-06 20:46:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-06 20:46:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-06 20:46:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-06 20:46:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-06 20:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-06 20:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_empty_pip_output_data [2021-12-06 20:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_empty_pip_output_data [2021-12-06 20:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2021-12-06 20:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2021-12-06 20:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_bl_enter [2021-12-06 20:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_bl_enter [2021-12-06 20:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_update_rt_suspend_scanrate [2021-12-06 20:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_update_rt_suspend_scanrate [2021-12-06 20:46:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_i2c_pip_write [2021-12-06 20:46:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_i2c_pip_write [2021-12-06 20:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 20:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-06 20:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-06 20:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-06 20:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_set_power_mode [2021-12-06 20:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_set_power_mode [2021-12-06 20:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 20:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 20:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou16 [2021-12-06 20:46:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou16 [2021-12-06 20:46:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_initialize [2021-12-06 20:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_initialize [2021-12-06 20:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~TO~int [2021-12-06 20:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~TO~int [2021-12-06 20:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2021-12-06 20:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2021-12-06 20:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_do_fw_update [2021-12-06 20:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_do_fw_update [2021-12-06 20:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2021-12-06 20:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2021-12-06 20:46:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_write_blocks [2021-12-06 20:46:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_write_blocks [2021-12-06 20:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_set_status [2021-12-06 20:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_set_status [2021-12-06 20:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-12-06 20:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-12-06 20:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_bl_initiate [2021-12-06 20:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_bl_initiate [2021-12-06 20:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_empty_output_data [2021-12-06 20:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_empty_output_data [2021-12-06 20:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-06 20:46:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-06 20:46:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_resume_scanning [2021-12-06 20:46:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_resume_scanning [2021-12-06 20:46:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-06 20:46:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-06 20:46:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enabled [2021-12-06 20:46:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enabled [2021-12-06 20:46:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:46:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_check_is_operational [2021-12-06 20:46:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_check_is_operational [2021-12-06 20:46:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-12-06 20:46:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-12-06 20:46:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2021-12-06 20:46:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2021-12-06 20:46:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 20:46:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 20:46:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_unmerge_group [2021-12-06 20:46:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_unmerge_group [2021-12-06 20:46:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_state_sync_lock_of_cyapa [2021-12-06 20:46:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_state_sync_lock_of_cyapa [2021-12-06 20:46:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-06 20:46:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-06 20:46:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-06 20:46:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-06 20:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_block_data [2021-12-06 20:46:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_block_data [2021-12-06 20:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_do_calibrate [2021-12-06 20:46:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_do_calibrate [2021-12-06 20:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 20:46:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 20:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_disable_irq_for_cmd [2021-12-06 20:46:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_disable_irq_for_cmd [2021-12-06 20:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-06 20:46:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-06 20:46:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2021-12-06 20:46:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2021-12-06 20:46:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_show_baseline [2021-12-06 20:46:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_show_baseline [2021-12-06 20:46:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-06 20:46:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-06 20:46:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-06 20:46:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-06 20:46:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-12-06 20:46:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-12-06 20:46:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-06 20:46:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-06 20:46:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-06 20:46:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-06 20:46:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_bl_deactivate [2021-12-06 20:46:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_bl_deactivate [2021-12-06 20:46:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_show_baseline [2021-12-06 20:46:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_show_baseline [2021-12-06 20:46:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_active [2021-12-06 20:46:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_active [2021-12-06 20:46:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_detect [2021-12-06 20:46:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_detect [2021-12-06 20:46:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:46:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:46:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_i2c_pip_cmd_irq_sync [2021-12-06 20:46:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_i2c_pip_cmd_irq_sync [2021-12-06 20:46:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2021-12-06 20:46:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2021-12-06 20:46:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen5_check_fw [2021-12-06 20:46:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen5_check_fw [2021-12-06 20:46:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:46:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_lock_of_cyapa_gen5_cmd_states [2021-12-06 20:46:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_lock_of_cyapa_gen5_cmd_states [2021-12-06 20:46:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_runtime_resume [2021-12-06 20:46:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_runtime_resume [2021-12-06 20:46:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_csum [2021-12-06 20:46:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_csum [2021-12-06 20:46:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_parse_structure_data [2021-12-06 20:46:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_parse_structure_data [2021-12-06 20:46:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure cyapa_gen3_bl_deactivate [2021-12-06 20:46:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cyapa_gen3_bl_deactivate [2021-12-06 20:46:21,593 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:46:21,597 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:46:22,337 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 20:46:39,103 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:46:39,127 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:46:39,128 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 20:46:39,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:46:39 BoogieIcfgContainer [2021-12-06 20:46:39,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:46:39,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:46:39,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:46:39,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:46:39,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:46:17" (1/3) ... [2021-12-06 20:46:39,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c81b09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:46:39, skipping insertion in model container [2021-12-06 20:46:39,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:20" (2/3) ... [2021-12-06 20:46:39,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c81b09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:46:39, skipping insertion in model container [2021-12-06 20:46:39,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:46:39" (3/3) ... [2021-12-06 20:46:39,140 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mouse--cyapatp.ko-entry_point.cil.out.i [2021-12-06 20:46:39,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:46:39,144 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:46:39,188 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:46:39,192 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:46:39,193 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:46:39,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 3172 states, 2341 states have (on average 1.4258863733447245) internal successors, (3338), 2391 states have internal predecessors, (3338), 673 states have call successors, (673), 157 states have call predecessors, (673), 156 states have return successors, (655), 655 states have call predecessors, (655), 655 states have call successors, (655) [2021-12-06 20:46:39,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-06 20:46:39,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:39,268 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:46:39,268 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:39,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:39,272 INFO L85 PathProgramCache]: Analyzing trace with hash 2079101709, now seen corresponding path program 1 times [2021-12-06 20:46:39,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:39,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025179614] [2021-12-06 20:46:39,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:39,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:46:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:39,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:46:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:46:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:39,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 20:46:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:39,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:46:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:46:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:46:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 20:46:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 20:46:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 20:46:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 20:46:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:46:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:46:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 20:46:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 20:46:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 20:46:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:46:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 20:46:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 20:46:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:46:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:46:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:46:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:46:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 20:46:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 20:46:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:40,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2021-12-06 20:46:40,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:40,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025179614] [2021-12-06 20:46:40,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025179614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:40,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:40,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:46:40,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94885593] [2021-12-06 20:46:40,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:40,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:46:40,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:40,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:46:40,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:46:40,520 INFO L87 Difference]: Start difference. First operand has 3172 states, 2341 states have (on average 1.4258863733447245) internal successors, (3338), 2391 states have internal predecessors, (3338), 673 states have call successors, (673), 157 states have call predecessors, (673), 156 states have return successors, (655), 655 states have call predecessors, (655), 655 states have call successors, (655) Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:46:43,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:54,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:54,269 INFO L93 Difference]: Finished difference Result 6974 states and 10739 transitions. [2021-12-06 20:46:54,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:46:54,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 279 [2021-12-06 20:46:54,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:54,310 INFO L225 Difference]: With dead ends: 6974 [2021-12-06 20:46:54,310 INFO L226 Difference]: Without dead ends: 3782 [2021-12-06 20:46:54,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:46:54,337 INFO L933 BasicCegarLoop]: 4306 mSDtfsCounter, 2877 mSDsluCounter, 3902 mSDsCounter, 0 mSdLazyCounter, 2399 mSolverCounterSat, 2000 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3017 SdHoareTripleChecker+Valid, 8208 SdHoareTripleChecker+Invalid, 4400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2000 IncrementalHoareTripleChecker+Valid, 2399 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:54,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3017 Valid, 8208 Invalid, 4400 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2000 Valid, 2399 Invalid, 1 Unknown, 0 Unchecked, 13.4s Time] [2021-12-06 20:46:54,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3782 states. [2021-12-06 20:46:54,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3782 to 3147. [2021-12-06 20:46:54,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3147 states, 2336 states have (on average 1.417808219178082) internal successors, (3312), 2366 states have internal predecessors, (3312), 655 states have call successors, (655), 156 states have call predecessors, (655), 155 states have return successors, (644), 644 states have call predecessors, (644), 644 states have call successors, (644) [2021-12-06 20:46:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 3147 states and 4611 transitions. [2021-12-06 20:46:54,611 INFO L78 Accepts]: Start accepts. Automaton has 3147 states and 4611 transitions. Word has length 279 [2021-12-06 20:46:54,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:54,612 INFO L470 AbstractCegarLoop]: Abstraction has 3147 states and 4611 transitions. [2021-12-06 20:46:54,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:46:54,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3147 states and 4611 transitions. [2021-12-06 20:46:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-06 20:46:54,620 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:54,620 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:46:54,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:46:54,620 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:54,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:54,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1451065295, now seen corresponding path program 1 times [2021-12-06 20:46:54,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:54,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198903494] [2021-12-06 20:46:54,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:54,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:46:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:46:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:46:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 20:46:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:46:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:46:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:46:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 20:46:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 20:46:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 20:46:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 20:46:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:46:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:46:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 20:46:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 20:46:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 20:46:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:46:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 20:46:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 20:46:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:46:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:46:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:46:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:46:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:46:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-06 20:46:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 20:46:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:55,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2021-12-06 20:46:55,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:55,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198903494] [2021-12-06 20:46:55,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198903494] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:55,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:55,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:46:55,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091316165] [2021-12-06 20:46:55,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:55,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:46:55,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:55,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:46:55,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:46:55,453 INFO L87 Difference]: Start difference. First operand 3147 states and 4611 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:46:58,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:47:07,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:47:17,276 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 [] [2021-12-06 20:47:19,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:19,708 INFO L93 Difference]: Finished difference Result 10567 states and 15891 transitions. [2021-12-06 20:47:19,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:47:19,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 279 [2021-12-06 20:47:19,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:19,756 INFO L225 Difference]: With dead ends: 10567 [2021-12-06 20:47:19,756 INFO L226 Difference]: Without dead ends: 7474 [2021-12-06 20:47:19,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:47:19,768 INFO L933 BasicCegarLoop]: 4643 mSDtfsCounter, 9912 mSDsluCounter, 7551 mSDsCounter, 0 mSdLazyCounter, 4976 mSolverCounterSat, 4772 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10476 SdHoareTripleChecker+Valid, 12194 SdHoareTripleChecker+Invalid, 9750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4772 IncrementalHoareTripleChecker+Valid, 4976 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:19,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10476 Valid, 12194 Invalid, 9750 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4772 Valid, 4976 Invalid, 2 Unknown, 0 Unchecked, 23.7s Time] [2021-12-06 20:47:19,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7474 states. [2021-12-06 20:47:19,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7474 to 6180. [2021-12-06 20:47:19,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6180 states, 4607 states have (on average 1.4208812676362057) internal successors, (6546), 4658 states have internal predecessors, (6546), 1264 states have call successors, (1264), 309 states have call predecessors, (1264), 308 states have return successors, (1253), 1252 states have call predecessors, (1253), 1253 states have call successors, (1253) [2021-12-06 20:47:20,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6180 states to 6180 states and 9063 transitions. [2021-12-06 20:47:20,009 INFO L78 Accepts]: Start accepts. Automaton has 6180 states and 9063 transitions. Word has length 279 [2021-12-06 20:47:20,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:20,010 INFO L470 AbstractCegarLoop]: Abstraction has 6180 states and 9063 transitions. [2021-12-06 20:47:20,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:47:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand 6180 states and 9063 transitions. [2021-12-06 20:47:20,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-06 20:47:20,014 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:20,014 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:47:20,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:47:20,014 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:20,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:20,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1878577790, now seen corresponding path program 1 times [2021-12-06 20:47:20,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:20,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307919437] [2021-12-06 20:47:20,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:20,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:47:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:47:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:47:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 20:47:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:47:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:47:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:47:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 20:47:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 20:47:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 20:47:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 20:47:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:47:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:47:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 20:47:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 20:47:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 20:47:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:47:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 20:47:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 20:47:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:47:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:47:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:47:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:47:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-06 20:47:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2021-12-06 20:47:20,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:20,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307919437] [2021-12-06 20:47:20,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307919437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:47:20,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:47:20,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:47:20,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814999557] [2021-12-06 20:47:20,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:20,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:47:20,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:20,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:47:20,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:47:20,713 INFO L87 Difference]: Start difference. First operand 6180 states and 9063 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:47:23,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:47:25,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:47:34,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:47:43,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:47:46,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:46,168 INFO L93 Difference]: Finished difference Result 20748 states and 31158 transitions. [2021-12-06 20:47:46,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:47:46,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 281 [2021-12-06 20:47:46,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:46,258 INFO L225 Difference]: With dead ends: 20748 [2021-12-06 20:47:46,258 INFO L226 Difference]: Without dead ends: 14622 [2021-12-06 20:47:46,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:47:46,285 INFO L933 BasicCegarLoop]: 4684 mSDtfsCounter, 9680 mSDsluCounter, 7534 mSDsCounter, 0 mSdLazyCounter, 5025 mSolverCounterSat, 4719 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10240 SdHoareTripleChecker+Valid, 12218 SdHoareTripleChecker+Invalid, 9746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4719 IncrementalHoareTripleChecker+Valid, 5025 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:46,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10240 Valid, 12218 Invalid, 9746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4719 Valid, 5025 Invalid, 2 Unknown, 0 Unchecked, 24.9s Time] [2021-12-06 20:47:46,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14622 states. [2021-12-06 20:47:46,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14622 to 12058. [2021-12-06 20:47:46,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12058 states, 8976 states have (on average 1.4162210338680927) internal successors, (12712), 9069 states have internal predecessors, (12712), 2467 states have call successors, (2467), 615 states have call predecessors, (2467), 614 states have return successors, (2456), 2453 states have call predecessors, (2456), 2456 states have call successors, (2456) [2021-12-06 20:47:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12058 states to 12058 states and 17635 transitions. [2021-12-06 20:47:46,775 INFO L78 Accepts]: Start accepts. Automaton has 12058 states and 17635 transitions. Word has length 281 [2021-12-06 20:47:46,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:46,776 INFO L470 AbstractCegarLoop]: Abstraction has 12058 states and 17635 transitions. [2021-12-06 20:47:46,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:47:46,776 INFO L276 IsEmpty]: Start isEmpty. Operand 12058 states and 17635 transitions. [2021-12-06 20:47:46,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-06 20:47:46,779 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:46,780 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:47:46,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:47:46,780 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:46,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:46,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1617183297, now seen corresponding path program 1 times [2021-12-06 20:47:46,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:46,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279704977] [2021-12-06 20:47:46,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:46,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:47:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:47:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:47:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 20:47:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:47:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:47:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:47:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 20:47:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 20:47:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 20:47:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 20:47:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:47:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:47:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 20:47:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 20:47:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 20:47:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:47:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 20:47:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 20:47:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:47:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:47:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:47:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:47:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:47:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-06 20:47:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-06 20:47:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:47,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2021-12-06 20:47:47,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:47,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279704977] [2021-12-06 20:47:47,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279704977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:47:47,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:47:47,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:47:47,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172058039] [2021-12-06 20:47:47,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:47,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:47:47,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:47,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:47:47,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:47:47,386 INFO L87 Difference]: Start difference. First operand 12058 states and 17635 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:47:49,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:47:59,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:05,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:11,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:14,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:48:14,046 INFO L93 Difference]: Finished difference Result 41062 states and 61636 transitions. [2021-12-06 20:48:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:48:14,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 281 [2021-12-06 20:48:14,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:48:14,150 INFO L225 Difference]: With dead ends: 41062 [2021-12-06 20:48:14,150 INFO L226 Difference]: Without dead ends: 29058 [2021-12-06 20:48:14,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:48:14,187 INFO L933 BasicCegarLoop]: 4863 mSDtfsCounter, 9830 mSDsluCounter, 7886 mSDsCounter, 0 mSdLazyCounter, 4992 mSolverCounterSat, 4716 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10388 SdHoareTripleChecker+Valid, 12749 SdHoareTripleChecker+Invalid, 9711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4716 IncrementalHoareTripleChecker+Valid, 4992 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:48:14,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10388 Valid, 12749 Invalid, 9711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4716 Valid, 4992 Invalid, 3 Unknown, 0 Unchecked, 25.8s Time] [2021-12-06 20:48:14,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29058 states. [2021-12-06 20:48:14,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29058 to 23948. [2021-12-06 20:48:14,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23948 states, 17852 states have (on average 1.4173201882142057) internal successors, (25302), 18029 states have internal predecessors, (25302), 4869 states have call successors, (4869), 1227 states have call predecessors, (4869), 1226 states have return successors, (4858), 4851 states have call predecessors, (4858), 4858 states have call successors, (4858) [2021-12-06 20:48:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23948 states to 23948 states and 35029 transitions. [2021-12-06 20:48:14,984 INFO L78 Accepts]: Start accepts. Automaton has 23948 states and 35029 transitions. Word has length 281 [2021-12-06 20:48:14,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:48:14,985 INFO L470 AbstractCegarLoop]: Abstraction has 23948 states and 35029 transitions. [2021-12-06 20:48:14,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:48:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 23948 states and 35029 transitions. [2021-12-06 20:48:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-06 20:48:14,991 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:48:14,991 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:48:14,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 20:48:14,991 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:48:14,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:48:14,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1765423402, now seen corresponding path program 1 times [2021-12-06 20:48:14,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:48:14,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934448223] [2021-12-06 20:48:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:48:14,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:48:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:48:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:48:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:48:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 20:48:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:48:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:48:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:48:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 20:48:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 20:48:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 20:48:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 20:48:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:48:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:48:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 20:48:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 20:48:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 20:48:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:48:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 20:48:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 20:48:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:48:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:48:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:48:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:48:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:15,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2021-12-06 20:48:15,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:48:15,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934448223] [2021-12-06 20:48:15,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934448223] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:48:15,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:48:15,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:48:15,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506575588] [2021-12-06 20:48:15,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:48:15,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:48:15,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:48:15,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:48:15,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:48:15,715 INFO L87 Difference]: Start difference. First operand 23948 states and 35029 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-06 20:48:18,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:28,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:37,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:40,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:48:40,615 INFO L93 Difference]: Finished difference Result 81648 states and 122591 transitions. [2021-12-06 20:48:40,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:48:40,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 278 [2021-12-06 20:48:40,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:48:40,898 INFO L225 Difference]: With dead ends: 81648 [2021-12-06 20:48:40,898 INFO L226 Difference]: Without dead ends: 57754 [2021-12-06 20:48:40,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:48:40,977 INFO L933 BasicCegarLoop]: 4869 mSDtfsCounter, 9692 mSDsluCounter, 7944 mSDsCounter, 0 mSdLazyCounter, 5007 mSolverCounterSat, 4683 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10233 SdHoareTripleChecker+Valid, 12813 SdHoareTripleChecker+Invalid, 9692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4683 IncrementalHoareTripleChecker+Valid, 5007 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:48:40,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10233 Valid, 12813 Invalid, 9692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4683 Valid, 5007 Invalid, 2 Unknown, 0 Unchecked, 23.4s Time] [2021-12-06 20:48:41,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57754 states. [2021-12-06 20:48:42,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57754 to 47585. [2021-12-06 20:48:42,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47585 states, 35521 states have (on average 1.418090706905774) internal successors, (50372), 35858 states have internal predecessors, (50372), 9613 states have call successors, (9613), 2451 states have call predecessors, (9613), 2450 states have return successors, (9602), 9595 states have call predecessors, (9602), 9602 states have call successors, (9602) [2021-12-06 20:48:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47585 states to 47585 states and 69587 transitions. [2021-12-06 20:48:42,549 INFO L78 Accepts]: Start accepts. Automaton has 47585 states and 69587 transitions. Word has length 278 [2021-12-06 20:48:42,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:48:42,550 INFO L470 AbstractCegarLoop]: Abstraction has 47585 states and 69587 transitions. [2021-12-06 20:48:42,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-06 20:48:42,550 INFO L276 IsEmpty]: Start isEmpty. Operand 47585 states and 69587 transitions. [2021-12-06 20:48:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-06 20:48:42,551 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:48:42,552 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:48:42,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:48:42,552 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:48:42,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:48:42,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1444790566, now seen corresponding path program 1 times [2021-12-06 20:48:42,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:48:42,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826141126] [2021-12-06 20:48:42,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:48:42,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:48:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:48:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:48:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:48:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 20:48:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:48:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:48:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:48:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 20:48:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 20:48:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:42,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 20:48:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 20:48:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:48:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:48:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 20:48:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 20:48:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 20:48:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:48:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 20:48:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 20:48:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:48:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:48:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:48:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:48:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:48:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:48:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-06 20:48:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:48:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2021-12-06 20:48:43,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:48:43,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826141126] [2021-12-06 20:48:43,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826141126] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:48:43,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:48:43,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:48:43,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516028068] [2021-12-06 20:48:43,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:48:43,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:48:43,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:48:43,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:48:43,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:48:43,239 INFO L87 Difference]: Start difference. First operand 47585 states and 69587 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:48:46,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:48,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:49:04,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:49:07,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:49:10,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:49:10,206 INFO L93 Difference]: Finished difference Result 161093 states and 241687 transitions. [2021-12-06 20:49:10,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:49:10,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 282 [2021-12-06 20:49:10,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:49:10,715 INFO L225 Difference]: With dead ends: 161093 [2021-12-06 20:49:10,716 INFO L226 Difference]: Without dead ends: 113562 [2021-12-06 20:49:10,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:49:10,859 INFO L933 BasicCegarLoop]: 4863 mSDtfsCounter, 9740 mSDsluCounter, 7921 mSDsCounter, 0 mSdLazyCounter, 4933 mSolverCounterSat, 4601 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10305 SdHoareTripleChecker+Valid, 12784 SdHoareTripleChecker+Invalid, 9537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4601 IncrementalHoareTripleChecker+Valid, 4933 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:49:10,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10305 Valid, 12784 Invalid, 9537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4601 Valid, 4933 Invalid, 3 Unknown, 0 Unchecked, 24.1s Time] [2021-12-06 20:49:10,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113562 states. [2021-12-06 20:49:13,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113562 to 93885. [2021-12-06 20:49:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93885 states, 70211 states have (on average 1.4192078164390196) internal successors, (99644), 70860 states have internal predecessors, (99644), 18822 states have call successors, (18822), 4852 states have call predecessors, (18822), 4851 states have return successors, (18811), 18796 states have call predecessors, (18811), 18811 states have call successors, (18811) [2021-12-06 20:49:14,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93885 states to 93885 states and 137277 transitions. [2021-12-06 20:49:14,037 INFO L78 Accepts]: Start accepts. Automaton has 93885 states and 137277 transitions. Word has length 282 [2021-12-06 20:49:14,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:49:14,038 INFO L470 AbstractCegarLoop]: Abstraction has 93885 states and 137277 transitions. [2021-12-06 20:49:14,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:49:14,038 INFO L276 IsEmpty]: Start isEmpty. Operand 93885 states and 137277 transitions. [2021-12-06 20:49:14,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-12-06 20:49:14,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:49:14,041 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:49:14,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:49:14,041 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:49:14,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:49:14,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1256696810, now seen corresponding path program 1 times [2021-12-06 20:49:14,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:49:14,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237522971] [2021-12-06 20:49:14,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:49:14,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:49:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:49:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:49:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:49:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 20:49:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:49:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:49:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:49:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 20:49:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 20:49:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 20:49:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 20:49:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:49:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:49:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 20:49:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 20:49:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 20:49:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:49:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 20:49:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 20:49:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:49:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:49:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:49:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:49:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-06 20:49:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-06 20:49:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2021-12-06 20:49:14,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:49:14,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237522971] [2021-12-06 20:49:14,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237522971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:49:14,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:49:14,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:49:14,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058169506] [2021-12-06 20:49:14,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:49:14,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:49:14,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:49:14,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:49:14,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:49:14,679 INFO L87 Difference]: Start difference. First operand 93885 states and 137277 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:49:17,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:49:19,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:49:26,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:49:39,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:49:46,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:49:46,032 INFO L93 Difference]: Finished difference Result 320339 states and 480651 transitions. [2021-12-06 20:49:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:49:46,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 283 [2021-12-06 20:49:46,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:49:47,150 INFO L225 Difference]: With dead ends: 320339 [2021-12-06 20:49:47,150 INFO L226 Difference]: Without dead ends: 226508 [2021-12-06 20:49:47,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:49:47,437 INFO L933 BasicCegarLoop]: 4981 mSDtfsCounter, 9662 mSDsluCounter, 7962 mSDsCounter, 0 mSdLazyCounter, 4983 mSolverCounterSat, 4621 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10230 SdHoareTripleChecker+Valid, 12943 SdHoareTripleChecker+Invalid, 9607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4621 IncrementalHoareTripleChecker+Valid, 4983 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:49:47,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10230 Valid, 12943 Invalid, 9607 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4621 Valid, 4983 Invalid, 3 Unknown, 0 Unchecked, 25.5s Time] [2021-12-06 20:49:47,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226508 states. [2021-12-06 20:49:52,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226508 to 187181. [2021-12-06 20:49:52,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187181 states, 140035 states have (on average 1.419445138715321) internal successors, (198772), 141324 states have internal predecessors, (198772), 37462 states have call successors, (37462), 9684 states have call predecessors, (37462), 9683 states have return successors, (37451), 37420 states have call predecessors, (37451), 37451 states have call successors, (37451) [2021-12-06 20:49:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187181 states to 187181 states and 273685 transitions. [2021-12-06 20:49:53,872 INFO L78 Accepts]: Start accepts. Automaton has 187181 states and 273685 transitions. Word has length 283 [2021-12-06 20:49:53,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:49:53,873 INFO L470 AbstractCegarLoop]: Abstraction has 187181 states and 273685 transitions. [2021-12-06 20:49:53,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:49:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 187181 states and 273685 transitions. [2021-12-06 20:49:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-06 20:49:53,877 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:49:53,877 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:49:53,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 20:49:53,877 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:49:53,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:49:53,878 INFO L85 PathProgramCache]: Analyzing trace with hash -709223581, now seen corresponding path program 1 times [2021-12-06 20:49:53,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:49:53,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440800971] [2021-12-06 20:49:53,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:49:53,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:49:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:49:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:49:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:49:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 20:49:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:49:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:49:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:49:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 20:49:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 20:49:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 20:49:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 20:49:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:49:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:49:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 20:49:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 20:49:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 20:49:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:49:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 20:49:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 20:49:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:49:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:49:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:49:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:49:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:49:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2021-12-06 20:49:54,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:49:54,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440800971] [2021-12-06 20:49:54,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440800971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:49:54,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:49:54,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:49:54,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898912056] [2021-12-06 20:49:54,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:49:54,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:49:54,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:49:54,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:49:54,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:49:54,567 INFO L87 Difference]: Start difference. First operand 187181 states and 273685 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 20:49:57,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:50:10,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:50:13,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:50:35,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:50:35,223 INFO L93 Difference]: Finished difference Result 639121 states and 1000412 transitions. [2021-12-06 20:50:35,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:50:35,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 281 [2021-12-06 20:50:35,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:50:37,679 INFO L225 Difference]: With dead ends: 639121 [2021-12-06 20:50:37,679 INFO L226 Difference]: Without dead ends: 451994 [2021-12-06 20:50:38,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:50:38,591 INFO L933 BasicCegarLoop]: 5365 mSDtfsCounter, 9760 mSDsluCounter, 8482 mSDsCounter, 0 mSdLazyCounter, 5239 mSolverCounterSat, 4696 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10187 SdHoareTripleChecker+Valid, 13847 SdHoareTripleChecker+Invalid, 9937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4696 IncrementalHoareTripleChecker+Valid, 5239 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:50:38,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10187 Valid, 13847 Invalid, 9937 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4696 Valid, 5239 Invalid, 2 Unknown, 0 Unchecked, 27.4s Time] [2021-12-06 20:50:38,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451994 states. [2021-12-06 20:50:51,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451994 to 414112. [2021-12-06 20:50:52,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414112 states, 308912 states have (on average 1.4057660434039467) internal successors, (434258), 312373 states have internal predecessors, (434258), 80330 states have call successors, (80330), 19303 states have call predecessors, (80330), 24869 states have return successors, (117566), 85059 states have call predecessors, (117566), 80318 states have call successors, (117566) [2021-12-06 20:50:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414112 states to 414112 states and 632154 transitions. [2021-12-06 20:50:55,534 INFO L78 Accepts]: Start accepts. Automaton has 414112 states and 632154 transitions. Word has length 281 [2021-12-06 20:50:55,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:50:55,535 INFO L470 AbstractCegarLoop]: Abstraction has 414112 states and 632154 transitions. [2021-12-06 20:50:55,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 20:50:55,535 INFO L276 IsEmpty]: Start isEmpty. Operand 414112 states and 632154 transitions. [2021-12-06 20:50:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-06 20:50:55,538 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:50:55,539 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:50:55,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 20:50:55,539 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:50:55,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:50:55,539 INFO L85 PathProgramCache]: Analyzing trace with hash 261564066, now seen corresponding path program 1 times [2021-12-06 20:50:55,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:50:55,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161264961] [2021-12-06 20:50:55,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:50:55,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:50:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:50:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:50:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:50:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 20:50:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:50:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:50:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:50:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 20:50:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 20:50:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 20:50:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 20:50:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:50:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:50:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 20:50:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 20:50:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 20:50:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:50:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 20:50:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 20:50:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:50:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:50:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:50:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:50:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:50:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-06 20:50:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 20:50:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:50:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2021-12-06 20:50:56,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:50:56,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161264961] [2021-12-06 20:50:56,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161264961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:50:56,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:50:56,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:50:56,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566963997] [2021-12-06 20:50:56,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:50:56,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:50:56,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:50:56,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:50:56,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:50:56,121 INFO L87 Difference]: Start difference. First operand 414112 states and 632154 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:50:58,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:51:22,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:51:49,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:51:49,383 INFO L93 Difference]: Finished difference Result 1313060 states and 2036868 transitions. [2021-12-06 20:51:49,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:51:49,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 285 [2021-12-06 20:51:49,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:51:54,856 INFO L225 Difference]: With dead ends: 1313060 [2021-12-06 20:51:54,856 INFO L226 Difference]: Without dead ends: 899002 [2021-12-06 20:51:57,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:51:57,091 INFO L933 BasicCegarLoop]: 5000 mSDtfsCounter, 9723 mSDsluCounter, 7998 mSDsCounter, 0 mSdLazyCounter, 5005 mSolverCounterSat, 4662 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10283 SdHoareTripleChecker+Valid, 12998 SdHoareTripleChecker+Invalid, 9668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4662 IncrementalHoareTripleChecker+Valid, 5005 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-12-06 20:51:57,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10283 Valid, 12998 Invalid, 9668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4662 Valid, 5005 Invalid, 1 Unknown, 0 Unchecked, 23.9s Time] [2021-12-06 20:51:57,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899002 states. [2021-12-06 20:52:24,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899002 to 824976. [2021-12-06 20:52:24,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824976 states, 615480 states have (on average 1.405735361019042) internal successors, (865202), 622397 states have internal predecessors, (865202), 159822 states have call successors, (159822), 38539 states have call predecessors, (159822), 49673 states have return successors, (234178), 169287 states have call predecessors, (234178), 159810 states have call successors, (234178) [2021-12-06 20:52:32,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824976 states to 824976 states and 1259202 transitions. [2021-12-06 20:52:32,210 INFO L78 Accepts]: Start accepts. Automaton has 824976 states and 1259202 transitions. Word has length 285 [2021-12-06 20:52:32,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:52:32,211 INFO L470 AbstractCegarLoop]: Abstraction has 824976 states and 1259202 transitions. [2021-12-06 20:52:32,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 20:52:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 824976 states and 1259202 transitions. [2021-12-06 20:52:32,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-06 20:52:32,214 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:52:32,214 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:52:32,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 20:52:32,214 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:52:32,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:52:32,215 INFO L85 PathProgramCache]: Analyzing trace with hash -512285983, now seen corresponding path program 1 times [2021-12-06 20:52:32,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:52:32,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305559287] [2021-12-06 20:52:32,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:52:32,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:52:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:52:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:52:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:52:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 20:52:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:52:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 20:52:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 20:52:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 20:52:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 20:52:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-06 20:52:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 20:52:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 20:52:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 20:52:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 20:52:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 20:52:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-06 20:52:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:52:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 20:52:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 20:52:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:52:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:52:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:52:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:52:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:52:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:52:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2021-12-06 20:52:32,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:52:32,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305559287] [2021-12-06 20:52:32,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305559287] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:52:32,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:52:32,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:52:32,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855072742] [2021-12-06 20:52:32,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:52:32,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:52:32,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:52:32,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:52:32,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:52:32,872 INFO L87 Difference]: Start difference. First operand 824976 states and 1259202 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 20:52:35,794 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 [] [2021-12-06 20:52:49,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:53:15,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:53:15,093 INFO L93 Difference]: Finished difference Result 898836 states and 1404489 transitions. [2021-12-06 20:53:15,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:53:15,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 282 [2021-12-06 20:53:15,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:53:20,090 INFO L225 Difference]: With dead ends: 898836 [2021-12-06 20:53:20,090 INFO L226 Difference]: Without dead ends: 898833 [2021-12-06 20:53:20,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:53:20,539 INFO L933 BasicCegarLoop]: 4236 mSDtfsCounter, 7070 mSDsluCounter, 3855 mSDsCounter, 0 mSdLazyCounter, 2470 mSolverCounterSat, 2883 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7469 SdHoareTripleChecker+Valid, 8091 SdHoareTripleChecker+Invalid, 5354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2883 IncrementalHoareTripleChecker+Valid, 2470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:53:20,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7469 Valid, 8091 Invalid, 5354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2883 Valid, 2470 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2021-12-06 20:53:21,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898833 states. [2021-12-06 20:53:49,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898833 to 824975. [2021-12-06 20:53:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824975 states, 615480 states have (on average 1.405733736270878) internal successors, (865201), 622396 states have internal predecessors, (865201), 159821 states have call successors, (159821), 38539 states have call predecessors, (159821), 49673 states have return successors, (234178), 169287 states have call predecessors, (234178), 159810 states have call successors, (234178)